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Siemens BQD135 Molded Case Circuit Breaker
- 35A
- 1 Pole
- Bolt-On
Siemens
BQD135
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQD135
Quantity
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Siemens BQD135 - 35A 1 Pole Molded Case Circuit Breaker
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Description
Designed for Siemens P1 through P5 panelboards, this 35-amp single-pole breaker offers dependable thermal-magnetic trip functionality for commercial facilities. The unit features a trip-free mechanism that prevents the contacts from being held closed during a fault condition. With a 65kAIC rating at 120VAC and 14kAIC at 277VAC, it easily manages high fault currents. Reverse feed capability and dual HACR/HID ratings make it highly adaptable for specialized HVAC and lighting applications.Specifications
| Brand | Siemens |
|---|---|
| Series | BQD |
| Amperage | 35A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 14kA @ 277VAC, 14kA @ 125VDC |
| Frame Type | BQD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, HID, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, HID Rated, Reverse Feed, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
6 answersIs the Siemens BQD135 rated for HVAC and lighting applications?
Yes, this 35A breaker is HACR rated for heating, air conditioning, and refrigeration equipment. It is also HID rated for switching high-intensity discharge lighting loads. Note that SWD ratings for fluorescent lighting only apply to 15A and 20A models in the BQD series.
What is the difference between Siemens BQD and CQD circuit breakers?
BQD breakers are designed to bolt directly onto the bus of Siemens panelboards. CQD breakers share the same internal mechanisms and electrical ratings but are designed for DIN rail or surface mounting in control panels and OEM equipment.
Can the BQD135 be reverse fed?
Yes, Siemens BQD molded case circuit breakers are suitable for reverse feed applications. They can be back-fed when used with an appropriate hold-down kit, such as the MBKBFA, in compatible panelboards.
How does the BQD135 install into Siemens panelboards?
The BQD135 is a bolt-on breaker that mounts directly to the bus bar in Siemens SENTRON P1, P2, P3, P4, and P5 distribution panelboards. It requires a bolted connection on the line side and uses a standard mechanical lug on the load side.
What is the recommended terminal torque for the BQD135 lugs?
The load lugs on 15A to 40A BQD breakers should be torqued to 2.8 Nm, which is approximately 25 lb-in. Always verify the exact torque specifications printed on the side of the breaker before finalizing wire connections.
Are the trip settings adjustable on the BQD135?
No, this breaker features a fixed thermal magnetic trip unit. The long-time and instantaneous trip functions are factory calibrated and cannot be field adjusted.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 61 reviews.
Reviews Summary
Generated by AI from 47 most recent customer reviews
Last updated 8/15/25
Customers say this electrical supply service delivers breakers with exceptional speed and reliability. Many reviews mention the straightforward ordering process through an easy-to-navigate website. Frequent comments address competitive pricing and accurate product delivery. The selection of breakers receives consistent praise, with users noting the products match specifications precisely. Reviews highlight the availability of inventory and prompt shipping, often exceeding delivery expectations.
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Rating
61 reviews
- PCPACIFIC C. B.Verified BuyerReviewingSiemens BQD380 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/11/26Used breaker in like New state
Order a reconditioned breaker to fulfill an order, it was in excellent condition . Price was just right.
Very satisfied with my purchase and the end user was happy as well.
- BCBubba C.Verified BuyerReviewingSiemens BQD390 - 90A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/24/26BQD breakers
Always love working with Superbreakers! Excellent pricing and availability on pretty much any sort of breaker you need. The packaging is always top notch and they ship your order out as soon as you purchase. Love working with the Superbreakers team!
- LPLUCIAN P.Verified BuyerReviewingSiemens BQD2100 - 100A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/21/26Super breakers
Very good prices , well stock inventory.
Looking forward for more business opportunities.
I like the knowledge that the company employs
professionals and people who are willing to help and support.
- RGRon G.Verified BuyerReviewingSiemens BQD320 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/2/26Breakers
Order was shipped and on time. The ordering process was easy and the service was great.
- GNGreg N.Verified BuyerReviewingSiemens BQD340 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/26/26Excellent Customer Service
Easy ordering & Drew Wilson helped me with this order. I will definitely be using you again in the near future especially with his excellent service he provided.