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Siemens Molded Case Circuit Breaker: 40 A Amps, 10kA at 120V 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, 10kA at 120V AC, Fixed, Load Side Lug

The SIEMENS Molded Case Circuit Breaker is a 40 A ED-Frame unit from the ED2 series, rated for 10kA at 120V AC. It features a fixed instantaneous trip and load-side lug terminal connection, with any phase connection…

SKU 3G-OTH-22550

Brand
Siemens
Item
Molded Case Circuit Breaker: 40 A Amps, 10kA at 120V AC, Fixed, Load Side Lug
Category
ED-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
ED21B040
Series
ED2
Type
10kA at 120V AC, Fixed, Load Side Lug, Any, ED2
Max. AIR Rating
10kA at 120V 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 Molded Case Circuit Breaker is a 40 A ED-Frame unit from the ED2 series, rated for 10kA at 120V AC. It features a fixed instantaneous trip and load-side lug terminal connection, with any phase connection compatibility. This breaker is identified by manufacturer part number ED21B040.

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 ED21B040 molded case circuit breaker used for?

The Siemens ED21B040 is a 40 A ED-Frame molded case circuit breaker used for overcurrent protection in industrial and commercial electrical distribution systems. It is suitable for branch circuit protection, feeder protection, and as a main disconnect in panelboards and switchboards.

What are the specifications of the Siemens ED21B040 circuit breaker?

The Siemens ED21B040 is a 40 A ED-Frame breaker from the ED2 series with a max. AIR rating of 10kA at 120V AC. It features a fixed instantaneous trip, load-side lug terminal connection, and any phase connection compatibility. The manufacturer part number is ED21B040.

Where to buy the Siemens ED21B040 circuit breaker worldwide?

You can source the Siemens ED21B040 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.

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 (40 A for ED21B040), the available fault current (10kA at 120V AC), and the required trip characteristics (fixed instantaneous). Ensure the frame size (ED2) matches your panelboard and terminal connections (load-side lug).

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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