Siemens B15000S01 Miniature Circuit Breaker
- 50A
- 1 Pole
- Bolt-On
Quantity
Siemens B15000S01 - 50A 1 Pole Miniature Circuit Breaker
New
Quantity
Description
Built for commercial and industrial applications, the Siemens B15000S01 is a 50A single-pole breaker. It integrates a factory-installed 120VAC shunt trip, enabling remote disconnection for emergency shutdowns or automated control systems. This B-frame unit mounts securely into Siemens P1, P2, and P3 panelboards. It accepts 8-6 AWG copper or 8-4 AWG aluminum conductors. Delivering a 10 kAIC rating at 120/240VAC, it utilizes fixed thermal and magnetic trip elements and is fully HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Series | B |
| Amperage | 50A |
| Poles | 1 |
| 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 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 Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
8 answersWhat does the S01 suffix in the B15000S01 catalog number indicate?
The S01 suffix indicates that this breaker includes a factory-installed 120VAC shunt trip. This allows the breaker to be opened remotely from a control circuit for emergency power-off or equipment interlocks.
What control voltage is required to operate the shunt trip on the B15000S01?
The integrated shunt trip coil requires a 120VAC control voltage to actuate the remote trip mechanism.
Can I add a shunt trip to a standard Siemens B150 breaker in the field?
No, shunt trips for this BL frame breaker must be factory-installed. If your application requires remote tripping capabilities, you must order a breaker with the shunt trip already integrated, such as the B15000S01.
Which panelboards are compatible with the Siemens B15000S01 circuit breaker?
This bolt-on breaker is designed for use in Siemens P1, P2, and P3 panelboards. Because it includes a factory-installed shunt trip, ensure your panel has the necessary wiring and space provisions for the 120VAC control circuit.
Is the B15000S01 a BL type circuit breaker?
Yes, the B15000S01 is part of the Siemens BL series of miniature circuit breakers. It features a standard BL frame footprint with a bolt-on connection for commercial panelboards.
Can the B15000S01 be used in load centers that require plug-on breakers?
No, this is a bolt-on circuit breaker designed for commercial panelboards like the Siemens P1, P2, and P3 series. It is not compatible with standard residential plug-on load centers.
What is the purpose of the instantaneous trip function on this breaker?
The instantaneous magnetic trip function is designed to open the circuit immediately in the event of a severe short circuit, protecting downstream wiring and equipment from catastrophic fault currents.
How does the thermal trip mechanism operate on the B15000S01?
The fixed thermal trip function provides long-time overcurrent protection. It uses a bimetallic strip that heats up and bends during sustained overload conditions, eventually tripping the breaker to prevent wire insulation damage.
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