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Siemens ED42B100L Molded Case Circuit Breaker
- 100A
- 2 Pole
- Unit Mount
Siemens
ED42B100L
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED42B100L
Quantity
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Siemens ED42B100L - 100A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens ED42B100L is a 2-pole, 100A molded case circuit breaker. It provides reliable long-time and instantaneous (LI) thermal magnetic protection. This unit mount MCCB includes factory-installed line and load lugs. It installs into standard enclosures, switchboards, and motor control centers, and is superseded by the 3VA5110-4EC21-0AA0. Rated for 18 kAIC at 480VAC, this ED4 frame breaker is HACR rated and reverse feed capable.Specifications
| Brand | Siemens |
|---|---|
| Part Number | ED42B100L |
| Series | ED4 |
| Amperage | 100A |
| 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 | 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 & 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, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
7 answersWhat is the direct replacement for the Siemens ED42B100L?
Siemens has superseded the ED42B100L with the newer 3VA series, specifically catalog number 3VA5110-4EC21-0AA0. However, the ED42B100L remains widely used to maintain existing infrastructure.
What does the L in the ED42B100L catalog number signify?
The L indicates that the breaker is supplied with factory-installed line and load lugs (part number LN1E100). These lugs accept 10 to 1/0 AWG copper or aluminum conductors.
Can the ED42B100L be reverse fed?
Yes, this ED frame circuit breaker is suitable for reverse feed applications. The thermal magnetic trip unit operates effectively regardless of the direction of power flow.
What types of equipment is the ED42B100L designed to mount in?
As a unit mount, feed-thru breaker, it is designed for installation in individual enclosures, switchboards, and motor control centers rather than standard plug-on or bolt-on panelboards.
Is the ED42B100L suitable for HVAC equipment?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment that requires this specific protection standard.
Are the trip settings adjustable on this breaker?
No, the ED42B100L features a non-interchangeable trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous protection.
Can this breaker be used in direct current applications?
Yes, the thermal magnetic trip unit is rated for 250VDC systems, making it suitable for industrial DC control circuits and battery systems, providing a 30kAIC interrupting capacity.
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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.