Siemens B370H00S01 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
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Siemens B370H00S01 - 70A 3 Pole Molded Case Circuit Breaker
New
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Description
Providing elevated short-circuit protection, the Siemens B370H00S01 is a 70A, 3-pole molded case circuit breaker. This Type BLH device is engineered for 240VAC commercial and industrial distribution networks requiring higher fault tolerances. The breaker fastens securely into Siemens P1, P2, P3, P4, and P5 panelboards via a standard bolt-on connection. It accepts 8-4 AWG copper or 8-2 AWG aluminum conductors. Rated at 22 kAIC, it includes a 120VAC shunt trip for remote circuit interruption.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B370H00S01 |
| Series | BLH |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 8-4 AWG (Cu), 8-2 AWG (Al) |
| Max Wire | 4 AWG (Cu), 2 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 |
|---|---|
| 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 |
Product FAQs
7 answersHow is the B370H00S01 installed into Siemens panelboards?
It features a bolt-on connection designed specifically for secure installation into Siemens P1, P2, P3, P4, and P5 panelboards. It can be mounted in either a horizontal or vertical orientation.
What does the 00S01 suffix mean on the B370H00S01 catalog number?
The 00S01 suffix indicates that this circuit breaker includes a factory-installed 120VAC shunt trip mechanism for remote tripping capabilities.
How does the integrated shunt trip improve system safety?
The 120VAC shunt trip allows the breaker to be opened from a remote location using a separate electrical source, making it ideal for emergency shutdown systems and safety interlocks.
What are the conductor requirements for the B370H00S01 terminals?
The integrated lugs accept 8 to 4 AWG copper wire or 8 to 2 AWG aluminum wire. Ensure proper torque is applied during installation to maintain a secure and safe connection.
What is the difference between a standard BL breaker and this BLH model?
The BLH designation indicates a higher interrupting rating. While standard BL breakers typically offer 10kAIC, this Type BLH breaker provides a 22kAIC rating at 240VAC for systems requiring higher fault tolerances.
Are the trip settings adjustable on the B370H00S01?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time overload protection and instantaneous short-circuit protection are factory set and non-adjustable.
Is the Siemens B370H00S01 suitable for HVAC applications?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
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