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Siemens HED43B100L Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Siemens
HED43B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HED43B100L
Quantity
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Siemens HED43B100L - 100A 3 Pole Molded Case Circuit Breaker
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Description
Part of the Sentron ED-frame family, this 100A unit mount breaker delivers robust thermal-magnetic protection for commercial applications. It integrates into standard enclosures and motor control centers. Installation is streamlined via the included line and load side lugs. For facilities upgrading equipment, this unit is replaced by the newer 3VA5110-6EC31-0AA0 model. Rated for 42kA interrupting capacity at 480VAC, the non-interchangeable LI trip unit ensures consistent fault response.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HED43B100L |
| Series | HED4 |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 42kA @ 480VAC, 30kA @ 250VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 10-1/0 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 |
|---|---|
| Accessories | Line and Load Side Lugs |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
6 answersWhat panelboards and enclosures are compatible with the Siemens HED43B100L?
This ED frame breaker is designed for integration within Siemens Sentron panelboards, switchboards, and motor control centers.
What does the "L" stand for in the HED43B100L catalog number?
The "L" suffix indicates that the breaker includes factory-installed lugs on both the line and load sides.
Is the Siemens HED43B100L suitable for reverse feed applications?
Yes, this thermal magnetic circuit breaker supports reverse feed configurations.
What is the difference between the HED43B100L and the ED43B100L?
The HED43B100L is the high-interrupting capacity version, rated at 42kAIC at 480VAC. The standard ED43B100L shares the same physical footprint but has a lower interrupting rating of 18kAIC at 480VAC.
Is the HED43B100L HACR rated?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment.
What is the modern replacement for the HED43B100L?
For facilities upgrading their infrastructure, the HED43B100L is superseded by the newer Siemens 3VA5110-6EC31-0AA0 model. Transitioning to the 3VA series requires the appropriate panelboard strap kit.
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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
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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.