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Siemens B210 Molded Case Circuit Breaker
- 10A
- 2 Pole
- Bolt-On
Siemens
B210
Molded Case Circuit Breaker
Brand
Siemens
SKU
B210
Quantity
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Siemens B210 - 10A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial power distribution, the Siemens B210 is a 2-pole, 10A molded case circuit breaker. It provides thermal-magnetic protection with long-time and instantaneous trip functions for reliable circuit defense. This bolt-on MCCB installs into Siemens P1, P2, P3, P4, and P5 panelboards. It features a compact BL frame design and accepts 14-10 AWG copper or 12-10 AWG aluminum wiring via standard lug terminals. Rated for 10kAIC at 120/240VAC, it is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Series | B |
| Amperage | 10A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, Reverse Feed, Trip-Free Mechanism |
Product FAQs
5 answersWhich panelboards accept the Siemens B210 circuit breaker?
The B210 is a Type BL bolt-on breaker engineered specifically for Siemens P1, P2, P3, P4, and P5 series panelboards. It is not designed for standard residential plug-on load centers.
Does the B210 snap into place or require hardware to install?
This is a bolt-on circuit breaker. It must be secured directly to the panelboard bus bar using screws, which ensures a highly stable connection typical in commercial and industrial electrical systems.
What are the acceptable wire sizes for the B210 terminals?
The breaker lugs accommodate 14 to 10 AWG for copper conductors and 12 to 10 AWG for aluminum conductors.
Is the Siemens B210 a suitable replacement for legacy ITE breakers?
Yes. Siemens acquired ITE, and modern Siemens Type BL breakers like the B210 serve as direct, backward-compatible replacements for the equivalent vintage ITE bolt-on models.
How does the thermal-magnetic trip unit in the B210 function?
The fixed thermal-magnetic mechanism provides dual protection. The thermal component responds to prolonged overloads with a long-time delay, while the magnetic component provides instantaneous tripping during severe short circuits.
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