Built to handle demanding electrical loads, the Square D KDL32200 is a 3-pole, 200A molded case circuit breaker. It delivers a 25kAIC interrupting rating at 240VAC for commercial and industrial facilities. This unit mount breaker features feed-thru lug connections and installs into Square D switchboards, enclosures, and 3-phase QO load centers. It can be used as a replacement for QDL32200. The breaker utilizes a thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings.
Is the Square D KDL32200 still manufactured, or is there a direct replacement?
The KDL32200 is a legacy K-frame circuit breaker that is no longer in active production. The Square D QDL32200 is commonly used as a modern replacement for 240V applications, but you must verify mounting compatibility in your specific panelboard or switchboard.
What wire sizes are accepted by the lugs on the KDL32200?
The factory-installed feed-thru lugs accept either copper or aluminum conductors ranging from 6 AWG up to 350 kcmil. Ensure proper torque specifications are followed during installation.
Which panelboards and enclosures accept the KDL32200 breaker?
This unit-mount breaker is compatible with Square D QO 3-phase load centers, standard Square D enclosures, and commercial switchboards designed for K-frame or Q-frame unit-mount breakers.
How does the trip unit operate on the KDL32200?
It features a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. The thermal element provides fixed overload protection, while the magnetic element is adjustable to allow fine-tuning for specific motor or equipment inrush currents.
Can the KDL32200 be used on 480V or 600V electrical systems?
No. This breaker is strictly rated for a maximum of 240VAC with an interrupting capacity of 25kA. For 480V or 600V applications, a different frame class, such as a PowerPact J-frame or H-frame, is required.
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