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Siemens HED42B090L Molded Case Circuit Breaker
- 90A
- 2 Pole
- Unit Mount
Siemens
HED42B090L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HED42B090L
Quantity
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Siemens HED42B090L - 90A 2 Pole Molded Case Circuit Breaker
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Description
Part of the Sentron ED-frame family, this 90A molded case circuit breaker is engineered for commercial applications. It provides reliable long-time and instantaneous trip functions. The unit-mount configuration installs into standard enclosures and switchboards. It comes equipped with line and load lugs accepting 10 to 1/0 AWG wire. Siemens has transitioned this model to the 3VA5190-6EC21-0AA0 series. Delivering 100kAIC at 240V, it handles demanding fault currents.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HED42B090L |
| Series | HED4 |
| Amperage | 90A |
| 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs (LN1E100) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhat equipment is compatible with the HED42B090L circuit breaker?
This ED-frame breaker installs in Siemens Sentron panelboards, switchboards, and motor control centers configured for unit mount devices.
Is the HED42B090L suitable for reverse feed applications?
Yes, this thermal magnetic ED-frame breaker is suitable for reverse feed installations.
Is this Siemens 90A breaker HACR rated?
Yes, the HED42B090L is HACR rated for use with heating, air conditioning, and refrigeration equipment.
How does the HED42B090L differ from the standard ED42B090L?
The HED42B090L is the high-interrupting version, rated at 42kAIC at 480VAC. The standard ED42B090L has a lower interrupting capacity of 18kAIC at 480VAC.
What does the L suffix in the HED42B090L catalog number indicate?
The L suffix indicates that the circuit breaker comes with factory-installed line and load lugs.
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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.