Siemens B370HH00S01 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Quantity
Siemens B370HH00S01 - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Featuring a factory-installed 120VAC shunt trip, this 70A molded case circuit breaker enables remote power disconnection for enhanced safety and control. The thermal-magnetic trip unit provides reliable long-time and instantaneous protection for commercial facilities. This 3-pole device is engineered to fit seamlessly into Siemens P1, P2, P3, P4, and P5 panelboards via a secure bolt-on connection.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B370HH00S01 |
| Series | HBL |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 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 Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip 120VAC |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
7 answersWhat does the 00S01 suffix in the B370HH00S01 catalog number indicate?
The 00S01 suffix signifies that this breaker comes with a factory-installed 120VAC shunt trip. This allows facility managers or automated control systems to open the circuit remotely.
What does the HH in the B370HH00S01 catalog number mean?
The HH designates this as an HBL series breaker. This indicates a high interrupting rating of 65kAIC at 240V, compared to standard BL series breakers which have lower fault current ratings.
Which Siemens panelboards accept the B370HH00S01 circuit breaker?
This B-frame breaker is designed to mount directly into Siemens P1, P2, P3, P4, and P5 commercial panelboards.
What wire sizes and materials are supported by the lugs on this breaker?
The factory lugs accept 4 to 1/0 AWG copper wire, or 2 to 1/0 AWG aluminum wire.
Can the B370HH00S01 be used in 480V electrical systems?
No, this breaker is strictly rated for a maximum of 240VAC. It is not suitable for 480V or 600V distribution systems.
Does this breaker offer adjustable trip settings?
No, the B370HH00S01 features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit functions are factory calibrated and non-adjustable.
How is the B370HH00S01 secured to the panelboard busbar?
It uses a bolt-on connection rather than a plug-on design. This requires bolting the breaker directly to the bus, providing a secure connection that resists loosening from thermal cycling or vibration.
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