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The following switch is a hand operated, spring latchable, control circuit device, rated ‘Heavy Duty’ normally for use with electromagnetic equipment.  The yellow cover and red mushroom plunger head are made from die-cast zinc and painted with a dry powder paint. 


  • Gold plated contacts eliminate high resistance tarnishing
  • Plated steel latch plate has a 0.31” hole for insertion of a padlock
  • Complies with IEC/EN 60947-5-5 for Emergency Stop Applications
  • Nema 12/13, IP 65 

Each captive terminal will accept (2) #14 AWG stranded wires.  Each switch is supplied with all mounting hardware and a solid santoprene rubber gasket which provides an oil tight seal upon installation.  The mechanical life of this device is 500,000 operations. 


This switch can be found in a variety of uses on industrial machines.  Presses and press brakes use them as “STOP” buttons.



Electrical Ratings

“HEAVY DUTY – A600 / N300”

Listed under UL 508 – File # E 58589

Certified under CSA C22.2 – File # LR 3648

CE Compliant IEC/EN 60947-5-5

Third party certified under DEMKO File # FI-17205


Environmental Temperature Range

Operating:  +32oF to +131oF (0oC to +55oC)

Storage:  -40oF to +185oF (-40oC to +85oC)

Note:  Operating temperatures at 0oC are based on the absence of freezing moisture and liquids.


Normal Potential

Normal Current

Inrush Current

110-120 aca volts

6.0 amp.

60.0 amp.

220-240 aca

3.0 amp.

30.0 amp.

440-480 aca

1.5 amp.

15.0 amp.

550-600 aca

1.2 amp.

12.0 amp.

115-125 dcb

2.2 amp.


230-250 dcb

1.1 amp.


a  Power factor 0.35 or less

b  Inductive loads as specified in Section 125 of Industrial

   Control Devices, Controllers and Assemblies, ANSI /

   NEMA ICS 2-1988


These products should only be used where point-of-operation guarding devices have been properly installed & maintained so that appropriate OSHA and ANSI B11.1 regulations & standards are met.  Misapplication of the products on machinery lacking effective point-of operation safeguards can cause serious injury to the operator of that machinery.



Ces produit doivent seulement être utilisés sur des postes à risque correctement sécurisés et entretenus afin d’être conforme aux standards et régulations en vigueur (CSA, CLC). Un mauvais usage de ces produits sur des machines et des postes de travail non sécurisés de manière efficace peut causer des blessures graves au technicien maniant ces machines.


Unit of Measure


Plunger Color

N/A Red

Cover Color

N/A Yellow

Operating Force

N/A 11.5 lb

Lock Hole Diameter

N/A 0.31 in

Latch/Plunger Operation

N/A Latches when depressed Operate latch to release

Positive Opening Contact


Contact Arrangement

N/A #09 NO + NC

Contact Type

N/A Slow-Make Slow-Break

Approx. Shipping Weight

N/A 1.80 lb

Old Catalog Number

N/A 3476

Switches comply with

N/A IEC/EN 60947-5-5 for Emergency Stop Applications