Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens QJ23B070L Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
Siemens
QJ23B070L
Molded Case Circuit Breaker
Brand
Siemens
SKU
QJ23B070L
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens QJ23B070L - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
60A 3 Pole Molded Case Circuit Breaker
90A 3 Pole Molded Case Circuit Breaker
90A 3 Pole Molded Case Circuit Breaker
Description
Designed for standalone enclosure applications, the Siemens QJ23B070L is a 70A, 3-pole molded case circuit breaker. It provides essential long-time and instantaneous (LI) thermal-magnetic protection for commercial and industrial 240VAC electrical systems. This QJ frame breaker utilizes a unit mount configuration, coming standard with both line and load lugs for straightforward feed-thru wiring. It is engineered to fit seamlessly into Siemens enclosures and meter centers.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QJ23B070L |
| Series | QJ |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | QJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Enclosures, Meter Centers |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
7 answersWhat is the difference between the Siemens QJ23B070 and the QJ23B070L?
The QJ23B070 is the base circuit breaker, while the QJ23B070L includes factory-installed TA1Q300 line and load lugs at no additional charge.
Can the Siemens QJ23B070L be reverse fed?
Yes, Siemens QJ frame circuit breakers are UL Listed for reverse feed applications, allowing power to flow from either the line or load side.
What types of equipment is the QJ23B070L compatible with?
This QJ frame breaker is designed for unit mount installations in Siemens standalone enclosures, panelboards, switchboards, and meter centers.
Is the QJ23B070L rated for HVAC applications?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
Are the trip units on the QJ23B070L interchangeable?
No, QJ frame breakers feature non-interchangeable trip units and are shipped as fully assembled, sealed units.
What is the catalog number for the replacement lugs on the QJ23B070L?
The QJ23B070L comes standard with TA1Q300 lugs, which accept 6 AWG to 300 kcmil copper wire or 4 AWG to 300 kcmil aluminum wire.
Can I field-install internal accessories on the QJ23B070L?
No, internal accessories such as shunt trips and auxiliary switches for QJ frame circuit breakers must be factory installed.
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 4.8 out of 5 based on 10 reviews.
Search
Rating
10 reviews
- WMWilliam M.Verified BuyerReviewingSiemens QJ23B125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Breaker
Perfect
- TNTimothy N.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/2610% off
Arrived on time, worked when turned on
- WKWillie K.Verified BuyerReviewingSiemens QJ23B150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars7/22/26Breaker
The Breaker arrive fast and in good condition however when I looked at the specs it was not the correct one.
- PGPhil G.Verified BuyerReviewingSiemens QJ23B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/26Great Service
I was in a bind for this breaker that was for an elevator, and Nick got me all the components even though their blizzard! Will use them for all my specialty breakers.
- VCVladimir C.Verified BuyerReviewingSiemens QJ22B200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars12/10/254 start
The breaker was it perfect match.,but it was missing the two top bolts.