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Siemens B315HH Molded Case Circuit Breaker
- 15A
- 3 Pole
- Bolt-On
Siemens
B315HH
Molded Case Circuit Breaker
Brand
Siemens
SKU
B315HH
Quantity
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Siemens B315HH - 15A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for demanding commercial and industrial applications, the Siemens B315HH is a 3-pole, 15A molded case circuit breaker. It provides reliable thermal-magnetic protection for electrical distribution systems requiring high interrupting capacities. This bolt-on MCCB installs into Siemens P1, P2, P3, P4, and P5 panelboards, ensuring a secure connection for continuous operation. Rated at 65kAIC at 240VAC, it features a non-interchangeable trip unit and is fully HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B315HH |
| Series | B |
| Amperage | 15A |
| 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 | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Common Trip, Non-Interchangeable Trip |
Product FAQs
8 answersWhich panelboards accept the Siemens B315HH circuit breaker?
This bolt-on breaker is designed for direct installation into Siemens P1, P2, P3, P4, and P5 series panelboards.
Can the B315HH be used for HVAC applications?
Yes, the B315HH is fully HACR rated, meaning it is approved for protecting heating, air conditioning, and refrigeration equipment circuits.
What wire gauges are compatible with the B315HH terminals?
The load-side lugs accommodate 14 to 10 AWG copper (Cu) conductors or 12 to 10 AWG aluminum (Al) conductors.
What is the specific breaker type and frame for the B315HH?
The B315HH is a Type HBL circuit breaker, which is part of the Siemens 125A maximum BL/B-frame family.
What safety certifications does the B315HH carry?
It is UL 489 listed and CSA certified for low-voltage electrical distribution, ensuring reliable overcurrent and short-circuit protection.
Does the B315HH require a specific mounting method?
Yes, it requires a bolt-on connection to the panelboard bus. This provides a highly secure, vibration-resistant fit commonly required in commercial and industrial environments.
What does the 65kAIC rating on the B315HH signify?
The 65kAIC rating indicates that the breaker can safely interrupt up to 65,000 amps of fault current at 240VAC without sustaining internal damage, making it suitable for systems with high available fault currents.
Is the trip unit on the B315HH adjustable?
No, it features a fixed thermal-magnetic trip unit with non-interchangeable long-time and instantaneous (LI) trip functions.
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