Siemens Molded Case Circuit Breaker: 90 A Amps, 18kA at 480V AC, Fixed, Load Side Lug
The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMK5, MPN ED43B090) is a 90 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…
SKU 3G-OTH-22317
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Product Description
The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMK5, MPN ED43B090) is a 90 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 with load side lug terminals.
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 ED43B090 molded case circuit breaker used for?
The SIEMENS ED43B090 is a 90 A molded case circuit breaker from the ED4 series, designed for industrial and commercial electrical distribution systems. It protects circuits against overloads and short circuits, with a fixed instantaneous trip and a maximum AIR rating of 18kA at 480V AC, suitable for ABC phase connections.
What are the specifications of the SIEMENS ED43B090?
The SIEMENS ED43B090 is a 90 A rated ED4 series molded case circuit breaker with a fixed instantaneous trip, ABC phase connection, and load side lug terminals. Its maximum AIR rating is 18kA at 480V AC. The manufacturer part number is ED43B090, and it is an ED-frame device from Siemens.
Where to buy the SIEMENS ED43B090 worldwide?
You can source the SIEMENS ED43B090 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 this Siemens ED4 series breaker to procurement teams globally.
How to select the SIEMENS ED43B090 for an electrical panel?
To select the SIEMENS ED43B090, verify your system voltage (480V AC) and available fault current (up to 18kA). Ensure the breaker's 90 A rating matches your load, and that the ABC phase connection and fixed instantaneous trip suit your application. Use load side lug terminals for wiring. 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.















