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Siemens BG220 Molded Case Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
Siemens
BG220
Molded Case Circuit Breaker
Brand
Siemens
SKU
BG220
Quantity
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Siemens BG220 - 20A 2 Pole Molded Case Circuit Breaker
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20A 2 Pole Molded Case Circuit Breaker
20A 2 Pole Molded Case Circuit Breaker
Description
Designed for specialized 120VAC circuits, the Siemens BG220 is a 2-pole, 20A molded case circuit breaker. It incorporates a switching neutral feature that disconnects both hot and neutral conductors during a fault, providing 10kAIC of protection. This bolt-on breaker installs into standard Siemens panelboards. It serves as the official replacement for the discontinued BG2B020 model, maintaining support for legacy systems. The unit includes a common trip mechanism and is fully HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | BG220 |
| Series | BG |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | B |
|---|---|
| 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 answersWhat panelboards accept the Siemens BG220 circuit breaker?
The BG220 is a bolt-on breaker designed for installation in standard Siemens panelboards that accept BG frame circuit breakers.
What is the direct replacement for the discontinued Siemens BG2B020?
The Siemens BG220 serves as the official replacement for the legacy BG2B020 model, maintaining support for existing panelboard installations.
How is the switching neutral feature wired on the BG220?
The neutral pole of the circuit breaker does not connect to the load center bus. Instead, one side is wired directly to the neutral and the other side to the device. This allows the breaker to disconnect both the hot and neutral conductors simultaneously during a fault.
Is the Siemens BG220 suitable for HVAC applications?
Yes, the BG220 is fully HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
Does the BG220 utilize a common trip mechanism?
Yes, it features a 2-wire common trip mechanism. This ensures that both the hot and neutral poles trip simultaneously when an overcurrent or short circuit is detected on either side.
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