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What overcurrent protection is suitable for use upstream from an EZM31600TB terminal box.

The following fuses and circuit breakers are suitable for feeding an EZM31600TB terminal box (note: Short Circuit Current Rating of this device is based on a System Rated 240 Vac maximum):
42,000 RMS Symmetrical amperes when protected by a Square D Type MA Circuit Breaker rated 42,000 AIR minimum.
65,000 RMS Symmetrical amperes when protected by a Square D Type MHCircuit Breaker rated 65,000 AIR minimum.
65,000 RMS Symmetrical amperes when protected by a Square D Type PA Circuit Breaker rated 65,000 AIR minimum.
100,000 RMS Symmetrical amperes when protected by a Class T (300 Vac) fuse Rated 800A maximum.
100,000 RMS Symmetrical amperes when protected by a Class R fuse Rated 600A maximum.
Other Circuit Breaker or Fuse combinations have not been tested and are not listed on the wiring diagram of this device.


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