Solutions for your safety

Type: 437

Description

92 mm

Single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60934). Options include auxiliary contacts, a moulded flame retardant enclosure for added environmental protection, and remote operation - disconnection only, or disconnection and re-connection.

Now also available in an IP65 housing (see type E-1032).

Downloads

Technical Data

Technical Data

Voltage rating 
  • DC 144 V
    higher voltage ratings upon request
Current ratings  from 40 A to 240 A  
higher current ratings upon request
Typical life 3,000 operations at 240 A, DC 180 V
10,000 operations at 240 A, DC 28 V
20,000 operations mechanical
Interrupting capacity Icn DC 180 V: 2,000 A, L/R = 0 ms
DC 28 V: 10,000 A, L/R = 0 ms
DC 28 V: 7,500 A, L/R = 13 ms
Number of poles 
  • single pole 
  • double pole 
Mounting method 
  • socket 
Terminal design 
  • screw terminals 
Actuation 
  • manual release 
  • toggle/baton 
Auxiliary contacts 
  • with auxiliary contacts 
  • without auxiliary contacts 
Water splash protection 
  • with water splash protection 
  • without water splash protection 
Illumination 
  • without illumination 

Accessories

Accessories

Applications

Applications

  • Watercraft & Vehicles 
  • Automobiles 
  • Commercial Vehicles 
  • Rail Vehicles