EN50041 EN50047
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ip 66, IEC 529 - ip 66, IEC 529
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Limit Enclosed Switches Global Limit Switches
Series
Limit/Enclosed
GENERAL INFORMATION series specifically designed world-wide applications supported Honeywell global resources sales after sales service. Over versions designed newest standard available include wide range EN50041 EN50047 type switches. Miniature EN50047 limit switches available metal double insulated enclosures metal enclosed 3-cable entry version (EN50047 mounting compatible) also offered. larger EN50041 switches include metal enclosed standard plug-in versions. Standard switch circuit variations include 4-circuit snap action versions with forced disconnect mechanism 2-circuit slow make break versions. Two-circuit bifurcated contact versions allow direct interface. Plug-in switch types feature 2-circuit snap action switch with forced disconnect. includes features make quick installation easier safer. Screwdriver guides, wire guides finger guard protection provided.
Customers will benefit from Honeywell's vast experience serving world industries over many years. minimize plant downtime reduced maintenance costs, series includes plug-in indicator switches with single twin LEDs. EN50041 products feature modular constructions. Head, body basic switch components available separately replacement parts. allows user maintenance inventories costs contained. Most versions interchangeable with almost other makes EN50041/47 switches. TYPICAL APPLICATIONS Machine tools: metal fabrication equipment, presses, transfer lines special machinery Material handling equipment: conveyors, elevators, cranes hoists Packaging machinery process equipment Textile machinery Construction machinery equipment, vehicles lift trucks
FEATURES Designed standard world-wide applications EN50041 metal standard plug-in versions EN50047 metal double insulated versions EN50047 mounting compatible, 3-cable entry metal versions CSA, Sealing 67/NEMA International conduit sizes Snap action slow action mechanism with forced disconnect Direct interface compatible (two circuit) Galvanically isolated contacts (two circuit) Modular construction reduces maintenance parts costs Design ease installation Five basic switch versions Wide choice actuators
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Limit Enclosed Switches Standards/How read understand chart information
Standards
947-1 explains general rules relating Low-voltage switchgear controlgear. purpose this standard harmonize much possible product performance test requirements equipment where rated voltage does exceed 1,000 1,500 VDC. 947-5-1 part general rules which relates Controlcircuit devices switching elements. Also within this part there section which considers Special Requirements Control Switches With Positive Opening Operation. control switch which this positive opening operation conforms these special requirements will marked outside product with this symbol:
read understand chart information
following example relates unit which snap action basic which roller plunger actuator i.e. GLCB01C. When reading these charts follow these rules: Check what type actuator used test product, this drawings which show head style available. will types: Vertical travel plunger Linear travel Start reading from left figure arrow labeled ``A''. Follow black arrows black strip chart. black strip indicates that there circuit between terminals whose numbers shown left when white there circuit. dimensions mm/(inches).
Contact Element Form defines configuration contacts number contacts within switch. e.g. Form both contact elements have same polarity. Form contact elements electrically separated. Utilization Category defines type current carried (AC) Alternating current, (DC) Direct current typical application which switch used e.g. AC15 Control Electromagnetic Loads (less than 72VA) DC13 Control electromagnets. contact rating Designation relates utilization categories defines conventional thermal current (A), rated operational current rated operational voltages rating e.g. A600 ``A'' denotes maximum rating (AC) ``600'' denotes maximum rated (AC) voltage. Q300 ``Q'' denotes maximum rating (DC) ``300'' denotes maximum rated (DC) voltage. These standards have been adopted CENELEC (The European Commitee Electrotechnical Standardization) have been identified replacing with e.g. 947-5-1 then becomes 60947-5-1. CENELEC defined dimensions characteristics types limit switch standards 50041 50047. These standards relate voltage switchgear controlgear industrial define enclosure dimensions, operating point various head actuators, earth terminal requirement, terminal marking minimum degree protection. ELECTRICAL RATINGS
IEC947-5-1 EN60947-5-1 Designation Rated operational current Utilization Category rated operational voltage AC15 AC15 AC15 AC14 DC13 DC13 A600 A300 B300 D300 Q300 R300 rating Break 7200 7200 3600
Figure
Figure Look Figures examples. Actuator type used test linear travel type shown left. start point arrow marked ``A'' (See fig. This shows free position from vertical center line unit. this stage there circuit between terminals 21-22 circuit between terminals 13-14. unit actuated until reaches operating position which 10.5 from center line travel distance 10.5 from free position. this point circuit arrangement changes circuit between 21-22 making circuit between 13-14. however, contacts terminals 21-22 weld together will separate, mechanical safety feature will take effect switch travelled past point from which positive opening assured, 13.9 switch returns reaches release position from center line. circuit will change back original state difference between operating position release position gives what known differential travel i.e. 10.5 asterisk indicates point from which positive opening assured.
