Square D QDM22110TN Molded Case Circuit Breaker
- 110A
- 2 Pole
- Bolt-On
Quantity
Square D QDM22110TN - 110A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Utilizing a robust bolt-on configuration, the QDM22110TN ensures secure connections in commercial environments. This 110A MCCB provides essential long-time and instantaneous fault protection. Manufactured with stud terminals, it integrates into Square D EZ Meter-Pak meter centers. It also serves as an exact replacement for discontinued Q22110 legacy breakers. Rated for 25kAic at 240V, the breaker includes a Visi-Trip indicator to help electricians quickly locate tripped circuits.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDM22110TN |
| Series | QDM |
| Amperage | 110A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| 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, 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 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, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
7 answersWhat legacy circuit breaker does the QDM22110TN replace?
This PowerPacT Q-Frame breaker serves as a direct replacement for the discontinued Square D Q22110 legacy circuit breaker.
What does the TN suffix indicate on the QDM22110TN?
The TN suffix specifies the terminal configuration. It indicates the breaker has threaded studs on the OFF (load) end without nuts or washers, and standard box lugs on the ON (line) end.
What equipment is compatible with this Q-Frame breaker?
It is engineered for bolt-on installation in Square D EZ Meter-Pak meter centers, as well as compatible panelboards and switchboards.
How does the trip indicator function on this breaker?
It features a Visi-Trip indicator that provides a clear visual cue when the breaker has tripped, allowing electricians to quickly identify faulted circuits in a panel.
What conductor materials are permitted for the line side lugs?
The line side box lugs are rated for both aluminum and copper conductors ranging from 4 AWG to 300 kcmil.
How does the thermal-magnetic trip unit operate on this model?
The fixed thermal-magnetic trip unit provides long-time protection against gradual overloads and instantaneous protection against short circuits. Internal cross-bars ensure both poles open simultaneously when a fault is detected.
Is the QDM22110TN suitable for HVAC applications?
Yes, this circuit breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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