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Siemens Molded Case Circuit Breaker: 70 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: 70 A Amps, 42kA at 480V AC, Fixed, Load Side Lug

The SIEMENS Molded Case Circuit Breaker is a 70 A ED-Frame unit from the HED4 series, rated for a maximum interrupting capacity of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase connection, and…

SKU 3G-OTH-22596

Brand
Siemens
Item
Molded Case Circuit Breaker: 70 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
HED43B070
Series
HED4
Type
42kA at 480V AC, Fixed, Load Side Lug, ABC, HED4
Max. AIR Rating
42kA at 480V AC
Phase Connection
ABC
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 a 70 A ED-Frame unit from the HED4 series, rated for a maximum interrupting capacity of 42kA at 480V AC. It features a fixed instantaneous trip, ABC phase connection, and load-side lug terminal connection (MPN HED43B070).

Frequently Asked Questions

What is the SIEMENS HED43B070 molded case circuit breaker used for?

The SIEMENS HED43B070 is a 70 A ED-frame molded case circuit breaker used for overcurrent protection in industrial power distribution panels, motor control centers, and branch circuits. It is suitable for applications requiring a fixed instantaneous trip and ABC phase connection, with a maximum interrupting rating of 42kA at 480V AC.

What are the specifications of the SIEMENS HED43B070 circuit breaker?

The SIEMENS HED43B070 is a 70 A molded case circuit breaker from the HED4 series. It has a maximum AIR rating of 42kA at 480V AC, fixed instantaneous trip, ABC phase connection, and load-side lug terminal connection. The manufacturer part number is HED43B070.

Where to buy the SIEMENS HED43B070 circuit breaker worldwide?

3G Electric supplies the SIEMENS HED43B070 molded case circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct SIEMENS HED4 series circuit breaker for an application?

To select the correct SIEMENS HED4 series circuit breaker, verify the required current rating (e.g., 70 A), voltage (480V AC), interrupting capacity (42kA), phase connection (ABC), and terminal type (load-side lug). The HED43B070 is a fixed instantaneous trip model. Consult the Siemens ED-frame selection guide 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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SIEMENS Molded Case Circuit Breaker: 70 A Amps, 42kA at 480V AC, Fixed, Load Side Lug, Any, HED4 (MPN HED42B070). Key specifications — Phase Connection: Any; Instantaneous Trip: Fixed; Terminal Connection: Load Side Lug; Series: HED4; Max. AIR Rating: 42kA at 480V AC.
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