Siemens BG2B015 Molded Case Circuit Breaker
- 15A
- 2 Pole
- Bolt-On
Siemens
BG2B015
Molded Case Circuit Breaker
Brand
Siemens
SKU
BG2B015
Quantity
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Siemens BG2B015 - 15A 2 Pole Molded Case Circuit Breaker
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15A 2 Pole Molded Case Circuit Breaker
15A 2 Pole Molded Case Circuit Breaker
Description
Part of the Sentron series, this 15A molded case circuit breaker delivers robust thermal-magnetic protection for commercial and industrial applications. It is engineered to handle demanding electrical loads while ensuring precise trip responses. The unit mounts securely into standard Siemens panelboards via a sturdy bolt-on connection. It also serves as a substitute for the legacy BQ2B015, making it an excellent choice for facility upgrades.Specifications
| Brand | Siemens |
|---|---|
| Series | BG |
| Amperage | 15A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards |
| Wire Gauge | 14-6 AWG (Cu/Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Switching Neutral, HACR Rated, Common Trip |
Product FAQs
6 answersWhat is the primary application for the Siemens BG2B015 circuit breaker?
The BG2B015 is a switched neutral circuit breaker. It is commonly used in applications like gas pumps and fuel dispensers where safety regulations require both the hot and neutral conductors to be disconnected simultaneously.
What is the difference between the Siemens BG and BQ series breakers?
Both belong to the same physical BQ frame family and share identical bolt-on mounting dimensions. However, the BG series designates a switched neutral breaker used for specialized 120V applications, whereas the standard BQ series is used for typical 120/240V branch circuits.
Why is this 2-pole breaker rated for 120V instead of 240V?
Because it is a switched neutral breaker, one pole is dedicated to the ungrounded hot conductor and the other to the grounded neutral conductor of a single 120V circuit. It is not designed to supply 240V across two hot legs.
Can the Siemens BG2B015 replace older legacy breakers?
Yes, this breaker serves as a direct substitute for the legacy Siemens or ITE BQ2B015, and is also known by the alternate catalog number ITE BG2B015. It features the same bolt-on mounting design for standard Siemens panelboards.
How does the BG2B015 connect to the panelboard?
It utilizes a bolt-on connection, securing directly to the busbar of compatible Siemens panelboards. This provides a robust, vibration-resistant connection suitable for commercial and industrial environments.
What type of trip mechanism does the BG2B015 use?
It features a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) functions. The thermal element protects against prolonged overloads, while the magnetic element trips instantly during severe short circuits.
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