Free Shipping Over $99
Siemens HED42B070L Molded Case Circuit Breaker
- 70A
- 2 Pole
- Unit Mount
Siemens
HED42B070L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HED42B070L
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens HED42B070L - 70A 2 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
60A 2 Pole Molded Case Circuit Breaker
90A 2 Pole Molded Case Circuit Breaker
40A 2 Pole Molded Case Circuit Breaker
Description
Engineered for commercial and industrial distribution, the Siemens HED42B070L is a 2-pole, 70A molded case circuit breaker from the Sentron family. It provides reliable thermal-magnetic LI protection for robust circuit defense. This unit mount MCCB includes line and load lugs for installation into enclosures, switchboards, and motor control centers. It is replaced by the 3VA5170-6ED21-0AA0. Rated 42kAIC at 480VAC, this ED frame breaker is HACR rated with a non-interchangeable trip unit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HED42B070L |
| Series | HED4 |
| Amperage | 70A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 42kA @ 480VAC, 30kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 10 AWG - 1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Line and Load Side Lugs (LN1E100) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
8 answersIs the Siemens HED42B070L still in active production or has it been replaced?
The HED42B070L is a legacy Sentron series breaker and has been replaced by the newer 3VA5170-6ED21-0AA0 molded case circuit breaker.
What type of equipment is the HED42B070L compatible with?
This ED frame breaker is designed for unit mount installations and is compatible with standard Siemens enclosures, switchboards, and motor control centers.
What wire sizes are accepted by the lugs on the HED42B070L?
The included line and load lugs accept 10 AWG to 1/0 AWG copper or aluminum wire.
Can the HED42B070L be reverse fed?
Yes, all Siemens ED frame circuit breakers, including the HED42B070L, are suitable for reverse feed applications.
What is the interrupting capacity of the HED42B070L on DC circuits?
In addition to its AC ratings, this breaker has a DC interrupting capacity of 30kA at 250VDC.
Which padlock device is compatible with this ED frame breaker?
The Siemens ED2HPL padlocking device is compatible with the HED42B070L for lockout and tagout procedures.
Does the HED42B070L feature adjustable trip settings?
No, this breaker features fixed thermal and fixed magnetic trip settings. It utilizes a non-interchangeable trip unit.
Is the HED42B070L HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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 5.0 out of 5 based on 13 reviews.
Total 5 star reviews: 13 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Search
Rating
13 reviews
- PMPete M.Verified BuyerReviewingSiemens HED43B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/19/26Good price - Best website
Awesome price on an item. easy to use website made finding the right breaker and purchasing it super easy
- BCBrad C.Verified BuyerReviewingSiemens HED43B070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/12/26Thank You
The breaker works perfectly, but I'm more impressed by the fast, prompt delivery. Will be using you again, thank you.
- MLMichael L.Verified BuyerReviewingSiemens HED43B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/15/26Siemens breaker
Return customer, always great service and quick delivery. A+++
- JMJonathan M.Verified BuyerReviewingSiemens HED43B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/10/26Breaker
Fast Delivery, just what I ordered !!
- RFRussell F.Verified BuyerReviewingSiemens HED41B040 - 40A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/6/26Just what I ordered
Straight forward, simple process. On time delivery.