Siemens BG3B030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Siemens
BG3B030
Molded Case Circuit Breaker
Brand
Siemens
SKU
BG3B030
Quantity
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Siemens BG3B030 - 30A 3 Pole Molded Case Circuit Breaker
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30A 3 Pole Molded Case Circuit Breaker
30A 3 Pole Molded Case Circuit Breaker
Description
Rated for 30A at 120/240VAC, the Siemens BG3B030 is a 3-pole bolt-on MCCB tailored for demanding environments. It incorporates a switching neutral function, utilizing one of its poles to completely isolate the neutral wire along with the active phases. Designed to fit standard Siemens panelboards, this breaker provides a secure connection for stable power distribution. It is replaced by the BQ3B030 model for newer upgrades and utilizes thermal-magnetic technology for rapid short-circuit defense.Specifications
| Brand | Siemens |
|---|---|
| Series | BG |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 120/240VAC |
| 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
5 answersWhich panelboards accept the Siemens BG3B030 circuit breaker?
This bolt-on breaker is designed specifically for installation in Siemens panelboards configured to accept BQ frame components.
Is the BG3B030 a suitable replacement for older Siemens breakers?
Yes, the BG3B030 is the designated direct replacement for the legacy Siemens BG330 molded case circuit breaker.
What are the acceptable wire sizes for the terminal lugs on this breaker?
The lugs are designed to accept conductor sizes ranging from 14 AWG to 6 AWG and are compatible with both copper and aluminum wiring.
What is the ambient operating temperature range for this breaker?
This thermal-magnetic circuit breaker is rated for operation in environments with temperatures ranging from -25 to 70 degrees Celsius, or -13 to 158 degrees Fahrenheit.
What type of fault protection does the BG3B030 provide?
The breaker features a fixed thermal-magnetic trip unit that delivers long-time protection against continuous overloads and an instantaneous trip function to clear short-circuit faults.
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