Type 452

~ 80 mm
Typ 452 von E-T-A: Einpoliger, thermisch-magnetischer Schutzschalter mit Gewindehalsbefestigung und Druck/Zug-Betätigung.


Single pole high performance thermal-magnetic circuit breaker, with tease-free, trip-free, snap action mechanism and push/pull on/off actuation (M-type TM CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted in tracked vehicle and aircraft/general purpose versions, with optional fast acting magnetic characteristics and auxiliary contacts.

Technical Data

Voltage rating
  • DC 28 V
Current ratings from 50 A up to 100 A  
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 2,500 operations at 1 x IN
Interrupting capacity Icn 6,000 A
Certificates VG 95345 part 17, UL, QPL Canada, QPL Sweden


Order number Description

splash cover black with O-ring


splash cover transparent with O-ring


splash cover black with O-ring,

nickel plated nut


splash cover black with O-ring,

matt black finish nut


actuator extension


identification collar


lock out ring


  • Aerospace
  • Automobiles
  • Commercial Vehicles
  • Minus DC 28 V
  • Rail vehicles
  • Telecom & Datacom
  • Watercraft & Vehicles