Built for specialized industrial environments, the Square D KH362005861 is a 3-pole, 200A molded case circuit breaker with a corner-grounded delta (grounded B phase) rating. It utilizes thermal-magnetic trip technology to deliver precise long-time and instantaneous (LI) protection across 600VAC networks. This K-Frame device mounts into Square D I-Line panelboards. When modernizing equipment, it crosses over to the PowerPact JGA362005861. It features a 35kAIC interrupt capacity at 480VAC.
HACR Rated, High Interrupting Capacity, Corner-Grounded Delta Rated
Product FAQs
4 answers
What does the 5861 suffix indicate on the KH362005861?
The 5861 suffix designates that this circuit breaker is UL listed and labeled specifically for use on 3-phase, 3-wire corner-grounded delta electrical systems, commonly referred to as grounded B phase systems.
What is the modern PowerPact replacement for this legacy breaker?
When upgrading or modernizing equipment, this legacy K-Frame breaker crosses over to the newer Square D PowerPact J-Frame series. The direct replacement catalog number is JGA362005861.
How is this breaker installed into the panelboard?
It utilizes the Square D I-Line plug-on mounting system. The breaker features jaws that plug directly onto the panelboard bus stack and is secured firmly by ratcheting it into place with a screwdriver.
How does the trip adjustability work on this model?
This breaker features a thermal-magnetic trip unit where the thermal (long-time) protection is fixed at 200 amps. However, the magnetic (instantaneous) trip function is adjustable, allowing you to fine-tune the short-circuit response to match your specific load requirements.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.