Ultrathermics Circuit Breaker

Ultrathermics Circuit Breaker


The single switching action breaks both poles of supply thereby rendering the cutting / welding equipment safe.

The totally enclosed design offers full protection to the surface operator from unintentional contact whilst also shielding them from the visual arc spark during the breaking of the circuit.

The Ultrathermics Circuit Breaker is a two pole, 630 amp AC or DC circuit breaker for direct surface control of underwater cutting and welding operations.

The Circuit Breaker is a totally enclosed design which offers full protection to operators and is approved by the Department of Energy.

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In 2015 James Fisher Defence and Divex merged to form JFD.

Today, JFD serves customers in 81 countries across six continents.

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