Engineered for industrial environments, the Square D JJP36200 is a 3-pole, 200A molded case circuit breaker from the PowerPacT J-Frame series. It delivers dependable long-time and instantaneous (LI) trip functions. This unit mount MCCB installs into Square D switchboards, motor control centers, and control panels. It is configured with terminal nuts on the line side and standard lugs on the load side. Rated for 65kAIC at 480VAC, it features a current-limiting design and adjustable trip.
What enclosures and panels are compatible with the JJP36200 circuit breaker?
This unit-mount breaker is designed for installation in Square D switchboards, motor control centers, industrial control panels, and standard J-Frame enclosures.
What does the JJP nomenclature indicate on this PowerPacT breaker?
The first J designates the J-Frame size. The second J indicates the interrupting rating, which provides 65kA at 480V. The P signifies a unit-mount configuration with terminal nuts on the line side and mechanical lugs on the load side.
What wire size and lug kit are standard for the JJP36200?
The load side of this breaker accepts 3/0 AWG to 350 kcmil aluminum or copper wire using the standard AL250JD mechanical lug kit. The line side utilizes terminal nuts for fixed busbar connections.
What is the recommended tightening torque for the AL250JD load lugs?
The AL250JD mechanical lugs require a tightening torque of 225 lb-in (25 to 26 N.m) for 3/0 AWG to 350 kcmil conductors. Always verify the exact torque requirements printed on the breaker faceplate prior to energizing.
Can the PowerPacT J-Frame replace older legacy Square D breakers?
Yes, PowerPacT J-Frame breakers are the documented replacement path for discontinued Square D KA and KAL molded-case circuit breakers. Upgrading from a KA or KAL frame will require specific mounting hardware or enclosure adapters.
How does the thermal-magnetic trip unit operate on the JJP36200?
The trip unit provides LI functions, meaning it has a fixed thermal element for Long-Time overload protection and an adjustable magnetic element for Instantaneous short-circuit protection.
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