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Square D Q2M2100MB Molded Case Circuit Breaker
- 100A
- 2 Pole
- Bolt-On
Square D
Q2M2100MB
Molded Case Circuit Breaker
Brand
Square D
SKU
Q2M2100MB
Quantity
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Square D Q2M2100MB - 100A 2 Pole Molded Case Circuit Breaker
New
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Square D Q2M2100MB - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | Q2M |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q2M |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Meter-Pak, EZM Metering, NQOD Panelboards |
| 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 |
|---|---|
| Accessories | Line Side Lugs Included, Mounting Hardware |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Bottom Mounting, Main Breaker |
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Square D Q2M2100MB - 100A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | Q2M |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q2M |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Meter-Pak, EZM Metering, NQOD Panelboards |
| 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 |
|---|---|
| Accessories | Line Side Lugs Included, Mounting Hardware |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Bottom Mounting, Main Breaker |
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Description
Configured specifically for bottom mounting, this 100A main breaker includes line side studs and load side lugs for specialized commercial installations. It integrates perfectly into Square D Meter-Pak, EZM metering, and NQOD panelboards. Facility engineers rely on this Q2M series component to maintain existing infrastructure, noting its eventual replacement by the QBM22100TN. The non-interchangeable trip design delivers consistent 10kAIC fault protection.Specifications
| Brand | Square D |
|---|---|
| Series | Q2M |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q2M |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Meter-Pak, EZM Metering, NQOD Panelboards |
| 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 |
|---|---|
| Accessories | Line Side Lugs Included, Mounting Hardware |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Bottom Mounting, Main Breaker |
Product FAQs
5 answersWhich Square D enclosures accept the Q2M2100MB circuit breaker?
This legacy Q Frame breaker is specifically designed to mount into Square D Meter-Pak, EZM Metering centers, and NQOD panelboards.
How is the Q2M2100MB oriented and connected during installation?
This model is configured for bottom mounting as a main breaker. It utilizes a bolt-on connection and is equipped with line side studs and load side lugs.
What is the modern replacement for the obsolete Q2M2100MB?
Square D has replaced this legacy Q2M series breaker with the QBM22100TN for current applications.
What are the acceptable wire sizes and materials for the load side lugs?
The integrated lugs accommodate both aluminum and copper conductors ranging from 4 AWG up to 300 kcmil.
Can the trip settings on this breaker be adjusted in the field?
No, this breaker features a fixed thermal magnetic trip unit. The long time and instantaneous protection settings are non-interchangeable and cannot be adjusted.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 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
1 review
- VGVern G.Verified BuyerReviewingSquare D Q2M3200MT - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/4/26Good breaker. No problems. Direct replacement.
Superbreakers was great to work with. The salesman checked and didn't have the breaker I was looking for, but found one at another location, had it shipped to me next day air, and it worked out great. Glad to see this type of customer service. I will call on them again when needed.