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Siemens Molded Case Circuit Breaker: 40 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: 40 A Amps, 22kA at 277V AC, Fixed, Load Side Lug

The Siemens ED-Frame Molded Case Circuit Breaker (SKU 3CMG7, MPN ED41B040) is a 40 A amp device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 277V AC, and load-side lug…

SKU 3G-OTH-21876

Brand
Siemens
Item
Molded Case Circuit Breaker: 40 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
ED41B040
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
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens ED-Frame Molded Case Circuit Breaker (SKU 3CMG7, MPN ED41B040) is a 40 A amp device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 277V AC, and load-side lug terminal connections, supporting any phase connection.

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 ED41B040 molded case circuit breaker used for?

The Siemens ED41B040 is a 40 A molded case circuit breaker used for overcurrent protection in industrial power distribution panels, motor control centers, and branch circuits. Its 22kA interrupting rating at 277V AC suits commercial and light industrial applications requiring reliable fault interruption.

What are the specifications of the Siemens ED41B040?

The Siemens ED41B040 is a 40 A, ED4-series molded case circuit breaker with a fixed instantaneous trip, 22kA maximum AIR rating at 277V AC, and load-side lug terminals. It supports any phase connection and is designed for fixed mounting in panelboards.

Where to buy the Siemens ED41B040 worldwide?

3G Electric supplies the Siemens ED41B040 molded case circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine Siemens ED4-series breakers for industrial projects globally.

How to select the correct Siemens molded case circuit breaker for my application?

To select the correct Siemens MCCB, match the continuous current rating (e.g., 40 A for the ED41B040) to your load, verify the interrupting rating (22kA at 277V AC) exceeds available fault current, and confirm terminal type (load-side lug) and phase connection (any) fit your panel. Consult a licensed engineer for coordination studies.

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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