Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens ED43M025 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Bolt-On
Siemens
ED43M025
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED43M025
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens ED43M025 - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
30A 3 Pole Molded Case Circuit Breaker
30A 3 Pole Molded Case Circuit Breaker
20A 3 Pole Molded Case Circuit Breaker
Description
Engineered for marine and industrial applications, the Siemens ED43M025 is a 3-pole, 25A molded case circuit breaker delivering robust thermal-magnetic protection. This bolt-on breaker installs into Siemens Sentron panelboards and switchboards. It serves as a specialized alternative to the standard ED43B025 for high-temperature environments. Rated 18kA at 480VAC, it features a 50°C ambient calibration. The unit is HACR rated, reverse feed capable, and includes load-side lugs.Specifications
| Brand | Siemens |
|---|---|
| Series | ED4 |
| Amperage | 25A |
| 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 |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 50C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, 50C Ambient Calibration |
Product FAQs
6 answersWhat is the difference between the Siemens ED43M025 and the ED43B025?
The ED43M025 features a 50°C ambient calibration specifically engineered for marine and high-temperature industrial environments. The standard ED43B025 is calibrated for standard ambient temperatures.
Which panelboards accept the ED43M025 circuit breaker?
This ED-frame breaker is designed to bolt into Siemens Sentron panelboards and switchboards that are configured to accept ED-frame devices.
Are load-side lugs included with the ED43M025?
Yes, load-side lugs are included. They accept 14-10 AWG copper or 12-10 AWG aluminum wire.
Can the ED43M025 be reverse fed?
Yes, this circuit breaker is reverse feed capable, allowing flexibility for top or bottom feed wiring configurations.
Is this breaker suitable for HVAC equipment?
Yes, the ED43M025 is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
Are the trip settings adjustable on the ED43M025?
No, this breaker features a fixed thermal-magnetic trip unit with factory-set long-time and instantaneous (LI) trip functions.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 20 reviews.
Search
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.