Siemens MBKQJ3175A Main Breaker Kit
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See full specsSiemens MBKQJ3175A - 175A 3 Pole Main Breaker Kit
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Description
Engineered for commercial applications, the Siemens MBKQJ3175A is a complete 175A main breaker kit providing long-time and instantaneous overcurrent protection. This bolt-on assembly installs into Siemens Revised P1 panelboards (interiors ending in T or N). It serves as a direct replacement for the legacy MBKQJ3175, ensuring seamless integration with modern 3-phase systems. The included QJ2 frame breaker delivers a 10kAIC rating at 240VAC and accepts 6 AWG to 300 kcmil wire.Specifications
| For Use With | Siemens P1 Panelboards (Revised/Next Gen) |
|---|---|
| Mounting Type | Bolt-On |
| Standards | UL 489, CSA C22.2 |
| Voltage | 240VAC |
| Amperage | 175A |
|---|---|
| Poles | 3 |
| Phase | 3 |
| Interrupting Rating | 10 kAIC @ 240V AC |
| Frame Type | QJ2 |
|---|---|
| Terminal Connection | Lugs |
| Length (in) | 7.812 |
| Width (in) | 4.625 |
| Height (in) | 4.625 |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Approval | CSA, UL |
|---|---|
| Accessories | Mounting Hardware, Load Side Lugs Included |
| Temperature Rating | 40C |
| Body Material | Composite |
| Series | MBK |
|---|---|
| Brand | Siemens |
| MPN | MBKQJ3175A |
| UPC | 887621791353 |
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