Free Shipping Over $99
Siemens HEB2B070B Molded Case Circuit Breaker
- 70A
- 2 Pole
- Bolt-On
Siemens
HEB2B070B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HEB2B070B
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens HEB2B070B - 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
50A 2 Pole Molded Case Circuit Breaker
Description
The Siemens HEB2B070B operates as a 2-pole, 70A MCCB designed for commercial power distribution. It features fixed thermal and magnetic trip settings for reliable protection. Designed for secure bolt-on installation, this HEB frame breaker fits Siemens P3, P4, and P5 panelboards. For facility upgrades, it is replaced by the HEG2B070B. With a rating of 65kAIC at 480VAC and 100kAIC at 240VAC, this HACR-rated breaker ensures robust safety and includes load side lugs.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEB2B070B |
| Series | HEB |
| Amperage | 70A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P3, P4, P5 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Load Side Lugs (TA1EG10) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the HEB2B070B circuit breaker?
This bolt-on breaker is designed for use in Siemens P3, P4, and P5 panelboards. It fits within the Sentron NEB and HEB frame group.
Does the HEB2B070B require a mounting strap kit for installation?
When installing this breaker into Siemens P4 or P5 panelboards, specific strap kits or mounting hardware are required depending on the panel configuration. P3 panels may also require twin mounting kits for branch breakers. Consult the panelboard wiring diagram to verify the correct mounting kit.
What wire sizes are supported by the factory lugs on the HEB2B070B?
The installed lugs accept 14 to 1/0 AWG copper (Cu) wire or 12 to 1/0 AWG aluminum (Al) wire. Ensure proper torque specifications are followed during installation as outlined by the manufacturer.
Can the HEB2B070B be used in DC applications?
Yes, this thermal magnetic breaker is rated for DC systems up to 125/250VDC, providing an interrupting capacity of 42kA. It is suitable for both AC and DC environments within its specified voltage limits.
What safety precautions should be taken before installing the HEB2B070B?
Always de-energize the panelboard before installing or servicing the breaker. Verify that the system voltage and available fault current do not exceed the maximum ratings of the breaker, and ensure all work is performed by a qualified electrician using appropriate personal protective 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 4.0 out of 5 based on 1 review.
Total 5 star reviews: 0 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Search
Rating
1 review
- JJohnReviewingSiemens HEB3B015B - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars9/19/234 Stars
Great service