Siemens Molded Case Circuit Breaker: 125 A Amps, 18kA at 480V AC, Fixed, Load Side Lug
The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU ED43B125, MPN ED43B125) is a 125 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 18kA at 480V AC, and ABC…
SKU 3G-OTH-22127
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU ED43B125, MPN ED43B125) is a 125 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 18kA at 480V AC, and ABC phase connection. The unit is equipped with load side lug terminal connections.
Frequently Asked Questions
What is the SIEMENS ED43B125 molded case circuit breaker used for?
The SIEMENS ED43B125 is a 125 A molded case circuit breaker used for overcurrent protection in industrial and commercial electrical distribution systems. It is suitable for branch circuits, feeder protection, and equipment disconnection where a fixed instantaneous trip and ABC phase connection are required.
What are the specifications of the SIEMENS ED43B125?
The SIEMENS ED43B125 is a 125 A molded case circuit breaker from the ED4 series. It has a maximum AIR rating of 18kA at 480V AC, a fixed instantaneous trip, ABC phase connection, and load side lug terminals. The MPN is ED43B125 and the SKU is 3G-OTH-22127.
Where to buy the SIEMENS ED43B125 worldwide?
You can source the SIEMENS ED43B125 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this ED4 series circuit breaker.
How to select the correct SIEMENS ED4 circuit breaker for an application?
To select the correct SIEMENS ED4 circuit breaker, verify the continuous current rating (125 A for the ED43B125), the available fault current (18kA at 480V AC), phase connection (ABC), and terminal type (load side lug). Ensure the fixed instantaneous trip matches your coordination study. Consult a licensed engineer for proper sizing.
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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.