120V 240V 380V 480V 500V 600V Make
125V 250V 0.55 0.27 0.22
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Limit Enclosed Switches Degree Protection
Classification
standard describes system classifying degree protection provided enclosures electrical equipment. level protection given enclosure indicated code. This code system uses letters ``IP'' (International Protection) followed four digits. Normally only first digits used.
NEMA Classification (USA)
Digit
Digit
Digit
Digit
NEMA (National Electrical Manufacturer's Association) prepares standards which define product, process procedure with reference more following: nomenclature, composition, construction, dimensions, tolerances, safety, operating characteristics, performance, quality, electrical rating, testing service which designed. This standard provides degrees protection Enclosures Electrical Equipement (1000 Volts Maximum) similar that standard. reference standard herein reflects latest data NEMA Standards Publication when this information went print.
first digit numerical indicates level protection within enclosure against ingress solid foreign objects access hazardous parts persons. second digit also numerical indicates level protection against ingress WATER into enclosure. third digit letter indicates higher level protection persons against access hazardous parts. fourth digit also letter used exceptional cases supplementary information. first second digit required specified, then replaced letter ``X'' (``XX'' both digits required). While tables below serve guide level protection, Honeywell recommends that customers refer full official specification exact definitions. doubt about degree protection required particular application, please consult your local Honeywell office. Note: standard does relate protection against rust, corrosion, icing corrosive solvents (e.g. cutting fluids) that product coded necessarily meet requirements. First Digit Protection against ingress solid objects
Non-hazardous locations
TEST protection protected against solid objects with diameter greater than protected against solid objects with diameter greater than protected against solid objects with diameter greater than protected against solid objects with diameter greater than protected against dust-limited ingress harmful deposit) totally protected against dust Protection against ingress water
Second Digit
Type enclosures intended indoor primarily provide degree protection against contact with enclosed equipment. Type enclosures intended outdoor primarily provide degree protection against windblown dust, rain, sleet, external formation. Type enclosures intended indoor outdoor primarily provide degree protection against windblown dust rain, splashing water, hose-directed water. Type enclosures intended indoor outdoor primarily provide degree protection against corrosion, windblown dust rain, splashing water, hose-directed water. Type enclosures intended indoor outdoor primarily provide degree protection against entry water during occasional temporary submersion limited depth. Type enclosures intended indoor outdoor primarily provide degree protection against entry water during prolonged submersion limited depth. Type enclosures intended indoor primarily provide degree protection against dust, falling dirt, dripping noncorrosive liquids. Type enclosures intended indoor primarily provide degree protection against dust, spraying water, noncorrosive coolant. Note: Enclosures based, general, broad definitions outlined NEMA Standards. Therefore, will necessary ascertain that particular enclosure will adequate when exposed specific conditions that might exist intended applications. Except might otherwise noted, references products relative NEMA enclosure type based Honeywell evaluation Underwriter's Laboratory (UL) tested. This NEMA Standards Publication does test environmental conditions such corrosion, rust, icing, oil, coolants. does not, does specify degree protection against mechanical damage equipment. this reason, because tests evaluations other characteristics identical, Enclosure Classification Designations cannot exactly equated with NEMA Enclosure Type Numbers.
