Siemens B250H00S01 Miniature Circuit Breaker
- 50A
- 2 Pole
- Bolt-On
Quantity
Siemens B250H00S01 - 50A 2 Pole Miniature Circuit Breaker
New
Quantity
Description
Built for commercial and industrial applications, the Siemens B250H00S01 is a 50-amp, two-pole miniature circuit breaker. It features a factory-installed 120VAC shunt trip, allowing the breaker to be opened remotely for emergency shutdowns or automated control systems. This B-frame breaker mounts into Siemens P1, P2, and P3 panelboards using a secure bolt-on connection. Rated at 22kAIC at 120/240V, it delivers reliable thermal-magnetic protection and is fully HACR rated for HVAC equipment.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B250H00S01 |
| Series | B |
| Amperage | 50A |
| 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 Panelboards |
| Wire Gauge | 8-6 AWG (Cu), 8-4 AWG (Al) |
| Max Wire | 6 AWG (Cu), 4 AWG (Al) |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included, Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens B250H00S01 circuit breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 panelboards.
What does the 00S01 suffix indicate on this Siemens breaker?
The 00S01 suffix designates a factory-installed 120V AC shunt trip. This accessory allows the breaker to be tripped remotely for emergency shutdown or automated control applications.
What wire sizes are accepted by the lugs on the B250H00S01?
The load side lugs accept 8 AWG to 6 AWG copper conductors, or 8 AWG to 4 AWG aluminum conductors.
What type of trip unit is equipped on the B250H00S01?
It features a fixed thermal-magnetic trip unit providing long-time and instantaneous (LI) protection against overloads and short circuits.
What is the difference between a standard BL breaker and this BLH type?
The BLH designation indicates a higher interrupting capacity. While standard BL breakers are typically rated at 10kAIC, this BLH breaker is rated for 22kAIC at 240V.
How does the B250H00S01 mount into the panelboard?
It utilizes a bolt-on connection to secure directly to the panelboard bus. This provides a rigid, reliable electrical connection preferred in commercial and industrial distribution systems.
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