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Siemens Molded Case Circuit Breaker: 20 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: 20 A Amps, 18kA at 480V AC, Fixed, Load Side Lug

The SIEMENS ED42B020 is a 20 A ED-Frame Molded Case Circuit Breaker from the ED4 series. It features a maximum AIR rating of 18kA at 480V AC, a fixed instantaneous trip, and load side lug terminal connections…

SKU 3G-OTH-21757

Brand
Siemens
Item
Molded Case Circuit Breaker: 20 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
ED42B020
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
View Full Spec Sheet

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

Product Description

The SIEMENS ED42B020 is a 20 A ED-Frame Molded Case Circuit Breaker from the ED4 series. It features a maximum AIR rating of 18kA at 480V AC, a fixed instantaneous trip, and load side lug terminal connections, supporting any phase connection.

Frequently Asked Questions

What is the SIEMENS ED42B020 molded case circuit breaker used for?

The SIEMENS ED42B020 is a 20 A ED-Frame molded case circuit breaker used for overcurrent protection in industrial and commercial electrical distribution systems. It is suitable for any phase connection and provides reliable protection with a fixed instantaneous trip and a maximum AIR rating of 18kA at 480V AC.

What are the specifications of the SIEMENS ED42B020 circuit breaker?

The SIEMENS ED42B020 is a 20 A ED-Frame molded case circuit breaker from the ED4 series. It has a maximum AIR rating of 18kA at 480V AC, a fixed instantaneous trip, and load side lug terminal connections. It supports any phase connection and is manufactured by Siemens under MPN ED42B020.

Where to buy the SIEMENS ED42B020 circuit breaker worldwide?

You can source the SIEMENS ED42B020 circuit breaker worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for Siemens molded case circuit breakers.

How to select the correct SIEMENS ED-Frame circuit breaker for my application?

To select the correct SIEMENS ED-Frame circuit breaker, verify your system's voltage, current rating, and available fault current. The ED42B020 is rated for 20 A with 18kA at 480V AC and a fixed instantaneous trip. Ensure terminal connections match your wiring (load side lug). Consult a qualified engineer for proper coordination and compliance with local codes.

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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