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Siemens B2110H Miniature Circuit Breaker
- 110A
- 2 Pole
- Bolt-On
Siemens
B2110H
Miniature Circuit Breaker
Brand
Siemens
SKU
B2110H
Quantity
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Siemens B2110H - 110A 2 Pole Miniature Circuit Breaker
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Quantity
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Description
Built for commercial and industrial applications, the Siemens B2110H delivers 110A of thermal-magnetic protection. This two-pole breaker is part of the BL series, offering robust performance for demanding electrical distribution systems. The unit installs into Siemens P1, P2, P3, P4, and P5 panelboards using a secure bolt-on connection. It accepts 2-1/0 AWG copper or aluminum wiring via standard lug terminals.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B2110H |
| Series | B |
| Amperage | 110A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 2-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 2 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
6 answersIs the B2110H compatible with standard residential load centers?
No, the B2110H features a bolt-on mounting design intended specifically for Siemens commercial panelboards, including the P1, P2, P3, P4, and P5 series. It will not fit in standard plug-on residential load centers.
What does the H in the B2110H catalog number signify?
The H indicates that this is a BLH type breaker with a high interrupting rating. It provides 22kA of fault current protection at 120/240VAC, which is higher than standard 10kA versions.
Can I use aluminum wire with the B2110H breaker?
Yes, the factory installed lugs on this breaker are dual rated for both copper and aluminum conductors. They accept wire sizes ranging from 2 AWG to 1/0 AWG.
What does the LI trip function code mean for this breaker?
The LI designation means this thermal magnetic breaker provides Long-Time protection against gradual overloads and Instantaneous protection against severe short circuits. Both the thermal and magnetic trip points are fixed.
Is the Siemens B2110H approved for use with HVAC equipment?
Yes, this breaker is HACR rated, meaning it has been tested and approved for safe use with heating, air conditioning, and refrigeration equipment.
What breaker family does the B2110H belong to?
The B2110H is part of the Siemens BL series of miniature circuit breakers. Specifically, it is a BLH type breaker, which denotes its bolt-on mounting and 22kA interrupting capacity.
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