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EATON HCA Series Circuit Breakers


Eaton HCA Series circuit breakers prevent high-current in electrical distribution systems, switchgear and motor control centres. They are ideal for the power generation, oil & gas, mining and transportation industries. These circuit breakers are available in two / three-pole configurations ...and have up to 65 kAIC interrupt rating.Read more

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EATON HCA2175A
EATON HCA3100B
StyleModelNumber Of PolesAmpsVoltage TypeFrame TypeVoltagePrice
A
HCA2175		2175AACHCA240V-
RFQ
A
HCA2100		2100AACHCA240V€3,683.35
RFQ
A
HCA2125		2125AACHCA240V-
RFQ
A
HCA2225		2225AACHCA240V-
RFQ
B
HCA3100		3100AACHCA240V-
RFQ
B
HCA3125		3125AACHCA240V-
RFQ
B
HCA3150		3150AACHCA240V-
RFQ
B
HCA3175		3175AACHCA240V-
RFQ
B
HCA3200		3200AACHCA240V-
RFQ
B
HCA3225		3225AACHCA240V-
RFQ

Working Mechanism

  • These circuit breakers incorporate both fixed thermal and magnetic trips.

    • Fixed Thermal Trips

    • Fixed thermal trips are based on the heat generated by the current passing through the circuit.
    • The trip unit contains a bimetallic strip sensitive to temperature changes.
    • As the current increases, the bimetallic strip heats up and bends, triggering the breaker to trip.

    Fixed Magnetic Trips

    • Fixed magnetic trips use the strength of the magnetic field created by the current passing through the circuit.
    • The trip unit contains an electromagnet sensitive to changes in magnetic field strength.
    • As the current increases, the magnetic field strength increases and when it reaches a certain level, it triggers the breaker to trip.

Standards and Approvals

  • UL
  • CSA

Frequently Asked Questions

How to maintain these Eaton HCA circuit breakers?

Their maintenance involves inspection and testing of the circuit breaker, as well as replacement of any worn or damaged components.

What is the difference between HCA and HMC circuit breakers?

Eaton HCA (High Current Application) circuit breakers are designed for higher current ratings and interrupting capacities, while HMC (High Magnetic Capacity) circuit breakers are for higher levels of short-circuit magnetic forces.

How to choose the right Eaton HCA circuit breaker for my application?

The right selection depends on the voltage level, the current rating and the specific protection features required.

Can I install these Eaton HCA circuit breakers to new trip units?

Yes, users can retrofit these circuit breakers with new trip units to upgrade their protection features or adjust trip settings for a specific application.

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