Square D QDM22175TN Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Square D
QDM22175TN
Molded Case Circuit Breaker
Brand
Square D
SKU
QDM22175TN
Quantity
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Square D QDM22175TN - 175A 2 Pole Molded Case Circuit Breaker
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175A 2 Pole Molded Case Circuit Breaker
175A 2 Pole Molded Case Circuit Breaker
175A 2 Pole Molded Case Circuit Breaker
Description
Designed to handle 175A loads, the QDM22175TN provides essential long-time and instantaneous protection for complex commercial electrical networks. This high-capacity MCCB belongs to the Square D PowerPacT family. This unit-mount breaker fits EZ Meter-Pak enclosures and metering equipment. It serves as a seamless cross-reference for the legacy Q22175. With a robust 25 kAIC rating at 240VAC, the two-pole device includes a Visi-Trip visual indicator and load-side terminal nuts.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDM22175TN |
| Series | QDM |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDM |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| For Use With | EZ Meter-Pak Meter Centers, Metering Equipment, Panelboards, Switchboards |
| 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, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Terminal Nut Kit (Load Side) |
| Standards | 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
6 answersWhat equipment is the QDM22175TN circuit breaker designed to be installed in?
This 2-pole breaker is compatible with Square D EZ Meter-Pak meter centers, as well as select metering equipment, panelboards, and switchboards that accept PowerPacT Q-Frame unit-mount breakers.
Does the QDM22175TN require a specific mounting configuration?
Yes, it requires a unit-mount, bolt-on setup with stud or tapped pad connections. It is not compatible with I-Line or standard plug-on load centers.
Can I use the QDM22175TN to replace an older Square D 175A breaker?
Yes, this PowerPacT Q-frame breaker serves as a direct drop-in replacement for discontinued legacy Square D Q22175 series breakers used in commercial metering and distribution equipment.
Is the QDM22175TN suitable for 208Y/120V commercial systems?
Yes, while it has a maximum rating of 240VAC, it is fully compatible with 208Y/120V and 120V AC electrical systems.
Are the terminals on the QDM22175TN rated for aluminum wiring?
Yes, the terminals are dual-rated for both aluminum and copper conductors, accepting wire gauges from 4 AWG to 300 kcmil.
How does the trip mechanism on the QDM22175TN operate?
It uses a thermal-magnetic trip unit with fixed long-time and instantaneous functions, providing reliable protection against both sustained overloads and sudden short circuits.
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