Providing versatile unit-mount installation, the JXD22B200L operates as a 2-pole, 200-amp molded case circuit breaker from Siemens. It utilizes a non-interchangeable thermal-magnetic trip unit to deliver dependable long-time and instantaneous (LI) protection. Unlike its bolt-on counterpart, this model includes factory-installed line and load lugs (TA2J6500), fitting individual enclosures, switchboards, and MCCs. It upgrades to the modern 3VA series using a retrofit kit.
Yes, the L suffix in the JXD22B200L catalog number indicates that it comes with factory-installed line and load lugs (TA2J6500). These lugs accept 3/0 AWG to 500 kcmil copper or aluminum wire.
What is the difference between the JXD22B200L and the JXD22B200?
The JXD22B200L is a unit-mount, feed-thru breaker that includes factory-installed lugs for use in individual enclosures. The JXD22B200 is a bolt-on breaker designed to mount directly to the bus in Siemens Sentron panelboards and switchboards, and it does not include lugs.
What types of equipment can this breaker be installed in?
This unit-mount JD frame breaker is designed for use in individual enclosures, switchboards, and motor control centers.
What does the LI trip function indicate on this breaker?
The LI designation means the thermal-magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits. It features a fixed thermal element and an adjustable magnetic trip setting to coordinate with motor inrush currents.
Can this breaker replace older I-T-E JD frame breakers?
Yes, the JXD22B200L is a direct replacement for older I-T-E and Siemens JD2 frame breakers with the same pole and amperage configuration.
Is there a modern equivalent to the JXD2 series?
Yes, Siemens is transitioning from legacy Sentron JD frames to the modern 3VA series. A retrofit kit is available to upgrade existing installations to the newer 3VA molded case circuit breakers.
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