A high-capacity solution for metering centers, the Square D QBP22150TM is a 150A, 2-pole molded case circuit breaker. It utilizes fixed thermal-magnetic trip technology to provide dependable protection with a 10kAIC rating at 240VAC. This unit mount breaker is engineered to fit Square D Meter-Pak and EZ Meter-Pak enclosures. It can also be used to replace the older Q22150 model. The Q-Frame breaker features a Visi-Trip indicator for rapid fault detection and comes complete with load side lugs.
What equipment is the QBP22150TM designed to be installed in?
This breaker is primarily used as a tenant main circuit breaker in Square D EZ Meter-Pak and standard Meter-Pak multi-metering centers that accept 225A maximum branch units.
What type of terminal connections does the QBP22150TM feature?
This breaker features a specialized connection configuration. The line side (ON end) uses 1/4-20 studs with terminal nuts, while the load side (OFF end) is equipped with standard mechanical wire lugs.
What is the recommended tightening torque for the load side lugs?
The load side wire lugs should be torqued to 247.8 lb-in (28 N.m) for proper installation.
What is the recommended wire stripping length for the load terminals?
The recommended wire stripping length for the load side lugs is 0.9 inches.
What legacy circuit breaker does the QBP22150TM replace?
The QBP22150TM is a direct replacement for the obsolete Square D Q2M2150 tenant circuit breaker.
What is the difference between the QBP22150TM and the QDP22150TM?
The difference is the short circuit interrupting rating. The QBP series is rated for 10 kAIC at 240VAC, while the QDP series offers a higher 25 kAIC rating. Both share the same physical dimensions and PowerPacT Q-frame footprint.
What are the magnetic trip and hold currents for this breaker?
The QBP22150TM has a fixed magnetic hold current of 1200A and a magnetic tripping current of 2400A.
Is the QBP22150TM rated for 80 percent or 100 percent continuous current?
This breaker carries a standard 80 percent continuous current rating.
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Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.