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Trip Units

Magnum Digitrip 520/520M/520MC

Magnum Digitrip 1150

ARMS/Maintenance Mode on 520MC and 1150+ trip units

Power Breaker Trip Unit Test Kit

How to Program the 1150+ Trip Unit

Amptector Trip Unit

Can I make my 310+ Trip Unit Tamper-Proof?

Power Defense Insulated Case Circuit Breakers

PXPM Software and License

Magnum Digitrip Communications

What are the default settings for my Magnum breaker?

PD-NF and PD-RF Maintenance Mode

PD-NF and PD-RF Zone Selective Interlocking

PXR Trip Unit Comparison

How do I reset my Optimizer password?

Power Defense MCCB Maintenance Mode

Power Defense MCCB Zone Selective Interlocking

Why isn't my NRX breaker reading voltage?

How do I reset my RMS digitrip?

How to change the trip setting on a Magnum or NRX breaker

VCP-T Digitrip 520V/520MCV

VCP-T Digitrip 1150V

NRX Digitrip 520/520M

NRX Digitrip 1150

PXR trip unit doesn't communicate to PXG900

What does it the 310+ Status LED mean.

What is the burden of the digitrip power supply?

Digitrip Time/Current Curves