Type 5140

77 mm
Typ 5140 von E-T-A: Dreipoliger, thermischer Schutzschalter mit Gewindehalsbefestigung und Druck/Zug-Betätigung.


Three pole, aircraft style thermal circuit breaker with trip-free mechanism and push/pull on/off manual actuation. An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted, temperature compensated, with optional auxiliary contacts. The robust design is well suited to extremely harsh conditions. In the event of an overload in one, two or three phases all three poles will be disconnected.

Technical Data

Voltage rating
  • 3 AC 200 V (400 Hz)
  • DC 28 V
Current ratings from 20 A up to 50 A  
Number of poles three 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 5,000 operations mechanical and

2,500 operations at 1 x IN
Interrupting capacity Icn 2,000 A
Certificates ASNE 0459 NSA 931323 EN 3662-005 EN 3662-006


Order number Description

splash cover black with O-ring


actuator extension


identification collar


splash cover transparent with O-ring


  • Aerospace