E-T-A Circuit Breakers Ltd
We provide comprehensive and globally renowned solutions for your electronic systems. For the design and production of circuit breakers for equipment protection, we provide superior services, unmatched throughout the field.
We also offer the widest range of products for circuit protection in every industrial application. Our unrivalled supply of circuit protection devices includes:
- Thermal overcurrent circuit breakers
- Thermal-magnetic overcurrent circuit breakers
- Hydraulic-magnetic and magnetic overcurrent circuit breakers
- High performance circuit breakers and battery switches
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- Battery Isolation Switches
- Circuit Breakers
- DC Disconnects
- DC Servo Motors
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- Rocker Switches
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High Performance Thermal Circuit Breaker 413-K54-FN2-40A
Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted and available in tracked vehicle, aircraft and general purpose versions.
Threadneck panel mounting
Terminal design: screw terminals M6 sealed housing (to vehicle specs.)
Vehicle application, nickel-plated version
Current ratings: 30 - 55A (-FN2).Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 413-K54-LN2-40A
Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted and available in tracked vehicle, aircraft and general purpose versions.
Threadneck panel mounting
Terminal design: screw terminals M6 sealed housing (to vehicle specs.)
Aircraft application, black finish version
Current ratings: 30 - 90A (-LN2/N2).Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 413-K54-N2-40A
Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted and available in tracked vehicle, aircraft and general purpose versions.
Threadneck panel mounting
Terminal design: screw terminals M6 sealed housing (to vehicle specs.)
General application, nickel-plated version
Current ratings: 30 - 90A (-LN2/N2).Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 4140
Single pole, thermal circuit breaker with trip-free mechanism, push/pull on/off manual actuation (M-type TO CBE to EN 60934) and temperature compensation. An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted, available in metric and US configurations. The robust design makes type 4140 suitable for extremely harsh conditions.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 446-K-H-N-Si-FA24-400A
Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset snap action mechanism and special dual button manual release which avoids the danger of unintended disconnection (M-type TM CBE to EN 60934). Surface mounted, compact design available with fast acting, standard and delayed switching characteristics.
Options include auxiliary contact and remote electrical disconnection.
Single pole base mounting, fast characteristic curve
Screw terminals M12, insertion nuts M8
Standard manual release
General application (type 446 only)
2 electrically separate auxiliary contacts with screw terminals M3.5 and blade terminals DIN 46244-C-MS-S
Remote trip (optional for types 447 and 449) FA24 DC 24 V coil voltage
Current ratings: 30 - 400A.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 447-K-H-FN-Si-FA24-400A
Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset snap action mechanism and special dual button manual release which avoids the danger of unintended disconnection (M-type TM CBE to EN 60934). Surface mounted, compact design available with fast acting, standard and delayed switching characteristics.
Options include auxiliary contact and remote electrical disconnection.
Single pole base mounting, medium delay characteristic curve
Screw terminals M12, insertion nuts M8
Standard manual release
General application (types 447 and 449 only)
2 electrically separate auxiliary contacts with screw terminals M3.5 and blade terminals DIN 46244-C-MS-S
Remote trip (optional for types 447 and 449) FA24 DC 24 V coil voltage
Current ratings: 100 - 400A.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 449-K-H-FN-Si-FA24-400A
Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset snap action mechanism and special dual button manual release which avoids the danger of unintended disconnection (M-type TM CBE to EN 60934). Surface mounted, compact design available with fast acting, standard and delayed switching characteristics.
Options include auxiliary contact and remote electrical disconnection.
Single pole base mounting, delayed characteristic curve
Screw terminals M12, insertion nuts M8
Standard manual release
General application (types 447 and 449 only)
2 electrically separate auxiliary contacts with screw terminals M3.5 and blade terminals DIN 46244-C-MS-S
Remote trip (optional for types 447 and 449) FA24 DC 24 V coil voltage
Current ratings: 125 - 500A.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 482
Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO 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 auxiliary contacts.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 483
Single pole, miniaturised, aircraft style thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted, available in metric and US (MS 3320) configurations. Advanced two-chamber design contributes to fail-safe operation. Temperature compensated from -55° to +125 °C, with optional auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. Full specification ensures suitability for the most demanding applications. For three pole version see type 583.Request a Quote Supplied by E-T-A Circuit Breakers Ltd -
High Performance Thermal Circuit Breaker 5140
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.Request a Quote Supplied by E-T-A Circuit Breakers Ltd