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. Electronic Overcurrent Protector REF16-S121-DC 24 V-1A

    Electronic Overcurrent Protector REF16-S121-DC 24 V-1A
    It provides selective protection for all DC 24 V load circuits at a width of only 12.5 mm. This is achieved by a combination of active electronic current limitation in the event of a short circuit and overload disconnection at typically 1.25 times rated current. Plugged into an E-T-A socket, which is available with screw terminals or screwless terminals, the REF16-S provides ease of installation. The sockets allow power distribution and signalling via plug-in type jumpers. In addition the REF16-S latches on when plugged into the socket and by means of coding pins a clear assignment to current ratings or slots is possible. Dimensions are in compliance with the standard DIN 43880 for the installation of built-in units.

    Electronic circuit breaker with current limit
    Mounting and design: plug-in type
    Version without physical isolation
    With reset input RE (only REF16-S124, REF16-S127)
    Signal output F - signal contact, make contact (only REF16-S101)
    Rated voltage DC 24 V
    Current ratings:
    • 0.5A
    • 1A
    • 2A
    • 3A
    • 4A
    • 6A
    • 8A (without REF16-S102)
    • 10A (without REF16-S102)
  2. Electronic Overcurrent Protector REF16-S122-DC 24 V-1A

    Electronic Overcurrent Protector REF16-S122-DC 24 V-1A
    It provides selective protection for all DC 24 V load circuits at a width of only 12.5 mm. This is achieved by a combination of active electronic current limitation in the event of a short circuit and overload disconnection at typically 1.25 times rated current. Plugged into an E-T-A socket, which is available with screw terminals or screwless terminals, the REF16-S provides ease of installation. The sockets allow power distribution and signalling via plug-in type jumpers. In addition the REF16-S latches on when plugged into the socket and by means of coding pins a clear assignment to current ratings or slots is possible. Dimensions are in compliance with the standard DIN 43880 for the installation of built-in units.

    Electronic circuit breaker with current limit
    Mounting and design: plug-in type
    Version without physical isolation
    With reset input RE (only REF16-S124, REF16-S127)
    Signal output F - signal contact, break contact (only REF16-S102)
    Rated voltage DC 24 V
    Current ratings:
    • 0.5A
    • 1A
    • 2A
    • 3A
    • 4A
    • 6A
    • 8A (without REF16-S102)
    • 10A (without REF16-S102)
  3. Electronic Overcurrent Protector REF16-S124-DC 24 V-1A

    Electronic Overcurrent Protector REF16-S124-DC 24 V-1A
    It provides selective protection for all DC 24 V load circuits at a width of only 12.5 mm. This is achieved by a combination of active electronic current limitation in the event of a short circuit and overload disconnection at typically 1.25 times rated current. Plugged into an E-T-A socket, which is available with screw terminals or screwless terminals, the REF16-S provides ease of installation. The sockets allow power distribution and signalling via plug-in type jumpers. In addition the REF16-S latches on when plugged into the socket and by means of coding pins a clear assignment to current ratings or slots is possible. Dimensions are in compliance with the standard DIN 43880 for the installation of built-in units.

    Electronic circuit breaker with current limit
    Mounting and design: plug-in type
    Version without physical isolation
    With reset input RE (only REF16-S124, REF16-S127)
    Status output SF (only REF16-S114, REF16-124)
    Rated voltage DC 24 V
    Current ratings:
    • 0.5A
    • 1A
    • 2A
    • 3A
    • 4A
    • 6A
    • 8A (without REF16-S102)
    • 10A (without REF16-S102)
  4. Electronic Overcurrent Protector REF16-S127-DC 24 V-1A

    Electronic Overcurrent Protector REF16-S127-DC 24 V-1A
    It provides selective protection for all DC 24 V load circuits at a width of only 12.5 mm. This is achieved by a combination of active electronic current limitation in the event of a short circuit and overload disconnection at typically 1.25 times rated current. Plugged into an E-T-A socket, which is available with screw terminals or screwless terminals, the REF16-S provides ease of installation. The sockets allow power distribution and signalling via plug-in type jumpers. In addition the REF16-S latches on when plugged into the socket and by means of coding pins a clear assignment to current ratings or slots is possible. Dimensions are in compliance with the standard DIN 43880 for the installation of built-in units.

    Electronic circuit breaker with current limit
    Mounting and design: plug-in type
    Version without physical isolation
    With reset input RE (only REF16-S124, REF16-S127)
    Status output SF inverted (only REF16-S117, REF16-S127)
    Rated voltage DC 24 V
    Current ratings:
    • 0.5A
    • 1A
    • 2A
    • 3A
    • 4A
    • 6A
    • 8A (without REF16-S102)
    • 10A (without REF16-S102)
  5. Renewable Energy - DC Disconnect, Overcurrent Protection and Error Signalling

    Renewable Energy - DC Disconnect, Overcurrent Protection and Error Signalling
    We work closely with our clients in the the renewable energy sector to develop products including remotely controlled circuit breakers and DC disconnect switches. We supply isolation and disconnection of high DC voltages in inverters and generator junction boxes. Our electronic circuit protectors are ideally suited to battery-buffered DC 12 V and 24 V DC applications due to their low power consumption.

    As investments in the production of renewable energy continues to increase, the importance of protecting these new technologies with accurate overcurrent protection and integral error signalling builds. E-T-A's system solutions, DC disconnect switches, firefighter switches, circuit breakers, isolators, power distribution systems, electronic relays and emergency switches ensure dependable solutions for the latest state-of-the-art green technologies entering the market today including photovoltaic technology as well as hydroelectric and wind power generation.
  6. Simulator Switch, Magnetic Operation 9510

    Simulator Switch, Magnetic Operation 9510
    Single pole, miniaturised aircraft simulator switch with extremely fast magnetic trip time. Blade, screw and wire wrap terminals. Aircraft style threadneck and push/pull button with white trip indicator ring. Current rating marked on the push button according to customer' s request by adhesive labels or marking inserts.