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Siemens Molded Case Circuit Breaker: 100 A Amps, 42kA 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, 42kA at 480V AC, Fixed, Load Side Lug

The SIEMENS Molded Case Circuit Breaker is an ED-Frame device from the HED4 series, rated for 100 A amps with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip and load side lug terminal…

SKU 3G-OTH-22587

Brand
Siemens
Item
Molded Case Circuit Breaker: 100 A Amps, 42kA 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
HED42B100
Series
HED4
Type
42kA at 480V AC, Fixed, Load Side Lug, Any, HED4
Max. AIR Rating
42kA at 480V 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 Molded Case Circuit Breaker is an ED-Frame device from the HED4 series, rated for 100 A amps with a maximum AIR rating of 42kA at 480V AC. It features a fixed instantaneous trip and load side lug terminal connection, supporting any phase connection. This breaker is identified by manufacturer part number HED42B100.

Frequently Asked Questions

What is the Siemens HED42B100 molded case circuit breaker used for?

The Siemens HED42B100 is an ED-Frame molded case circuit breaker rated for 100 A amps with a 42kA interrupting rating at 480V AC. It protects electrical circuits from overloads and short circuits in industrial power distribution, motor control centers, and panelboards across manufacturing, processing, and utility applications.

What are the specifications of the Siemens HED42B100?

The Siemens HED42B100 is a 100 A molded case circuit breaker from the HED4 series. It has a maximum AIR rating of 42kA at 480V AC, fixed instantaneous trip, load side lug terminal connection, and supports any phase connection. The manufacturer part number is HED42B100.

Where to buy the Siemens HED42B100 worldwide?

3G Electric supplies the Siemens HED42B100 molded case circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ED-Frame breaker.

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

To select the correct Siemens molded case circuit breaker, match the continuous current rating (e.g., 100 A), voltage (480V AC), and interrupting capacity (42kA) to your system's fault current and load requirements. Verify terminal connections (load side lug) and phase configuration. Consult Siemens documentation or 3G Electric for application guidance.

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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