Manual Shutoff Switch (Option -SW)

    Key Features

  • » 
    Manually shut down equipment in an emergency situation
  • » 
    Safety lock mechanism prevents operating errors
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    Finger protection mechanism
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    Push-lock, turn-reset feature
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    Meets B52 code requirements*
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    RoHS Compliant
The Manual Shutoff Switch is a factory installed option that is available at the time of order for QCC models. The emergency stop, push button switch allows a person to manually shutdown equipment in the event of an emergency. Ideal for refrigeration applications; *when combined with the Top Mounted Strobe, the device meets B52 code requirements.
The mechanism comes with one NC (normally closed) switch block. Normally closed is the reset / ready position.
Follow the instructions on the other side of this page for removal, wiring and re-mounting of the switch.
NOTE: The metal guard will not fit over a QCC that has a Manual Shutoff Switch installed.


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    Refrigeration Compressor Rooms
  • » 
    Food Processing Plants
  • » 
    Cold Storage Rooms



Size: 40 mm (1.57”) diameter
Actuator Type:
Round button, mushroom


(setting and resetting once = one operation)
Mechanical: 300,000 operations min.
Electrical: 300,000 operations min.
Mode of Operation: 1 NC contact, in reset position
Switch Function: ON-OFF
Features: Push-Lock, Turn-Reset


Dielectric Strength:
Between terminals of same polarity and 
Between each terminal and ground:
2,500 VAC, 50/60 Hz for 1 min
Circuit: SPST-NC
Current Rating: 10A (AC/DC)
Voltage Rating: 110 VAC, 24 VDC

Input / Output

User Interface


Operating Temperature:
-40°C to 70°C (-40°F to 158°F)
(with no icing or condensation)
Operating Humidity: 35% to 85%



Conforms to: CSA-C22.2 No. 14, UL508

Conforms to: EN60947-5-1, EN60947-5-5

IP65 (oil-resistant)

More Brochures

Product Specifications

Application Brochures



Sensor Specification

Engineering Specification Samples


Operation Manual

Part Numbers

Description Code
Manual Shutoff Switch (for refrigerant applications to meet B52 code only)  SW

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