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Siemens Molded Case Circuit Breaker: 90 A Amps, 22kA at 277V AC, Fixed, Load Side Lug - ED-Frame Siemens Molded Case Circuit Breakers
SiemensED-Frame Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breaker: 90 A Amps, 22kA at 277V AC, Fixed, Load Side Lug

The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMH3) is a 90 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 277V AC, and accepts any phase…

SKU 3G-OTH-22462

Brand
Siemens
Item
Molded Case Circuit Breaker: 90 A Amps, 22kA at 277V AC, Fixed, Load Side Lug
Category
ED-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
ED41B090
Series
ED4
Type
22kA at 277V AC, Fixed, Load Side Lug, Any, ED4
Max. AIR Rating
22kA at 277V AC
Phase Connection
Any
Instantaneous Trip
Fixed
Terminal Connection
Load Side Lug
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMH3) is a 90 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 277V AC, and accepts any phase connection. The breaker is equipped with load-side lug terminals for wiring.

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 ED4 molded case circuit breaker used for?

The SIEMENS ED4 molded case circuit breaker (MPN ED41B090) is used for overcurrent protection in industrial and commercial electrical distribution systems. It protects branch circuits, feeders, and equipment from short circuits and overloads, with a 90 A rating and 22kA interrupting capacity at 277V AC.

What are the specifications of the SIEMENS ED41B090 circuit breaker?

The SIEMENS ED41B090 is a 90 A molded case circuit breaker from the ED4 series. It has a fixed instantaneous trip, a maximum AIR rating of 22kA at 277V AC, accepts any phase connection, and uses load-side lug terminals. It is an ED-frame device with part number ED41B090.

Where to buy the SIEMENS ED41B090 circuit breaker worldwide?

3G Electric supplies the SIEMENS ED41B090 molded case circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this ED4 series 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 (90 A for the ED41B090), the maximum interrupting rating (22kA at 277V AC), and the terminal connection type (load-side lug). Ensure the fixed instantaneous trip matches your system's short-circuit requirements and phase connection flexibility.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens 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.

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