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Type: E-1073-437/921/922      Download
 
Dimensions
 
Internal connection diagrams
   
Single pole circuit breaker type 437 or single/two pole isolation switches types 921/922 featuring an additional electronic function module which limits the duration of the supply to the remote disconnect and re-connect coils, avoiding damage in the event of unusual operating circumstances. Available with undervoltage monitoring option to protect batteries from the effects of deep discharge, status output for undervoltage, auto reset feature.
 
Voltage rating: 
  • DC 12 V
  • DC 24 V
Current ratings: 
from 40 A to 240 A  E-1073-437 (optional 350 A)
from 240 A to -A  E-1073-921
from 120 A to -A  E-1073-922
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 
Illumination: 
without illumination 
Typical life:
10,000 operations electrical
20,000 operations mechanical
Interrupting capacity Icn:
DC 28 V (type 437): 10,000 A
DC 28 V (type 921): 2,500 A
DC 28 V (type 922): 1,500 A