Thermal-Magnetic Circuit Breakers

A latching type bimetal is combined with a magnetic coil to provide the joint benefits of delayed operation for low level over-current protection and fast magnetic action on higher value short circuits.

E-T-A has perfected thermal-magnetic technology to provide a choice of mounting options, covering an extensive range of current ratings all with high precision performance. These models are well suited to telecommunications, process control and other industrial applications where sophisticated equipment needs correct – and dependable – protection. The narrow profile of E-T-A thermal-magnetic circuit breakers enables high density packaging solutions.

Additional features to ensure perfect fit of device to application include options such as auxiliary contacts for status signalling and the choice of push button or toggle manual control. There are also single, two and multi-pole models in a range of types and variants. Plug-in versions provide a convenient means of positive circuit interruption by simply removing the circuit breaker – ideal for safety critical systems during maintenance and shutdown.

For further information on Thermal-Magnetic Circuit Breakers please call +44 (0) 1296 420 336 or send us an e-mail.