Limit/Enclosed
TEST protection protected against vertically falling drops water. protected against vertically falling drops water when enclosure tilted angle degrees. protected against water sprayed angle degrees from vertical protected against splashing water from directions limited ingress harmful effects) protected against pressure jets water from directions limited ingress permitted protected against powerful jets water from directions limited ingress permitted protected against effects temporary immersion water protected against effects continuous immersion water
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Limit Enclosed Switches 50047 Metal standard
Technical Data Mechanical life Degree protection Temperature range million operations NEMA/UL type Operating: -25°C +85°C -13°F +185°F Storage: -40°C +85°C -40°F +185°F 947-5-1 EN60947-5-1 AC15 A300 DC13 Q300 conforming 68-2-6 conforming 68-2-27 Terminal marking 50013
Snap-Action Contacts
Circuit closed Positive opening 947-5-1-3 (F.P.) (O.P.) (R.P.) (D.T.) (O.T.)
Approvals
Vibration (Actuator fitted) Shock (Actuator fitted)
Conduit Thread
Ordering: adapter
13,5
Point from which positive opening assured.
Example:
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Limit Enclosed Switches
Slow-Action Contacts BREAK BEFORE MAKE Slow-Action Contacts MAKE BEFORE BREAK Actuator Types
(F.P.) (O.P.) (R.P.) (D.T.) (O.P.2) (O.T.)
(F.P.) (O.P.) (R.P.) (D.T.) (O.P.2) (O.T.)
Additional levers available (see page A24)
Limit/Enclosed
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Limit Enclosed Switches Additional Lever Types
dimensions mm/(inches). GLC, GLD, 50047)
with Side Rotary Head Style. Figure illustrates Miniature lever types conforming 50047 while Figure illustrates Standard lever types which conform 50041.
Side Rotary Roller Lever Plastic Roller Metal Roller
Side Rotary Adjustable Lever Plastic Roller Metal Roller
Side Rotary Adjustable Metal Head
Offset Side Rotary Roller Lever Plastic Roller Metal Roller Head GLA, GLB, GLF, GLH, GLG, 50041)
Side Rotary Conveyor Lever Ceramic Roller
Figure
Side Rotary Roller Lever Plastic Roller Metal Roller
Offset Side Rotary Roller Lever Plastic Roller Metal Roller
Side Rotary Adjustable Lever Plastic Roller Metal Roller Side Rotary Adjustable Metal Head Figure
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Limit Enclosed Switches Spare Parts Series
Example: part GLAB01E7B Wobble Head Basic Snap Action Thread PG13.5 50041 Body
order spare parts your particular simply number front switch identify construction used therefore spare part need. Example: part GLDC04A1B Fixed Side Rotary Steel Roller Make Before Break Slow Action Thread 50047 Body
From tables below possible obtain replacement Basic Switches, Heads, Actuators, Levers Assemblies. Note: Spare parts should only used replace parts existing listings. Honeywell accepts liability parts used combinations recognized Honeywell valid listings. Basic Switches Body Type GLZ301 GLZ303 GLZ304 GLZ3131 GLZ301 GLZ301 GLZ301 GLZ301 GLZ301 GLZ3021 GLZ303 GLZ303 GLZ303 GLZ303 GLZ304 GLZ304 GLZ304 GLZ304 GLZ3121 GLZ324 Basic Switch GLZ303 GLZ304 GLZ320
Limit/Enclosed
Note these spares will receive front body with head. replace faulty switch/LED assembly remove body head. Retrofit head onto replacement plug spare switch/LED assembly into base.
