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Siemens ED42B040L Molded Case Circuit Breaker
- 40A
- 2 Pole
- Unit Mount
Siemens
ED42B040L
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED42B040L
Quantity
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Siemens ED42B040L - 40A 2 Pole Molded Case Circuit Breaker
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Description
Belonging to the Siemens Sentron family, this 40A molded case circuit breaker is designed for commercial and industrial power distribution. The unit mount configuration allows for flexible integration into individual enclosures and switchboards. Featuring a fixed thermal-magnetic trip unit, it delivers long-time and instantaneous protection with a 65kAIC rating at 240VAC. Factory-installed line and load lugs ensure secure wire terminations for 10-1/0 AWG conductors.Specifications
| Brand | Siemens |
|---|---|
| Part Number | ED42B040L |
| Series | ED4 |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 18kA @ 480VAC, 30kA @ 250VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Individual Enclosures, Switchboards |
| 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 & 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, HID Rated, Reverse Feed |
Product FAQs
5 answersIs the Siemens ED42B040L HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Can the ED42B040L be reverse fed?
Yes, this thermal magnetic breaker is suitable for reverse feed applications.
What panelboards are compatible with the ED42B040L?
This ED frame breaker is designed for use in Siemens S1, S2, and S3 panelboards, as well as Sentron switchboards and compatible individual enclosures.
What is the difference between the Siemens ED42B040L and the ED62B040L?
The primary difference is the interrupting capacity. The ED42B040L is rated for 18kAIC at 480VAC, whereas the ED6 version is rated for 25kAIC at 480VAC.
Which replacement lug kit is used for the ED42B040L?
If replacement terminals are needed, the correct lug kit for 30A to 100A Siemens ED frame breakers is catalog number LN1E100.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 20 reviews.
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Rating
20 reviews
- GGGerson G.Verified BuyerReviewingSiemens ED43B100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/8/26Siemens ED43B100 breeaker
Breaker arrived even earlier than expected. In great condition and very well packaged. Customer service was helpful and resolve all questions.
- KLKristofer L.Verified BuyerReviewingSiemens ED43B015 - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/1/26Product delivered was perfect.
This was my first order with Super Breakers so you just don't know what you will get. My products came quickly and just as described. I was very pleased with my experience and will use them in the future.
- SWScott W.Verified BuyerReviewingSiemens ED43S100A - 100A 3 Pole Molded Case SwitchI recommend this productRated 5 out of 5 stars6/10/26Great transaction
We received the breaker we needed in great shape and in a timely manner!
We will defiantly be ordering from Super breaker again.
- KKKurt k.Verified BuyerReviewingSiemens ED43B080 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/18/26Fast shipping
I needed the breaker quickly for a job. It arrived earlier than I expected which kept the job moving along.
- MSmark s.Verified BuyerReviewingSiemens ED41B020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/16/26Exactly what I ordered
I ordered 12 Siemens breakers. My order was exactly what I ordered, They came fast, and everything was in good shape. I will be using superbreakers in the future.