Siemens B250HH00S01 Molded Case Circuit Breaker
- 50A
- 2 Pole
- Bolt-On
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Siemens B250HH00S01 - 50A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for advanced control applications, this 50A Siemens MCCB integrates standard overcurrent defense with remote operation. The 2-pole, 120/240VAC breaker is ideal for complex commercial and industrial setups. Featuring a secure bolt-on design, it mounts into Siemens P1, P2, and P3 panelboards. The unit accommodates 8-6 AWG copper or 8-4 AWG aluminum wiring via standard load side lugs. A factory-installed 120VAC shunt trip allows the breaker to be opened remotely for emergency shutdowns.Specifications
| Brand | Siemens |
|---|---|
| Series | B |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120/240VAC |
| Frame Type | B |
|---|---|
| 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 | Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs Included, Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
5 answersWhich panelboards are compatible with the Siemens B250HH00S01?
This B-frame bolt-on circuit breaker is designed specifically for installation in Siemens P1, P2, and P3 panelboards.
What does the S01 suffix in the B250HH00S01 catalog number mean?
The S01 suffix indicates that the breaker is equipped with a factory-installed 120VAC shunt trip, which allows the breaker to be tripped remotely for emergency shutdowns or automated control.
Can I use aluminum conductors with the B250HH00S01?
Yes, the factory lugs are dual-rated for both copper and aluminum wire. The accepted wire range is 8-6 AWG for copper and 8-4 AWG for aluminum.
Are the thermal-magnetic trip settings adjustable on this breaker?
No, the B250HH00S01 features a fixed thermal-magnetic trip unit. The long-time and instantaneous (LI) protection functions are factory-set and cannot be modified in the field.
What is the difference between a standard BL breaker and the B250HH00S01?
The B250HH00S01 is an HBL type breaker, which features a higher interrupting capacity of 65kAIC at 120/240VAC compared to standard 10kAIC BL breakers. Additionally, this specific model includes a factory-installed 120VAC shunt trip.
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