Built to handle heavy electrical loads, the Square D QDP32150TM is a 150A, 3-pole molded case circuit breaker. Operating at 240VAC, this Q-Frame device utilizes fixed thermal-magnetic trip elements to safeguard commercial distribution systems. Designed for secure bolt-on installation, it fits seamlessly into EZ Meter-Pak meter centers and standard panelboards. It also replaces discontinued Q23150 units. Rated at 25kAIC, it features a Visi-Trip indicator and accepts 4 AWG to 300 kcmil wiring.
CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489
Approval
CSA, IEC, NOM, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Visual Trip Indicator
Product FAQs
7 answers
Which obsolete Square D circuit breaker does the QDP32150TM replace?
The QDP32150TM serves as a direct replacement for the discontinued Q23150 circuit breaker.
What types of equipment is this Q-Frame breaker designed to fit?
This breaker is compatible with Square D EZ Meter-Pak meter centers, as well as standard panelboards and switchboards that accept Q-Frame bolt-on breakers.
Is the QDP32150TM suitable for I-Line panelboards?
No, this is a bolt-on unit mount breaker. It cannot be used in I-Line panelboards, which require breakers with specialized plug-on jaw connections.
What type of connections are required for installing this breaker?
The QDP32150TM is a unit mount breaker that uses a bolt-on configuration. It features stud and tapped pad terminals for secure mechanical connections to the busbar or cabling.
What do the LI trip functions indicate on this breaker?
The LI designation means the thermal-magnetic trip unit provides Long-Time overload protection and Instantaneous short-circuit protection. Both settings are fixed and cannot be adjusted in the field.
What does the 25kAIC rating mean for system safety?
The 25kAIC rating indicates the breaker can safely interrupt up to 25,000 amps of fault current at 240VAC without sustaining internal damage or causing a safety hazard outside the casing.
Does this breaker include a visual trip indicator?
Yes, this PowerPacT Q-Frame breaker features a visual trip indicator that provides clear confirmation when the breaker has tripped due to an overcurrent or short-circuit event.
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