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Square D QBP32090TM Molded Case Circuit Breaker
- 90A
- 3 Pole
- Unit Mount
Square D
QBP32090TM
Molded Case Circuit Breaker
Brand
Square D
SKU
QBP32090TM
Quantity
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Square D QBP32090TM - 90A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial applications, this 90A, 3-pole MCCB belongs to the Square D PowerPacT Q-Frame lineup. It provides essential overcurrent protection for 240V electrical systems requiring reliable branch circuitry. The unit-mount construction is specifically tailored for Square D Meter-Pak and EZ Meter-Pak metering centers. Facility managers can also use this model to seamlessly replace discontinued Q23090 breakers in existing setups. It features a 10kAIC interrupt capacity.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBP32090TM |
| Series | QBP |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Terminal Type | Stud/Tapped Pad |
|---|---|
| For Use With | Square D Meter-Pak Meter Centers, EZ Meter-Pak Meter 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Line Side Mounting Nuts/Washers |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, NOM-003-SCFI, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Tenant Main, 80% Rated |
Product FAQs
6 answersWhat metering equipment is the QBP32090TM designed to fit?
It is specifically engineered to integrate into Square D Meter-Pak and EZ Meter-Pak Meter Centers.
Is the QBP32090TM a suitable replacement for the discontinued Q23090?
Yes, this PowerPacT Q-Frame breaker serves as an exact, direct substitute for the legacy Q23090, simplifying retrofits and panel maintenance.
What are the higher-rated alternatives to the QBP32090TM if my system requires more than 10kAIC?
If your fault current study requires a higher interrupting capacity, you can use the QDP32090TM (25kAIC), QGP32090TM (65kAIC), or QJP32090TM (100kAIC). They share the same physical footprint and 90A rating but offer greater short-circuit protection.
How are conductors terminated on the QBP32090TM?
This unit-mount breaker utilizes a bolt-on connection with stud and tapped pad terminals. It accepts either aluminum or copper wire ranging from 4 AWG to 300 kcmil.
What type of protection does the LI trip function code provide on this breaker?
The LI designation indicates a thermal-magnetic trip unit providing Long-Time (L) protection against gradual overloads and Instantaneous (I) protection against severe short circuits. Both the thermal and magnetic trip points are fixed.
Is the QBP32090TM rated for 100 percent continuous operation?
No, like most standard molded case circuit breakers, it carries an 80 percent continuous current rating. Continuous loads should not exceed 72 amps (80 percent of its 90A nominal rating) for periods of three hours or more.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- SHSabine H.ReviewingSquare D QBP22150TM - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/1/23Breaker order
Wade was very helpful with the orders. Orders were confirmed quick and arrived as promised on time. Would order with SuperBreakers every time.
- JBJames B.ReviewingSquare D QBP22150TM - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/13/19owner
great price ; fast service