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What is the maximum earth loop Impedance Zs value for the circuit breakers used in the Safepact range of enclosed MCCB's?

The maximum earth loop Impedance figures can be found on the attached pdf files.

63A to 250A
The MCCB's used for ratings of 63A to 250A are identical to the NSX with thermal magnetic trip units.

400A & 630A
The MCCB's used for ratings of 400A & 630A are identical to the NSX with Micrologic 2.3 trip units.
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