Siemens BQCH3B030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Quantity
Siemens BQCH3B030 - 30A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for commercial and industrial power distribution, the 30-amp BQCH3B030 handles demanding electrical loads with ease. This three-pole MCCB features a bolt-on connection designed specifically for Siemens P1, P2, and P3 panelboards. For facility managers planning upgrades, this unit is cross-referenced and replaced by the BQD330. It utilizes standard thermal-magnetic trip technology and offers an impressive 65kA interrupt capacity at 240V, ensuring reliable system safety.Specifications
| Brand | Siemens |
|---|---|
| Series | BQCH |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 14kA @ 480Y/277VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG (Cu), 6 AWG (Al) |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards are compatible with the BQCH3B030?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards. It mounts directly to the busbar using a bolt-on connection, providing a secure fit for commercial and industrial distribution.
What is the direct replacement for the legacy BQCH3B030?
The BQCH series is a legacy product line that has been superseded by the BQD series. The Siemens BQD330 serves as the modern, drop-in substitute for this 3-pole, 30A breaker.
How does the BQCH3B030 differ from a standard BQ breaker?
The "CH" designation indicates a higher interrupting capacity. While standard BQ breakers have a 10kAIC rating at 240VAC, the BQCH3B030 provides 65kAIC at 240VAC and 14kAIC at 480VAC.
Is the BQCH3B030 suitable for HVAC applications?
Yes, this circuit breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment.
Can I use aluminum wire with the BQCH3B030 lugs?
Yes, the terminal lugs are rated for both copper and aluminum conductors. They accept 14 to 6 AWG copper wire and 12 to 6 AWG aluminum wire.
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