Square D KH36200 Molded Case Circuit Breaker

This breaker is exclusively designed for use in Square D I-Line panelboards and switchboards. It will not fit in standard load centers or NQ/NF distribution panels.

The magnetic trip on the KH36200 is adjustable from a Low setting of 1000A to a High setting of 2000A. The thermal long-time trip element is fixed at 200 Amps.

Yes, legacy K-frame breakers like the KH36200 are technically obsolete. For new construction, they have been superseded by the PowerPact J-frame I-Line series, though the KH36200 remains widely available for direct replacements in existing panels.

In Square D's legacy K-frame lineup, the H indicates a High Interrupting rating. This model offers a 35kAIC rating at 480VAC, which is a higher fault-current capacity than the standard KA series.

Yes, this breaker is rated for DC applications up to 250VDC, carrying a maximum interrupting capacity of 10kAIC at that voltage.

The line side features an I-Line plug-on jaw connection that mounts directly to the panel bus, while the load side uses standard mechanical lugs accepting 4 AWG to 350 kcmil aluminum or copper wire.

Yes. An I-Line PowerPact J-frame breaker (such as a JJA or JDA model with the appropriate amperage and poles) will mount onto the same I-Line bus and can serve as a direct replacement for legacy K-frame breakers.

No. Because it is an I-Line style plug-in breaker, the line-side mounting jaws are built into the unit. It attaches directly to the I-Line bus without the need for external mounting hardware or strap kits.

While I-Line panelboards feature a plug-on design, safety protocols and OSHA regulations dictate that the panel should be fully de-energized and locked out before installing or removing any circuit breaker to prevent arc flash and shock hazards.