Hydraulic Magnetic Circuit Breakers

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Techna offer a comprehensive range of Hydraulic Magnetic Circuit Breakers in a wide variety of sizes, in current ratings from 0.02A to 700A, up to 6 poles and with an extensive range of options and accessories. Our hydraulic magnetic circuit breakers offer a safe, reliable and cost effective solution to almost any application.

Hydraulic Magnetic Circuit Breaker Features

Temperature insensitive, wide operating temperature range with no need for ambient temperature de-rating and virtually eliminates heat-induced nuisance tripping
Wide range of trip characteristics from instantaneous to ultra-long
Low internal impedance with minimal power loss
Large variety of actuators including illuminated, bi-colour, metal toggle and guarded options
Mounting options include snap-in, panel mount and DIN-Rail
Various terminal options available
Dual coil, remotely operated, auxiliary, alarm and special circuit options available
High DC voltage models available, ideal for use with solar arrays
Military grade “COTS” parts available to MIL-PRF-55629/MIL STD 202UL
Available with UL, CSA, VDE and TUV certifications

Hydraulic Magnetic RCBOs

We also offer the PB Series and PC Series of hydraulic magnetic RCBOs, which combine hydraulic magnetic overload sensing and state of the art integrated circuit earth fault protection. Our hydraulic magnetic RCBOs are ideally suited for demanding applications such as marine and outdoor installations and feature:

Overload protection from 0.1A to 50A with a range of tripping characteristics
Earth leakage detection from 6mA to 30mA
Suitable for voltages up to 250 Vac
1 to 3 poles with optional neutral pole (switched or unswitched)
Temperature insensitive, wide operating temperature range with no need for ambient temperature de-rating and virtually eliminates heat-induced nuisance tripping
Excellent environmental protection, designed and tested to MIL-PRF-55629/MIL-STD-202G and optional panel sealing for adverse conditions
Range of mounting, actuator and terminal options and available with LED indication of status and fault type
Available with UL and CSA certifications


For more information on our Hydraulic Magnetic Circuit Breakers, click here to download a pdf datasheet.

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