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Siemens B230HH Molded Case Circuit Breaker
- 30A
- 2 Pole
- Bolt-On
Siemens
B230HH
Molded Case Circuit Breaker
Brand
Siemens
SKU
B230HH
Quantity
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Siemens B230HH - 30A 2 Pole Molded Case Circuit Breaker
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Description
Part of the BL family, the Siemens B230HH is a 30A, two-pole molded case circuit breaker built for commercial distribution. It features a thermal-magnetic trip unit with long-time and instantaneous (LI) protection. This bolt-on MCCB installs into Siemens P1, P2, and P3 panelboards. The unit utilizes standard load-side lug terminals and accepts 10-8 AWG copper or 10-6 AWG aluminum wire. As an HBL type breaker, it delivers a 65kAIC rating at 120/240VAC and is fully HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | B230HH |
| Series | B |
| Amperage | 30A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120/240VAC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 10-8 AWG (Cu), 10-6 AWG (Al) |
| Max Wire | 8 AWG (Cu), 6 AWG (Al) |
| Min Wire | 10 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Common Trip, Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards accept the Siemens B230HH circuit breaker?
This bolt-on breaker is designed specifically for commercial distribution and installs directly into Siemens P1, P2, and P3 panelboards. It is not compatible with standard residential load centers that require plug-on breakers.
What is the difference between the B230, B230H, and B230HH?
These part numbers represent different interrupting ratings within the Siemens BL family. The standard B230 (Type BL) is rated at 10kAIC, the B230H (Type BLH) is rated at 22kAIC, and the B230HH (Type HBL) provides the highest rating at 65kAIC for commercial applications with higher fault current potential.
What are the wire gauge requirements for installing the B230HH?
The load side lugs accept 10 to 8 AWG copper conductors or 10 to 6 AWG aluminum conductors. Ensure you use the correct wire size for a 30A circuit based on the National Electrical Code and local requirements.
Is the Siemens B230HH a direct replacement for older ITE breakers?
Yes. Siemens acquired ITE, and the B230HH serves as the direct, UL listed replacement for legacy ITE 30A, 2-pole HBL type bolt-on breakers requiring a 65kAIC rating.
Can the B230HH be used to protect HVAC equipment?
Yes, this breaker is HACR rated, meaning it has been tested and approved for the specific inrush currents and safety requirements of heating, air conditioning, and refrigeration equipment.
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