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Siemens LGB1B020B Molded Case Circuit Breaker
- 20A
- 1 Pole
- Bolt-On
Siemens
LGB1B020B
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGB1B020B
Quantity
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Siemens LGB1B020B - 20A 1 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens LGB1B020B - 20A 1 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | LGB1B020B |
| Series | LGB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | LGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, HID Rated, Trip-Free Mechanism, Non-Interchangeable Trip |
Quantity
Siemens LGB1B020B - 20A 1 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Series | LGB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | LGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, HID Rated, Trip-Free Mechanism, Non-Interchangeable Trip |
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Description
Part of the Sentron GB frame family, this 20-amp molded case breaker provides essential long-time and instantaneous protection for commercial facilities. The robust construction guarantees dependable performance under demanding electrical loads. Designed specifically for bolt-on applications, it fits seamlessly into Siemens P1, P2, and P3 panelboards. Facility managers can also use the newer 3VA41 series as a substitute when upgrading. It boasts a 65kA interrupting capacity at 277VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGB1B020B |
| Series | LGB |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | LGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, HID Rated, Trip-Free Mechanism, Non-Interchangeable Trip |
Product FAQs
5 answersWhat Siemens panelboards are compatible with the LGB1B020B?
This Sentron series bolt-on breaker is designed for direct installation into Siemens P1, P2, and P3 distribution and lighting panelboards.
Can this LGB frame breaker be used in direct current applications?
Yes, this single pole breaker carries a DC rating of 125VDC with an interrupting capacity of 14kA, making it suitable for specific direct current circuits alongside its standard AC applications.
What wire sizes are accepted by the factory lugs?
The mechanical lugs on this unit accept 14 to 6 AWG copper conductors or 12 to 6 AWG aluminum conductors. Ensure proper torque values are applied during termination.
What is the short circuit interrupting capacity for 277V lighting circuits?
When utilized on a 277V AC system, this breaker provides a high interrupting rating of 65kAIC. If applied to standard 120V AC circuits, the rating is 100kAIC.
Are the trip settings adjustable on this molded case breaker?
No, the thermal magnetic trip unit is completely fixed. It offers non-adjustable long-time and instantaneous protection for standard overcurrent and short circuit events.
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