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Siemens E43B030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Siemens
E43B030
Molded Case Circuit Breaker
Brand
Siemens
SKU
E43B030
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Siemens E43B030 - 30A 3 Pole Molded Case Circuit Breaker
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Description
Operating within commercial power networks, this 30A molded case circuit breaker ensures reliable defense against overloads and short circuits. The device bolts firmly into Siemens Sentron P1, P2, and P3 panelboards as well as SB switchboards. Equipped with fixed thermal and magnetic trip functions, it achieves an 18kA interrupting rating at 480VAC. This HACR and HID-rated component is frequently cross-referenced with the newer ED43B030 model for ongoing facility maintenance.Specifications
| Brand | Siemens |
|---|---|
| Part Number | E43B030-R |
| Series | ED |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | E4 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (P1, P2, P3), SB Switchboards, F2 Panelboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated, Non-Interchangeable Trip |
Product FAQs
6 answersWhat panelboards are compatible with the E43B030 circuit breaker?
The E43B030 bolt-on breaker is designed for installation in Siemens Sentron P1, P2, and P3 panelboards. It is also compatible with Siemens SB switchboards and F2 panelboards.
Can the E43B030 be used in direct current applications?
Yes. While commonly used in AC systems up to 480VAC, this thermal magnetic breaker is also rated for 250VDC applications. When installed in a 250VDC system, it carries a maximum interrupting rating of 10kAIC.
What wire types and sizes fit the terminals on the E43B030?
The included lugs accept either copper (Cu) or aluminum (Al) conductors. The terminals are rated to accommodate wire gauges ranging from 10 AWG up to 1/0 AWG.
Can I adjust the trip settings on the Siemens E43B030 breaker?
No. The E43B030 comes with a fixed thermal and fixed magnetic trip unit. It operates strictly at its factory calibrated 30A continuous rating and a predetermined instantaneous threshold for short circuits.
What is the short circuit interrupting capacity for the E43B030 at 480V?
When installed in a 480VAC system, this breaker provides a maximum interrupting rating of 18kAIC. For 240VAC applications, the interrupting rating increases to 25kAIC.
What frame family does the E43B030 belong to?
The E43B030 is an E4 frame breaker that is part of the larger Siemens Sentron ED frame family. It utilizes a standard bolt-on connection to attach securely to the panelboard bus.
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Reviews
Review summary
Customers rate this product 4.6 out of 5 based on 7 reviews.
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
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Rating
7 reviews
- PSpam s.Verified BuyerReviewingEaton / Cutler-Hammer ED3100 - 100A 3 Pole Molded Case Circuit BreakerI do not recommend this productRated 2 out of 5 stars7/28/26Shipment delays
Asked for overnight shipment, got it but the product did not ship for 7 days
- BFBernie F.Verified BuyerReviewingEaton / Cutler-Hammer ED2200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26Very Responsive
I ordered this breaker. It arrived on time and was exactly what I ordered.
- BFBrian F.ReviewingEaton / Cutler-Hammer ED2200 - 200A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/26/22In Stock & Speedy Shipping
Always find in-stock items and shipping is always quick. My go-to for breakers at unbeatable prices.
- LVLue V.ReviewingEaton / Cutler-Hammer ED3175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/27/22Excellent online service
Thanks for you online services. It was an easy transaction and delivery was right on time.
- NMNick M.ReviewingSiemens E43B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/23/20reliable breaker at a good price
I was happy this specialty breaker was available at a good price compared to local suppliers in our area.