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Siemens B28000S01 Molded Case Circuit Breaker
- 80A
- 2 Pole
- Bolt-On
Siemens
B28000S01
Molded Case Circuit Breaker
Brand
Siemens
SKU
B28000S01
Quantity
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Siemens B28000S01 - 80A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial distribution, the Siemens B28000S01 is a 2-pole, 80A molded case circuit breaker from the B series. It provides dependable thermal-magnetic overcurrent protection for demanding electrical systems. This bolt-on MCCB is designed to install into Siemens P1, P2, P3, P4, and P5 panelboards. It features a factory-installed 120VAC shunt trip for remote tripping capabilities and carries a 10kAIC interrupting rating at 120/240VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B28000S01 |
| Series | B |
| Amperage | 80A |
| 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 | 4-1/0 AWG (Cu), 2-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG (Cu), 2 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip 120VAC (Factory Installed) |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the B28000S01?
This B-frame bolt-on breaker is designed for commercial and industrial distribution in Siemens P1, P2, P3, P4, and P5 panelboards. It is not compatible with residential plug-on load centers.
What does the S01 suffix indicate on the B28000S01 catalog number?
The S01 suffix signifies that this breaker includes a factory-installed 120VAC shunt trip. This accessory allows the breaker to be tripped remotely, which is often required for emergency stop circuits or automated control systems.
How does the B28000S01 connect to the panelboard bus?
This breaker utilizes a bolt-on connection, providing a secure mechanical and electrical attachment to the busbars. Bolt-on connections are standard for commercial panelboards to prevent accidental disconnection under heavy loads or vibration.
How does the thermal-magnetic trip unit function on this breaker?
The fixed LI trip unit provides two levels of protection. The long-time (L) thermal element responds to sustained overloads, while the instantaneous (I) magnetic element trips immediately in the event of a short circuit.
Is this breaker rated for use with HVAC equipment?
Yes, the B28000S01 is HACR rated, meaning it is certified for safe use with heating, air conditioning, and refrigeration equipment.
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