Heads Body Type GLZ1AA GLZ1AA GLZ1AA GLZ1AA GLZ1AA GLZ1AA Head GLZ1AB GLZ1AB GLZ1AB GLZ1AB GLZ1AB GLZ1AB Types GLZ1AC GLZ1AC GLZ1AC GLZ1AC GLZ1AC GLZ1AC GLZ1AD GLZ1AD GLZ1AD GLZ1AD GLZ1AD GLZ1AD
GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C
GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C
Levers Actuators (For GLZ1AA Head Type Only (side rotary)) Body Type GLZ51A GLZ51A GLZ51A GLZ51A GLZ51A GLZ51A Lever GLZ51B GLZ51B GLZ51B GLZ51B GLZ51B GLZ51B Actuator GLZ52A GLZ52A GLZ52A GLZ52A GLZ52A GLZ52A Type GLZ52B GLZ52B GLZ52B GLZ52B GLZ52B GLZ52B GLZ54J GLZ54J GLZ54J GLZ54J GLZ54J GLZ54J GLZ55B GLZ55B GLZ55B GLZ55B GLZ55B GLZ55B
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Limit Enclosed Switches
Assemblies
Body Type GLZ6H GLZ6F LED-Assembly 1-LED TYPE 2-LED
Parts Description
Heads GLZ1AA GLZ1AB GLZ1AC GLZ1AD GLZ1AE7A GLZ1AE7B GLZ1AE7D GLZ1AK8A GLZ1AK8B GLZ1AK8C GLZ301 GLZ302 GLZ303 GLZ304 GLZ312 GLZ313 GLZ320 GLZ324 GLZ51A GLZ51B GLZ52A GLZ52B GLZ54J GLZ55B GLZ6F GLZ6H Side Rotary Head Plunger Head Roller Plunger Head Roller Head Plastic Wobble Stick Head Assembly Coil Wobble Stick Head Assembly Coil Whisker Head Assembly 140mm Cat's Whisker Head Assembly 190mm Cat's Whisker Head Assembly Cat's Whisker Head Assembly Basics Snap Action SPDT (01) Snap Action SPDT Plug-In (02) Note page SPDT Break Before Make (03) SPDT Make Before Break (04) Snap Action SPDT Plug-In (12) Note page Snap Action SPDT Plug-In (13) Note page Snap Action DPDT (20) Snap Action DPDT Conduit (24) Actuators Side Rotary Fixed Lever Nylon Roller Actuator Side Rotary Fixed Lever Steel Roller Actuator Side Rotary Adjustable Lever Nylon Roller Actuator Side Rotary Adjustable Lever Steel Roller Actuator Side Rotary Adjustable Actuator Side Rotary Fixed Offset Lever Steel Roller Assemblies Spare Assembly GLF. Spare Assembly GLH.
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Limit Enclosed Switches Proper Application Limit Switches
following guidelines correct application Limit Switches. Never Limit Switch physical stop. Mechanical damage incorrect operation occur this done. Always ensure that mechanical actuator protected from excessive mechanical shock. Never release actuator suddenly gradual actuation release will ensure that stress mechanics switch kept minimum. This added benefit that switch life will improved. following diagrams illustrate actuate your limit switch optimum performance.
Tools following tools will needed depending task. Posidrive screwdriver Allen When tightening screw down maximum force which should applied should exceed 80N.cm (7in.LB) screw complete assembly basic switch terminal. Mounting Instructions Mounting, Installation Wiring Limit Switch plays critical role performance switch service. Care should taken position orientation switch optimum performance. guidelines given below apply equally when replacing parts switch. Wiring series been designed accept 14AWG wire maximum. Care should taken ensure that wires carefully arranged switch that they overlap otherwise interfere with operation switch when switch cover replaced. wires trapped between basic cover then switch fail operate correctly ensure that adequate exists between fitted wires cover when fitted. good practice have very different diameter wires share same terminal switch uneven pressure wires will result. Mounting series been designed extremely flexible mounting. Elongated mounting holes mean that switch adjusted substantially prior fixing position. recommend maximum screws used mounting switch application. test switch intended switch point application. When mounting switch ensure that positioned allow natural drainage moisture which enter enclosure during service. Natural drainage achieved mounting switch upright with conduit entry bottom switch. Mounting switch upright position will enable maintenance replacement procedures carried easily. Adjustment Set-up general adjustment should necessary beyond correct mounting switch body required. possible change switch actuator orientation. example below shows roller plunger head rotated through 90°. other head styles also rotated.
Limit/Enclosed
limit switches with pushrod actuators, actuating force should applied nearly possible line with pushrod axis.
arrangements should such that actuator suddenly released snap back freely.
Operating mechanisms limit switches should designed that, under operating emergency conditions, limit switch operated beyond overtravel limit position. limit switch should used mechanical stop.
limit switches with lever actuators, actuating force should applied nearly perpendicular lever practical perpendicular shaft axis about which lever rotates.
head rotated carefully removing four combination head screws holding head position. Carefully remove head assembly rotate desired position. Replace head assembly tighten mounting screws. Ensure that head properly located. Hand test actuator ensure that switch functions actuator moves freely (sticking occur material been deposited inside drive train whilst head assembly removed).
