Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Siemens ED43B030 ED-Frame Molded Case Circuit Breaker - ED-Frame Siemens Molded Case Circuit Breakers
SiemensED-Frame Siemens Molded Case Circuit Breakers

Siemens ED43B030 ED-Frame Molded Case Circuit Breaker

<p>The Siemens ED43B030 is a 30A molded case circuit breaker from the ED4 series, designed for reliable protection in industrial applications. This ED-frame breaker features a fixed instantaneous trip and an 18kA…

SKU 3G-OTH-21797

Brand
Siemens
Item
ED43B030 ED-Frame Molded Case Circuit Breaker
Part Number
ED43B030
Category
ED-Frame Siemens Molded Case Circuit Breakers
Available to Order
Also known as:ED43B030Siemens
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
ED43B030
Series
ED4
Type
18kA at 480V AC, Fixed, Load Side Lug, ABC, ED4
Max. AIR Rating
18kA at 480V AC
Phase Connection
ABC
Instantaneous Trip
Fixed
Terminal Connection
Load Side Lug

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The Siemens ED43B030 is a 30A molded case circuit breaker from the ED4 series, designed for reliable protection in industrial applications. This ED-frame breaker features a fixed instantaneous trip and an 18kA interrupting rating at 480V AC, with ABC phase connection and load side lugs for easy wiring. It is suitable for use in distribution panels, motor control centers, and other equipment requiring robust circuit protection.</p><p>As a Singapore-based supplier, 3G Electric offers this Siemens MCCB with worldwide shipping. Request a quote in SGD, and for Singapore buyers, GST is handled seamlessly. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the interrupting rating of the Siemens ED43B030?

The Siemens ED43B030 has an interrupting rating of 18kA at 480V AC.

Does the ED43B030 come with load side lugs?

Yes, the ED43B030 is equipped with load side lugs for terminal connection.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
Not sure this is the right part? Photo-identify it

Siemens Products

3G Electric supplies Siemens ed-frame siemens molded case circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Siemens

View all Siemens parts
Siemens ED23B070 is a 70 A ED-Frame molded case circuit breaker from the ED2 series. It provides overcurrent protection with a maximum AIR rating of 10kA at 240V AC, fixed instantaneous trip, and load-side lug terminal connection for ABC phase connection. Suitable for use in power distribution systems
Siemens
Siemens ED23B070 is a 70 A ED-Frame molded case circuit breaker from the ED2 series. It provides overcurrent protection with a maximum AIR rating of 10kA at 240V AC, fixed instantaneous trip, and load-side lug terminal connection for ABC phase connection. Suitable for use in power distribution systems
Siemens HED4 series molded case circuit breaker rated 30 A with a maximum interrupting rating of 42 kA at 480 V AC. Features a fixed instantaneous trip, ABC phase connection, and load-side lug terminals. Suitable for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards
Siemens
Siemens HED4 series molded case circuit breaker rated 30 A with a maximum interrupting rating of 42 kA at 480 V AC. Features a fixed instantaneous trip, ABC phase connection, and load-side lug terminals. Suitable for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards
Siemens ED2-series molded case circuit breaker rated 80 A with a maximum AIR rating of 10kA at 240V AC. Features a fixed instantaneous trip and load-side lug terminal connection. Suitable for overcurrent protection in electrical distribution panels, branch circuits, feeder protection, and motor control centers
Siemens
Siemens ED2-series molded case circuit breaker rated 80 A with a maximum AIR rating of 10kA at 240V AC. Features a fixed instantaneous trip and load-side lug terminal connection. Suitable for overcurrent protection in electrical distribution panels, branch circuits, feeder protection, and motor control centers
Siemens ED4 series molded case circuit breaker rated 70 A with a maximum interrupting rating of 18 kA at 480 V AC. Features a fixed instantaneous trip and load-side lug terminal connection. Suitable for use in industrial power distribution, motor control centers, and panelboards
Siemens
Siemens ED4 series molded case circuit breaker rated 70 A with a maximum interrupting rating of 18 kA at 480 V AC. Features a fixed instantaneous trip and load-side lug terminal connection. Suitable for use in industrial power distribution, motor control centers, and panelboards
Siemens ED4-series molded case circuit breaker rated for 30 A with a maximum interrupting rating of 18 kA at 480 V AC. Features a fixed instantaneous trip and load-side lug terminal connection, supporting any phase connection. Suitable for overcurrent protection in power distribution systems
Siemens
Siemens ED4-series molded case circuit breaker rated for 30 A with a maximum interrupting rating of 18 kA at 480 V AC. Features a fixed instantaneous trip and load-side lug terminal connection, supporting any phase connection. Suitable for overcurrent protection in power distribution systems
Molded case circuit breaker from the ED4 series, rated 90 A with a maximum interrupting rating of 22kA at 277V AC. Features fixed instantaneous trip and accepts any phase connection. Terminals are load-side lugs for wiring. Suitable for overcurrent protection in electrical distribution systems
Siemens
Molded case circuit breaker from the ED4 series, rated 90 A with a maximum interrupting rating of 22kA at 277V AC. Features fixed instantaneous trip and accepts any phase connection. Terminals are load-side lugs for wiring. Suitable for overcurrent protection in electrical distribution systems
ED2-series molded case circuit breaker rated 40 A with a maximum interrupting rating of 10 kA at 240 V AC. Features fixed instantaneous trip and load-side lug terminal connection. Supports any phase connection. Suitable for branch circuit and feeder protection in electrical distribution systems
Siemens
ED2-series molded case circuit breaker rated 40 A with a maximum interrupting rating of 10 kA at 240 V AC. Features fixed instantaneous trip and load-side lug terminal connection. Supports any phase connection. Suitable for branch circuit and feeder protection in electrical distribution systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first