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Product Specifications:
| Item | Bolt On Circuit Breaker |
| Ac Voltage Rating | 277V AC |
| Amps | 45A |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Mounting Style | Bolt On |
| Circuit Breaker Type | Standard |
| Compatible Panelboard/load Center Series | P1 |
| Dc Voltage Rating | 125V DC |
| Depth | 2.7" |
| For Use With | Siemens P1 Panelboards |
| Frame Size | 100A/BQD |
| Frame Type | BQD |
| Length | 4.49" |
| Max. Air Rating | 14 kA At 277V AC |
| Max. Operating Temp. | 104°F |
| Max. Wire Size | 1/0 AWG |
| Minimum Wire Size | 6 AWG, 8 AWG |
| Number Of Poles | 1 |
| Phase | Single |
| Series | BQD Series |
| Terminal Connection | Lug |
| Voltage | 277V |
| Voltage Type | AC |
| Width | 1" |
Shipping Info:
| Ship weight (kg) | 0.25 |
| Ship height (cm) | 6.86 |
| Ship length (cm) | 11.4 |
| Ship width (cm) | 2.54 |
| HS code | 8536200020 |
| Country of Origin | MX |
Product Details:
- Siemens BQD145 BQD Series molded case circuit breaker for protection against mild overloads & severe overcurrents
- Features thermal magnetic trip for providing both long-time & instantaneous current limiting functions
- Bolt-on mounting for installation in both vertical & horizontal orientations
- Operates at an ambient temperature of 40 deg C
- UL-listed and CSA-certified
Product Variants
| Product | Model | Number Of Poles | Amps | Ac Voltage Rating | Phase | Voltage | Dc Voltage Rating | Max. Wire Size | Circuit Breaker Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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BQD245 | 2 | 45A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €312.20 | |
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BQD250 | 2 | 50A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €193.40 | |
![]() |
BQD260 | 2 | 60A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €886.16 | |
![]() |
BQD270 | 2 | 70A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €243.07 | |
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BQD280 | 2 | 80A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €307.25 | |
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BQD290 | 2 | 90A | 480V AC | Single | 480V | 125/250V DC | 1/0 AWG | Standard | €1,606.95 | |
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BQD3100 | 3 | 100A | 480V AC | Three | 480V | Not Rated | 1/0 AWG | Standard | €1,976.08 |
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Contact us
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SIEMENS BQD145 Molded Case Circuit Breaker, BQD Series, 1 Pole, 45A, 277VAC
€147.40 /unit







