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E-T-A Circuit Breakers Ltd

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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Showing 256 of 664 Products

  1. High Performance Thermal Circuit Breaker 449-K-H-FN-Si-FA24-400A

    High Performance Thermal Circuit Breaker 449-K-H-FN-Si-FA24-400A
    • Part code449-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

  2. High Performance Thermal Circuit Breaker 482

    High Performance Thermal Circuit Breaker 482
    • Part code482
    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

  3. High Performance Thermal Circuit Breaker 483

    High Performance Thermal Circuit Breaker 483
    • Part code483
    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.
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  4. High Performance Thermal Circuit Breaker 5140

    High Performance Thermal Circuit Breaker 5140
    • Part code5140
    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

  5. High Performance Thermal Circuit Breaker 583

    High Performance Thermal Circuit Breaker 583
    • Part code583
    Three 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 (AS 14154) configurations. Advanced two-chamber design minimises contact contamination to provide fail-safe operation. Temperature compensated with optional auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. For single pole version see type 483.
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd

  6. High Performance Thermal-Magnetic Circuit Breaker 437

    High Performance Thermal-Magnetic Circuit Breaker 437
    • Part code437
    Single pole high performance thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60934). Options include auxiliary contacts, a moulded flame retardant enclosure for added environmental protection, and remote operation - disconnection only, or disconnection and re-connection. Now also available in an IP65 housing (see type E-1032).
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd

  7. High Performance Thermal-Magnetic Circuit Breaker 452

    High Performance Thermal-Magnetic Circuit Breaker 452
    • Part code452
    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.
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd

  8. High Performance Thermal-Magnetic Circuit Breaker 452-K34-FN2-50A

    High Performance Thermal-Magnetic Circuit Breaker 452-K34-FN2-50A
    • Part code452-K34-FN2-50A
    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.

    Standard delay curve
    Screw terminals M6, reinforced
    Vehicle application version
    Current ratings: 50 - 100A.
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd

  9. High Performance Thermal-Magnetic Circuit Breaker 452-K34-LN2-50A

    High Performance Thermal-Magnetic Circuit Breaker 452-K34-LN2-50A
    • Part code452-K34-LN2-50A
    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.

    Standard delay curve
    Screw terminals M6, reinforced
    Aircraft/general application version
    Current ratings: 50 - 100A.
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd

  10. High Performance Thermal-Magnetic Circuit Breakers 410

    High Performance Thermal-Magnetic Circuit Breakers 410
    • Part code410
    Single (type 410), double (type 520) and three pole (type 530) high performance thermal-magnetic circuit breakers with tease-free, trip-free, snap action mechanism and toggle actuation (S-type TM CBE to EN 60 934; also to EN 60 947). Designed for rail, panel or surface mounting. Available with a choice of characteristic curves and optional auxiliary contacts.
    Request a Quote Supplied by E-T-A Circuit Breakers Ltd