Type: 4120      Download
 
Dimensions
 
Internal connection diagrams
   
Single pole, miniaturised thermal circuit breaker with trip-free mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). Threadneck panel mounted, temperature-compensated, with optional auxiliary contacts. Fully approved for commercial aircraft and similar requirements.
 
Voltage rating: 
  • AC 115 V (400 Hz)
  • DC 28 V
Current ratings: 
from 1 A to 25 A  (0.5 A upon request)
Number of poles: 
single pole 
Mounting method: 
threadneck 
Terminal design: 
screw terminals 
Actuation: 
manual release 
push button 
Auxiliary contacts: 
with auxiliary contacts 
without auxiliary contacts 
Water splash protection: 
with water splash protection 
without water splash protection 
Illumination: 
without illumination 
Typical life:
20,000 operations mechanical or
5,000 operations at 1 x IN
Interrupting capacity Icn:
AC 115 V (400 Hz):
1...4 A: 1,000 A
5...25 A: 2,000 A
DC 28V:
1...25 A: 6,000 A
Approvals:
EN 2495, EN 3773, prEN 2995, MS 3320, QPL, VG 95345 T06, BWB, UL 1077