Siemens Molded Case Circuit Breaker: 40 A Amps, 42kA at 480V AC, Fixed, Load Side Lug
The SIEMENS Molded Case Circuit Breaker (SKU 3G-OTH-22303) is a 40 A ED-Frame unit from the HED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 42kA at 480V AC, and ABC phase connection with…
SKU 3G-OTH-22303
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 Molded Case Circuit Breaker (SKU 3G-OTH-22303) is a 40 A ED-Frame unit 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 HED43B040 molded case circuit breaker used for?
The SIEMENS HED43B040 is a 40 A ED-Frame molded case circuit breaker from the HED4 series. It protects electrical circuits from overloads and short circuits in industrial and commercial power distribution systems, particularly where ABC phase connection and a 42kA interrupting rating at 480V AC are required.
What are the specifications of the SIEMENS HED43B040 circuit breaker?
The SIEMENS HED43B040 is a 40 A ED-Frame molded case circuit breaker from the HED4 series. It has a fixed instantaneous trip, a maximum AIR rating of 42kA at 480V AC, ABC phase connection, and load-side lug terminals. The manufacturer part number is HED43B040.
Where to buy the SIEMENS HED43B040 circuit breaker worldwide?
3G Electric supplies the SIEMENS HED43B040 molded case circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct SIEMENS molded case circuit breaker for your application?
To select the correct SIEMENS molded case circuit breaker, verify the required current rating (e.g., 40 A), interrupting capacity (e.g., 42kA at 480V AC), phase connection (e.g., ABC), and terminal type (e.g., load-side lug). The HED4 series offers fixed instantaneous trip for consistent protection. Consult a qualified engineer for proper coordination.
Used in
Common applications for SiemensSiemens 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.
