Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens BQD37000S01 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Siemens
BQD37000S01
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQD37000S01
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens BQD37000S01 - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
50A 3 Pole Molded Case Circuit Breaker
40A 3 Pole Molded Case Circuit Breaker
30A 3 Pole Molded Case Circuit Breaker
Description
Engineered for commercial and industrial distribution, this 70A thermal-magnetic breaker features a factory-installed 120VAC shunt trip for remote tripping capabilities. Designed to mount into Siemens P1, P2, P3, P4, and P5 panelboards, the bolt-on configuration ensures a secure connection in demanding environments. Delivering a robust 65kAIC interrupting rating at 240VAC, the unit handles substantial fault currents while maintaining HACR certification for HVAC loads.Specifications
| Brand | Siemens |
|---|---|
| Series | BQD |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 14kA @ 480Y/277VAC, 14kA @ 125/250VDC |
| Frame Type | BQD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 8-1 AWG (Cu), 6-1/0 AWG (Al) |
| Max Wire | 1 AWG (Cu), 1/0 AWG (Al) |
| Min Wire | 8 AWG (Cu), 6 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip 120VAC |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
6 answersWhich Siemens panelboards are compatible with the BQD37000S01 circuit breaker?
This bolt-on breaker is designed specifically for use in Siemens P1, P2, P3, P4, and P5 series panelboards.
What does the S01 suffix mean on the BQD37000S01 catalog number?
The S01 suffix indicates the breaker comes with a factory-installed 120VAC shunt trip accessory. This allows the breaker to be tripped remotely for emergency shutdown or control applications.
What are the acceptable wire sizes for the lugs on this 70A BQD breaker?
The terminals accommodate 8 AWG to 1 AWG copper conductors, or 6 AWG to 1/0 AWG aluminum conductors.
Can the BQD37000S01 be used in DC applications?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for use on 125/250VDC systems with a 14kAIC interrupting capacity.
Does this breaker plug in or bolt onto the busbar?
The BQD37000S01 is a bolt-on circuit breaker. It requires a bolted connection to the panelboard bus, providing a secure installation suitable for commercial and industrial environments.
Are the thermal and magnetic trip settings adjustable on the BQD37000S01?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time thermal and instantaneous magnetic trip functions are factory set and non-adjustable.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
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.
Search
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.