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
  1. High Performance Circuit Breakers

    High Performance Circuit Breakers
    High performance circuit breakers are ideally suited to protect against overcurrent and short circuit for use in aircraft and vehicles and other specialised equipment where safety is paramount. Battery isolation switches are ideally suited for installation in the main battery systems of heavy duty vehicles including tankers, boats, off-road plant and other battery-powered equipment.
  2. High Performance Thermal Circuit Breaker 412

    High Performance Thermal Circuit Breaker 412
    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.
  3. High Performance Thermal Circuit Breaker 4120

    High Performance Thermal Circuit Breaker 4120
    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.
  4. High Performance Thermal Circuit Breaker 412-K14-FN2-10A

    High Performance Thermal Circuit Breaker 412-K14-FN2-10A
    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 M4 (to aircraft specs.)
    Vehicle application, nickel-plated version
    Current ratings: 6 - 25A (-FN2).
  5. High Performance Thermal Circuit Breaker 412-K14-LN2-10A

    High Performance Thermal Circuit Breaker 412-K14-LN2-10A
    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 M4 (to aircraft specs.)
    Aircraft application, black finish version
    Current ratings: 7.5 - 35A (-LN2/N2).
  6. High Performance Thermal Circuit Breaker 412-K14-N2-10A

    High Performance Thermal Circuit Breaker 412-K14-N2-10A
    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 M4 (to aircraft specs.)
    General application, nickel-plated version
    Current ratings: 7.5 - 35A (-LN2/N2).
  7. High Performance Thermal Circuit Breaker 412-K54-FN2-10A

    High Performance Thermal Circuit Breaker 412-K54-FN2-10A
    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 M4 sealed housing (to vehicle specs.)
    Vehicle application, nickel-plated version
    Current ratings: 6 - 25A (-FN2).
  8. High Performance Thermal Circuit Breaker 412-K54-LN2-10A

    High Performance Thermal Circuit Breaker 412-K54-LN2-10A
    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 M4 sealed housing (to vehicle specs.)
    Aircraft application, black finish version
    Current ratings: 7.5 - 35A (-LN2/N2).
  9. High Performance Thermal Circuit Breaker 412-K54-N2-10A

    High Performance Thermal Circuit Breaker 412-K54-N2-10A
    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 M4 sealed housing (to vehicle specs.)
    General application, nickel-plated version
    Current ratings: 7.5 - 35A (-LN2/N2).
  10. High Performance Thermal Circuit Breaker 413

    High Performance Thermal Circuit Breaker 413
    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.