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Product Specifications:
| Item | Bolt On Circuit Breaker |
| Ac Voltage Rating | 120V AC |
| Amps | 40A |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Mounting Style | Bolt On |
| Circuit Breaker Type | Standard |
| Dc Voltage Rating | Not Rated |
| Depth | 3" |
| For Use With | Siemens Panelboards |
| Frame Size | 125A/BQ |
| Frame Type | BQ |
| Length | 4" |
| Max. Air Rating | 10 kA At 120V AC |
| Maximum Wire Size | 4 AWG, 6 AWG |
| Min. Wire Size | 8 AWG |
| Number Of Poles | 1 |
| Phase | Single |
| Series | BQ Series |
| Terminal Connection | Lug |
| Voltage | 120V AC |
| Voltage Type | AC |
| Width | 1" |
Shipping Info:
| Ship weight (kg) | 0.2 |
| Ship height (cm) | 10 |
| Ship length (cm) | 2 |
| Ship width (cm) | 7 |
| HS code | 8536200020 |
| Country of Origin | MX |
Product Details:
- Siemens BQ1B040 BQ Series circuit breaker ideal for installation in industrial machinery and equipment for protection against short circuit and overload conditions
- Bolt on mounting style for mounting breaker in either horizontal or vertical orientation
- Thermal magnetic trip unit delivers both long-time and instantaneous current limiting protection
- Incorporated with load side lug terminals for secure connection in limited space
- Complies with UL standards
Product Variants
| Product | Model | Number Of Poles | Voltage | Amps | Depth | Frame Size | Max. Air Rating | Phase | Max. Wire Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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BQ1B010 | 1 | 120V AC | 10A | 4" | 125A/BQ | 10 kA At 120V AC | Single | 10 AWG | €31.30 | |
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BQ1B015 | 1 | 120V AC | 15A | 4" | 125A/BQ | 10 kA At 120V AC | Single | 10 AWG | €149.06 | |
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BQ1B01500S01 | 1 | 120V AC | 15A | 6" | 125A/BQ | 10 kA At 120V AC | Single | 10 AWG | €718.24 | |
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BQ1B015H | 1 | 120V AC | 15A | 3" | 125A, BQH | 22 kA At 120V AC | Single | 10 AWG | €119.77 | |
![]() |
BQ1B020 | 1 | 120V AC | 20A | 12.9" | 125A/BQ | 10 kA At 120V AC | Single | 10 AWG | €28.51 | |
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BQ1B02000S01 | 1 | 120V AC | 20A | 6" | 125A/BQ | 10 kA At 120V AC | Single | 10 AWG | €311.65 | |
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BQ1B020H | 1 | 120V AC | 20A | 3" | 125A, BQH | 22 kA At 120V AC | Single | 10 AWG | €277.64 |
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Contact us
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SIEMENS BQ1B040 Molded Case Circuit Breaker, BQ Series, 1 Pole, 40A, 120VAC
€190.68 /unit


