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PXR Trip Unit Comparison

The PXR trip units are used the Power Defense line of circuit breakers. The molded case Power Defense breakers (PD2, PD3, PD4, PD5, PD6) are available in frame sizes 60A to 2500A (the long delay current setting can be set lower). The insulated case Power Defense breakers (PD-NF and PD-RF) are available in frame sizes 800A to 4000A (the long delay current setting can be set lower).

The molded case PXR manual is available here.

The insulated case PXR manual is available here.

Time/current curves are available by breaker type: PD2 (regular and MCP), PD3PD4PD5PD6, PD-NF & PD-RF.

More information about Zone Selective Interlocking (ZSI) is available for Power Defense molded case and insulated case circuit breakers.

More information about Maintenance Mode/ARMS is available for Power Defense molded case and insulated case circuit breakers.