Manual Shutoff Switch (Option -SW)

An emergency stop, push button switch that 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


  • Refrigeration Compressor Rooms
  • Food Processing Plants
  • Cold Storage Rooms
  • and many more...

Key Features

  • Manually shut down equipment in an emergency situation
  • Manually engage/disengage ventilation system
  • Safety lock mechanism prevents operating errors
  • Finger protection mechanism
  • Push-lock, turn-reset feature
  • Meets B52 code requirements (when combined with the Top Mounted Strobe)
  • RoHS Compliant


The Manual Shutoff Switch is a factory installed option that is available at the time of order for FCS models. The emergency stop, push button switch allows the manually shutdown of equipment in the event of an emergency and for ventilation purging. Also 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 standard large metal guard will not fit over an FCS that has a Manual Shutoff Switch installed.

40 mm (1.57 in) 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
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
Current Rating
10A (AC/DC)
Voltage Rating
110 VAC, 24 VDC
Operating Temperature
-40°C to 70°C (-40°F to 158°F) with no dicing or condensation
Operating Humidity
35% to 85%
Conforms to
CSA-C22.2 No. 14, UL 508
EN60947-5-1, EN60947-5-5
IP65 (oil-resistant)
Product Codes
Manual Shutoff Switch (for emergency electrical shutdowns, ventilation purge and to meet B52 code requirements)

Options, Accessories and More...