Honeywell
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Limit Enclosed Switches
Side Rotaries side rotary assemblies incorporate feature adjusting free position side rotary lever. 50041 body style allows infinite adjustment reclamp. 50047 style allows clamping increments. following diagrams details mechanism each case. Standard 50041 body style 50041 Side Rotary Actuator Direction Adjustment furnished, rotary switches will operate when lever rotated from either left right. They field modified operate direction only (Clockwise Counter clockwise CCW) following these steps: Carefully remove complete head assembly; Turn head assembly upside down shown drawing below.
There lever mounting options: fully seating lever four detent positions shaft which provides positive lever retention; mounting lever serrated portion shaft (which enables lever mounted position). change rotary lever's free position: Allen wrench loosen Allen screw, shown drawing above; Back lever move desired free position; retighten Allen screw; Check free position satisfactory application; Repeat adjustment procedure necessary. teller located bottom lever (see diagram below) helps prevent lever slippage. enables installer detect correct tightening torque. When this cannot moved, Allen screw been tightened properly.
Pull plunger mechanism rotate through degree increments until alignment points desired function (CW, CCW, CCW). Push plunger mechanism Reassemble head assembly re-test switch your application.
Replacement Instructions
levers side rotaries available replacment parts. basics, except plug-in, replaced. 50041 heads replaced. replacement procedures these components straightforward nature. Side Rotary Levers Remove lever from product being replaced. 50041 product this achieved loosening Allen screw holding lever shaft. 50047 product this achieved unscrewing combination screw holding lever shaft. Replace lever tighten Allen screw combination screw. Retest switch application. Heads 50041 style switch heads removed replaced. Remove head unscrewing four retaining screws head assembly. Ensure replacement part identical being removed. Re-test assembly ensure correct operation. Basics plug-in 50041 three conduit 50047 body styles. Basic switches removed replaced following this procedure: Remove cover from body; Before disconnecting switch wiring, carefully note wiring arrangement your application, particularly safety ground connection; Remove basic switch retaining screw; Remove basic replace with same thing; retaining screw install basic ensure that correctly seated switch body; Wire switch terminals before; Before replacing cover ensure that switch wires twisted otherwise lifted from basic prevent them from becoming trapped when cover replaced); then Test switch application.
Miniature 50047 body style
serrated coupling used lever free position increments. This adjustment achieved Unscrewing combination head screw which holds lever place, taking care lose parts; Readjust assembly rotate desired free position; Re-assemble tighten combination screw. Check that free position correct application repeat adjustment procedure necessary. NOTE: lever increments removing lever rotating desired position.
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Limit Enclosed Switches
Miniature 50047 body style same replacement procedure above except that retaining screw involved. basic switch secured miniature housings press fit. remove inoperative switch, merely grasp basic firmly pull housing. Insert switch place. Then wire basic before test application. Plug-in 50041 body style switch enclosure portion this two-piece body style plugs into pre-wired terminal block mounted application. Replacement accomplished unplugging switch enclosure plugging-in switch enclosure (basics permanently staked switch enclosure).
Wiring
GLF, GLG, versions 50041) come complete with indicators. These indicators wired variety ways. standard adopted Plug-in body) Plug-in body) versions green indicate power available yellow indicate operation. Operation indicate actuator free actuator operated depending wireing arrangement employed. table below indicates body styles indicators offered. Body GLF. GLG. GLH. GLJ. Function Spec. 250V Less than 1,5mA draw
``Wiring Arrangement that regardless position main switch current flow through will illuminate indicating power available.
Limit/Enclosed
plug-in 250V Less than 1,5mA draw typ. current draw plug-in typ. current draw
following wiring arrangements show possible configurations that used LED's. Combinations these arrangements used where dual versions employed.
``Wiring Arrangement that when load energised will illuminate. above circuit ideas give flavour what possible with these versions GLS. LED's should treated ''for indication only'' devices. Note: While every effort made ensure that above guidelines accurate, responsibility accepted failure apply good engineering practice machinery design Honeywell products. Never apply procedures outlined above live circuits. Ensure that testing changes carried with risk injury during tests. These guidelines produced help customers make right choices applying Limit Switches general applications. Contact your local Honeywell representative have difficulties.
``Wiring Arrangement that while main basic open current flow through (via load) illuminates.
``Wiring Arrangement that while main switch closed current cannot flow through will illuminate.
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