Built for commercial applications, the Square D QBL22200 is a 2-pole, 200A molded case circuit breaker from the PowerPacT Q-Frame family. It provides dependable overcurrent protection for heavy-duty systems. This unit-mount breaker features a lug-to-lug connection, making it ideal for individual enclosures and switchboards. It also serves as a drop-in replacement for discontinued Q22200 breakers.
What is the required tightening torque for the lugs on the QBL22200?
The line and load terminals require a tightening torque of 247.8 lbf.in (28 N.m). The lugs are designed to securely terminate 4 AWG to 300 kcmil aluminum or copper conductors.
What are the physical dimensions of this circuit breaker?
This 2-pole PowerPacT Q-Frame breaker measures 6.47 inches high, 3.00 inches wide, and 3.93 inches deep.
Can the QBL22200 be installed in an individual enclosure?
Yes, it can be mounted in an individual enclosure as a standalone disconnect, or installed directly into compatible panelboards and switchboards as a main or sub-feed breaker. Compatible Square D enclosures include the Q22200NS for indoor applications and the Q22200NRB for NEMA 3R outdoor environments.
How does this breaker connect to the electrical system?
The QBL22200 is a unit-mount circuit breaker. It utilizes a feed-thru connection with mechanical lugs on both the line and load sides rather than plugging directly onto a panelboard busbar.
Can the trip settings on the QBL22200 be adjusted?
No, the thermal magnetic trip unit has fixed long-time and instantaneous (LI) trip settings. The internal trip characteristics are factory set and cannot be modified in the field.
Does this breaker include a manual trip feature?
Yes, it features an integral push-to-trip button on the front cover, allowing electricians to manually trip the mechanism and verify correct mechanical operation prior to servicing.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 14 reviews.