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Siemens ED43M100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Siemens
ED43M100
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED43M100
Quantity
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Siemens ED43M100 - 100A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding industrial environments, the Siemens ED43M100 is a 3-pole, 100A molded case circuit breaker. As part of the Sentron ED4 frame series, it delivers robust thermal-magnetic trip protection for commercial facilities. The breaker bolts into Siemens Sentron panelboards, switchboards, and motor control centers. It serves as a high-temperature substitute for the standard 40°C ED43B100. It features a 50°C ambient calibration, 18kAIC at 480V, and reverse feed capability.Specifications
| Brand | Siemens |
|---|---|
| Series | ED4 |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 18kA @ 480VAC, 30kA @ 250VDC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, 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, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Lugs |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 50C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, 50C Ambient Calibration |
Product FAQs
7 answersWhat is the difference between the Siemens ED43M100 and the ED43B100?
The ED43M100 is calibrated for a 50 degrees C ambient temperature, making it suitable for high-temperature industrial environments. The ED43B100 is the standard version calibrated for 40 degrees C. Both are 100A, 3-pole, ED4 frame breakers with identical physical dimensions and mounting.
What types of panels accept the ED43M100 circuit breaker?
This ED-frame breaker is designed for bolt-on installation in Siemens Sentron panelboards, switchboards, and motor control centers.
What wire sizes are supported by the lugs on the ED43M100?
The factory-installed load lugs accept 10 AWG to 1/0 AWG wire. The terminals are dual-rated for both copper (Cu) and aluminum (Al) conductors.
Can the ED43M100 be used in direct current (DC) systems?
Yes, this thermal-magnetic breaker is rated for up to 250VDC with an interrupting capacity of 30kAIC. This is in addition to its standard AC ratings of 18kAIC at 480VAC and 65kAIC at 240VAC.
Is the Siemens ED43M100 suitable for reverse feed applications?
Yes, Siemens ED-frame circuit breakers, including the ED43M100, are capable of being reverse connected for applications that require backfeeding.
Does the ED43M100 provide adjustable trip settings?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without field-adjustable dials.
Is the ED43M100 approved for HVAC applications?
Yes, this breaker is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration equipment.
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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.