Siemens Molded Case Circuit Breaker: 50 A Amps, 42kA at 480V AC, Fixed, Load Side Lug
The SIEMENS Molded Case Circuit Breaker (SKU 3G-OTH-21940) is an ED-Frame, HED4 series device rated for 50 A amps with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase…
SKU 3G-OTH-21940
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The SIEMENS Molded Case Circuit Breaker (SKU 3G-OTH-21940) is an ED-Frame, HED4 series device rated for 50 A amps with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase connection, and load side lug terminal connection (MPN HED43B050).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SIEMENS HED43B050 molded case circuit breaker used for?
The SIEMENS HED43B050 is an ED-Frame molded case circuit breaker used for overcurrent protection in industrial power distribution panels, motor control centers, and switchboards. It is rated 50 A with a 42kA interrupting capacity at 480V AC, making it suitable for high-fault commercial and manufacturing environments.
What are the specifications of the SIEMENS HED43B050 circuit breaker?
The SIEMENS HED43B050 is a 50 A, ED-Frame, HED4 series molded case circuit breaker. It has a maximum AIR rating of 42kA at 480V AC, fixed instantaneous trip, ABC phase connection, and load side lug terminals. The MPN is HED43B050. It is designed for fixed mounting with no field-adjustable trip settings.
Where to buy the SIEMENS HED43B050 circuit breaker worldwide?
You can source the SIEMENS HED43B050 molded case circuit breaker 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; we provide competitive pricing and reliable supply for this Siemens ED-Frame breaker.
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 (50 A for HED43B050), the available fault current (42kA at 480V AC), phase connection (ABC), and terminal type (load side lug). Ensure the frame size (ED-Frame) matches your panel cutout. Consult a licensed electrician for coordination studies.
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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.
