Square D QDM32225TN Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Square D
QDM32225TN
Molded Case Circuit Breaker
Brand
Square D
SKU
QDM32225TN
Quantity
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Square D QDM32225TN - 225A 3 Pole Molded Case Circuit Breaker
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Description
Providing robust electrical protection, the Square D QDM32225TN is a 225A, three-pole molded case circuit breaker. It belongs to the PowerPacT Q-Frame series, offering fixed long-time and instantaneous trip functions. The bolt-on configuration allows for secure mounting into Square D panelboards, switchboards, and EZ Meter-Pak centers. It replaces discontinued Q23225 breakers. With a 25 kAIC rating at 240VAC, the unit includes a Visi-Trip visual indicator and load-side terminal nuts.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDM32225TN |
| Series | QDM |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDM |
|---|---|
| Terminal Type | Stud/Tapped Pad |
| For Use With | EZ Meter-Pak Meter Centers, 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment, Terminal Nut Kit |
|---|---|
| Accessories | Terminal Nuts (Load Side) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
8 answersWhat equipment is the QDM32225TN compatible with?
This Q-Frame breaker is designed for installation in Square D EZ Meter-Pak Meter Centers, as well as compatible unit-mount panelboards and switchboards.
What wire sizes are accepted by the terminals on this breaker?
The lugs accommodate aluminum or copper conductors ranging from 4 AWG to 300 kcmil.
What does the LI trip function code indicate?
LI stands for Long-Time and Instantaneous. The long-time function provides thermal protection against sustained overloads, while the instantaneous magnetic function trips the breaker immediately during a short circuit.
Can the trip thresholds be adjusted on the QDM32225TN?
No, this breaker features a fixed thermal-magnetic trip unit. The long-time and instantaneous trip settings are factory-calibrated and cannot be modified in the field.
What does the TN suffix mean in the QDM32225TN catalog number?
The TN suffix designates the terminal configuration. It indicates that the breaker is equipped with mounting studs on the OFF end (without nuts or washers) for bus connections, rather than standard cable lugs on both ends.
What is the difference between Square D QDM and QDA circuit breakers?
QDM breakers are unit-mount devices designed to bolt onto busbars in meter centers, standard panelboards, or switchboards. QDA breakers feature a specialized plug-on jaw configuration exclusively for use in Square D I-Line panelboards.
Can I use this breaker in an I-Line panelboard?
No, the QDM32225TN is a bolt-on, unit-mount breaker. I-Line panelboards require breakers with an I-Line plug-on jaw configuration, such as the QDA series.
Does this breaker include integrated ground fault protection?
No, the QDM32225TN provides standard thermal-magnetic overcurrent and short-circuit protection. It does not feature built-in equipment ground fault protection (LSIG) or personnel ground fault circuit interruption (GFCI).
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