ABB / General Electric TMQC32150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Bolt-On
Quantity
ABB / General Electric TMQC32150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Constructed for heavy-duty applications, this 3-pole, 150A molded case circuit breaker from GE provides long-time and instantaneous thermal-magnetic protection. This bolt-on unit is engineered to fit into GE Meter Mod III modular metering stacks. It functions as a reliable tenant main for commercial multi-metering setups. Delivering a 42kAIC interrupting rating at 240VAC, it ensures robust fault clearing. The unit features a non-interchangeable trip and is HACR rated.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | TMQC |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC |
| Frame Type | TMQC |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Meter Mod III Modular Metering Stacks |
| Wire Gauge | 6 AWG - 4/0 AWG (Cu/Al) |
| Max Wire | 4/0 AWG |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Lug Kit, Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Lugs Not Included |
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Tenant Main, Non-Interchangeable Trip, HACR Rated, High Interrupting Capacity |
Product FAQs
7 answersWhat equipment is the TMQC32150 circuit breaker designed to fit?
This breaker is primarily designed for use as a tenant main circuit breaker in GE Meter Mod III modular metering stacks, specifically fitting 200A or 225A 3-pole meter sockets.
Do I need to purchase separate lugs for the TMQC32150?
No, this breaker comes with factory-installed mechanical lugs that accept 6 AWG through 4/0 AWG copper or aluminum wire.
Is the 42kAIC rating on the TMQC32150 sufficient for commercial metering?
Yes, the 42,000 amp interrupting capacity at 240VAC is specifically designed to handle the higher fault currents typically found in commercial multi-tenant buildings using Meter Mod III stacks.
Does this breaker plug in or bolt on to the meter stack bus?
The TMQC32150 requires a bolt-on connection. It must be securely bolted directly to the internal buswork of the GE Meter Mod III stack to ensure a safe, high-amperage connection.
Are the trip settings adjustable on the TMQC32150?
No, this breaker uses a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit (LI) functions are factory set and cannot be adjusted in the field.
Can the TMQC32150 replace older GE tenant main breakers?
Yes, the TMQC frame is designed to replace older 150A, 3-pole tenant main breakers in GE Meter Mod III commercial meter stacks, as long as the 42kAIC rating meets your current system fault requirements.
What safety precautions are required when installing this tenant main breaker?
Ensure the main power to the Meter Mod III stack is completely de-energized before bolting the breaker to the bus. Verify that the 42kAIC rating meets or exceeds the available fault current at the installation point to prevent equipment failure during a short circuit.
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