ABB / General ElectricTMQV32100
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ABB / General Electric TMQV32125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
ABB / General Electric
TMQV32125
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TMQV32125
Quantity
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ABB / General Electric TMQV32125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Rated 100kAIC at 240VAC, this 125-amp molded case circuit breaker delivers extra-high interrupting capacity for commercial systems. Manufactured by GE, it provides reliable thermal-magnetic protection for tenant main applications. The breaker bolts securely into GE Meter Mod III meter stacks and is the official replacement for the legacy TMQD32125. It features a non-interchangeable trip unit, is HACR rated for motor loads, and comes equipped with factory-installed load-side lugs.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TMQV32125 |
| Series | TMQV |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC |
| Frame Type | TMQV |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Meter Mod III Meter Stacks |
| Wire Gauge | #4 AWG - 4/0 AWG (Cu/Al) |
| Max Wire | 4/0 AWG |
| 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 | Lug Kits |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Tenant Main, Non-Interchangeable Trip, Extra High Interrupting Capacity |
Product FAQs
7 answersWhat equipment is the TMQV32125 breaker compatible with?
This bolt-on main breaker is specifically designed for use with GE Meter Mod III meter stacks. It serves as a tenant main disconnect for residential and light commercial modular metering centers.
Does the TMQV32125 replace any older GE circuit breakers?
Yes, this model is the direct replacement for the legacy TMQD32125 breaker. It upgrades commercial metering centers with modern reliability while maintaining the exact physical footprint for bolt-on installation.
What wire sizes and materials are accepted by the lugs on this breaker?
The factory-installed load-side lugs accept both copper and aluminum conductors ranging from #4 AWG to 4/0 AWG. Ensure proper torque specifications are followed during installation to maintain a secure connection.
What does the 100kAIC rating mean for this specific application?
The 100kAIC interrupting rating at 240V AC indicates the breaker can safely clear up to 100,000 amps of fault current. This extra-high interrupting capacity is often required for tenant main applications in multi-family or commercial metering stacks where high available fault currents are present.
Is this breaker suitable for use with heating and cooling equipment?
Yes, the TMQV32125 is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration motor loads.
Can the trip settings on the TMQV32125 be adjusted?
No, this breaker features a non-interchangeable thermal magnetic trip unit with fixed long-time and instantaneous (LI) trip functions.
What safety precautions should be taken when installing this tenant main breaker?
Installation must be performed by a qualified electrician. Ensure the main power to the GE Meter Mod III stack is completely de-energized and verified with a reliable voltage tester before bolting the breaker to the busbars.
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