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Eaton / Cutler-Hammer HCA2175 Molded Case Circuit Breaker

  • 175A
  • 2 Pole
  • Panel Mount
Eaton / Cutler-Hammer HCA2175
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU HCA2175
Select Item Condition
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  • 175A
  • 2 Pole
  • Panel Mount

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Eaton / Cutler-Hammer HCA2175 - 175A 2 Pole Molded Case Circuit Breaker

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$3,009.50 In Stock

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Description

A reliable component for commercial distribution, the Eaton HCA2175 is a 2-pole, 175A molded case circuit breaker. It provides thermal-magnetic protection with fixed long-time and instantaneous trip functions. This panel-mount MCCB installs into legacy Westinghouse CDP and FDP panelboards. It serves as a replacement for older CA-frame units and can be substituted with ED, FD, or HFD models using an adapter kit. Rated for 42kAIC at 240VAC, it includes factory-installed lugs.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number HCA2175
Series HCA
Amperage 175A
Poles 2
Mounting Style Panel Mount
Voltage 240VAC
Phase 1
AIC Rating 42kA @ 240VAC
Fit and installation
Frame Type HCA
Terminal Type Lugs
For Use With Westinghouse CDP Panelboards, FDP Panelboards
Wire Gauge 3 AWG - 300 kcmil (Al/Cu)
Max Wire 300 kcmil
Min Wire 3 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Handle Lock
Accessories Line and Load Lugs Included
Standards CSA C22.2 No. 5, UL 489, NEMA AB 1
Approval CSA, UL
Temp Rating 40C
Construction Features High Interrupting Capacity

Product FAQs

5 answers
Which panelboards are compatible with the HCA2175 circuit breaker?

The Eaton HCA2175 is designed for use in legacy Westinghouse CDP and FDP panelboards. It requires the appropriate mounting hardware kit for installation in these chassis.

Can the Eaton HCA2175 replace older Westinghouse breakers?

Yes, Eaton acquired the Westinghouse distribution equipment line. The HCA2175 is a direct replacement for original Westinghouse HCA frame breakers with the same specifications, ensuring continued operation of vintage panelboards.

What wire sizes are accepted by the lugs on the HCA2175?

The feed-thru lugs on this breaker accept aluminum or copper wire ranging from 3 AWG to 300 kcmil.

What does the Mark 75 designation mean for the HCA2175?

The Mark 75 family indicates a high interrupting capacity design. For the HCA2175, this provides a robust 42kAIC rating at 240V, making it suitable for commercial and industrial systems with higher fault current potentials.

What type of trip protection does the HCA2175 provide?

This breaker features a thermal magnetic trip unit with fixed long time and instantaneous functions to protect against overloads and short circuits.

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