Siemens Molded Case Circuit Breaker: 125 A Amps, 42kA at 480V AC, Fixed, Load Side Lug
The Siemens ED-Frame Molded Case Circuit Breaker (SKU 3G-OTH-22138) is a 125 A rated device from the HED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 42kA at 480V AC, and ABC phase…
SKU 3G-OTH-22138
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
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Product Description
The Siemens ED-Frame Molded Case Circuit Breaker (SKU 3G-OTH-22138) is a 125 A rated device from the HED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 42kA at 480V AC, and ABC phase connection with load-side lug terminals.
Frequently Asked Questions
What is the Siemens HED43B125 molded case circuit breaker used for?
The Siemens HED43B125 is a 125 A molded case circuit breaker used for overcurrent protection in industrial and commercial electrical distribution systems. It is designed for fixed installations with ABC phase connection and load-side lug terminals, suitable for branch circuits and feeder protection in panelboards and switchboards.
What are the specifications of the Siemens HED4 series circuit breaker?
The Siemens HED4 series circuit breaker (MPN HED43B125) is rated 125 A with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase connection, and load-side lug terminals. This ED-frame device is part of the HED4 series and is designed for reliable overcurrent protection.
Where to buy Siemens HED43B125 circuit breakers worldwide?
You can source the Siemens HED43B125 circuit breaker from 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; we supply genuine Siemens molded case circuit breakers for industrial applications.
How to select the correct Siemens molded case circuit breaker for your application?
To select the correct Siemens molded case circuit breaker, verify the continuous current rating (125 A for the HED43B125), the maximum AIR rating (42kA at 480V AC), phase connection (ABC), and terminal type (load-side lug). Ensure the frame size (ED-frame) matches your panelboard or switchboard requirements. Consult a licensed electrician for proper coordination.
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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.
