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Siemens Molded Case Circuit Breaker: 100 A Amps, 18kA at 480V AC, Fixed, Load Side Lug - ED-Frame Siemens Molded Case Circuit Breakers
SiemensED-Frame Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breaker: 100 A Amps, 18kA at 480V AC, Fixed, Load Side Lug

The SIEMENS ED-Frame Molded Case Circuit Breaker (SKU 3CMJ5, MPN ED42B100) is a 100 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 18kA at 480V AC, and accepts any…

SKU 3G-OTH-22089

Brand
Siemens
Item
Molded Case Circuit Breaker: 100 A Amps, 18kA at 480V AC, Fixed, Load Side Lug
Category
ED-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
ED42B100
Series
ED4
Type
18kA at 480V AC, Fixed, Load Side Lug, Any, ED4
Max. AIR Rating
18kA at 480V 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 3CMJ5, MPN ED42B100) is a 100 A rated device from the ED4 series. It features a fixed instantaneous trip, a maximum AIR rating of 18kA at 480V AC, and accepts any phase connection. The breaker is equipped with load-side lug terminals for wiring.

Frequently Asked Questions

What is the SIEMENS ED42B100 molded case circuit breaker used for?

The SIEMENS ED42B100 is a 100 A molded case circuit breaker from the ED4 series, used for overcurrent protection in industrial and commercial electrical distribution systems. It handles up to 18kA at 480V AC and accepts any phase connection, making it suitable for branch circuits and feeder protection in panelboards and switchboards.

What are the specifications of the SIEMENS ED42B100?

The SIEMENS ED42B100 is a 100 A ED4-series molded case circuit breaker with a maximum AIR rating of 18kA at 480V AC. It features a fixed instantaneous trip, load-side lug terminals, and accepts any phase connection. The manufacturer part number is ED42B100, and it is an ED-frame device.

Where to buy the SIEMENS ED42B100 worldwide?

3G Electric supplies the SIEMENS ED42B100 molded case circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens ED4 series breaker globally.

How to select the correct SIEMENS ED4 molded case circuit breaker?

To select the correct SIEMENS ED4 breaker, verify the continuous current rating (100 A for the ED42B100), the maximum AIR rating (18kA at 480V AC), and the terminal connection type (load-side lugs). Ensure the phase connection matches your system (any phase). Consult the Siemens ED4 series documentation for coordination and application guidelines.

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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