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Square D QGP22150TM Molded Case Circuit Breaker
- 150A
- 2 Pole
- Bolt-On
Square D
QGP22150TM
Molded Case Circuit Breaker
Brand
Square D
SKU
QGP22150TM
Quantity
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Square D QGP22150TM - 150A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial applications, the Square D QGP22150TM is a 2-pole, 150A molded case circuit breaker. It provides reliable thermal-magnetic overcurrent protection for demanding distribution systems. This bolt-on MCCB installs into Square D EZ Meter-Pak metering centers. It accepts 4 AWG to 300 kcmil wiring, utilizing standard lug terminals for secure load-side connections. Rated at 65 kAIC at 240V, this Q-Frame breaker features a Visi-Trip indicator and is fully HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGP22150TM |
| Series | QGP |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | QGP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Meter-Pak Metering Centers |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line Side Terminal Nuts, Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, 80% Rated, Non-Interchangeable Trip, Mercury Free, PVC Free |
Product FAQs
7 answersWhat equipment is the QGP22150TM circuit breaker designed to fit?
This unit-mount breaker is specifically designed for use in Square D EZ Meter-Pak metering centers, including 225A MPL lever bypass metering equipment.
What does the letter G in the QGP22150TM part number indicate?
The letter G designates the interrupting rating tier within the Square D Q-Frame family. A QGP breaker provides a 65kA interrupting rating at 240V AC. Other tiers in this family include QBP (10kA), QDP (25kA), and QJP (100kA).
How is the QGP22150TM wired and mounted during installation?
This unit-mount breaker features a line-side terminal nut configuration for bolting directly to bus studs in Meter-Pak centers. The load side is equipped with mechanical lugs that accept 4 AWG to 300 kcmil aluminum or copper conductors.
Where can I find the correct torque specifications for the load lugs?
Torque specifications are printed directly on the breaker faceplate label. Always use a calibrated torque tool during installation to ensure safe and code-compliant connections, preventing thermal issues caused by loose wiring.
Can I substitute a QDP22150TM or QJP22150TM for this breaker?
Yes, provided the interrupting rating meets or exceeds your system available fault current. The QDP version has a lower rating of 25kA, while the QJP version offers a higher rating of 100kA compared to the 65kA rating of the QGP. Always verify fault current requirements with a licensed professional before substituting.
What type of trip unit is installed in the QGP22150TM?
It features a non-interchangeable, fixed thermal-magnetic trip unit. This provides standard LI (Long-Time and Instantaneous) protection, meaning the thermal element protects against gradual overloads while the magnetic element responds immediately to short circuits.
Is this breaker compatible with Square D I-Line panelboards?
No. The QGP22150TM is a unit-mount, bolt-on breaker designed for metering centers and individual enclosures. It lacks the plug-on jaw connections required for installation in I-Line panelboards.
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