Part of the legacy CAH series, the Eaton CAH2175 is a 2-pole, 175A molded case circuit breaker built for commercial power distribution. This unit-mount MCCB installs into Eaton metering stacks, group metering applications, and Type ECC enclosures. For facility managers maintaining older systems, note that this frame is officially replaced by the CCVH2175 model. It features fixed long-time and instantaneous (LI) trip functions, a 22kAIC rating at 240VAC, and accepts 6 AWG to 350 kcmil wiring.
Which enclosures and metering centers accept the CAH2175 breaker?
This unit-mount molded case circuit breaker is specifically designed for installation in Eaton and Cutler-Hammer Metering Stacks, Group Metering applications, and Type ECC enclosures.
How does the CAH2175 differ from the standard CA2175 breaker?
The CAH2175 features a high interrupting capacity of 22kAIC at 240VAC. The standard CA2175 shares the same physical C-Frame footprint but is only rated for a 10kAIC fault current.
What is the modern Eaton replacement for the legacy CAH2175?
For facility managers maintaining older electrical systems, the legacy CAH2175 C-Frame breaker is officially replaced by the Eaton CCVH2175 model.
What are the wiring requirements for the CAH2175 lugs?
The factory-installed feed-thru lugs accept either copper or aluminum conductors ranging from 6 AWG to 350 kcmil. Always verify local codes and apply the correct torque when terminating cables in metering stacks.
Does the CAH2175 plug directly onto a panelboard bus?
No, the CAH2175 is a unit-mount, feed-thru circuit breaker. It bolts into place and utilizes line and load lugs for hardwired connections rather than plugging onto a bus bar.
Can the CAH2175 be used as a main tenant disconnect?
Yes, this 175A breaker is frequently utilized as a main tenant disconnect in Cutler-Hammer group metering stacks, provided the available fault current does not exceed its maximum 22kAIC rating.
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