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Siemens HE43B100 100A 4-Pole Contactor

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ManufacturerSiemens

Part numberHE43B100

Amperage 100A

Poles 4

Voltage Up to 600V AC

Series HE

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12-month warranty

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Veteran-owned

CAGE: 9NK75

100A continuous rating 4-pole configuration Suitable for various AC loads Robust industrial design Versatile switching capabilities

Product description

The Siemens HE43B100 is a high-capacity 100 Amp, 4-pole contactor designed for versatile industrial switching applications. It operates at up to 600V AC and its four poles offer flexibility for controlling multiple circuits simultaneously or for specialized switching configurations. This contactor provides reliable performance in demanding environments.

This contactor is well-suited for applications requiring control of multiple circuits, such as in HVAC systems, complex motor control circuits, or industrial automation where additional poles are beneficial for signaling or load management. Its robust construction ensures durability.

As a veteran-owned surplus parts distributor, Stanlo Automation is a reliable source for the Siemens HE43B100. We provide quality tested components to help you secure the parts you need quickly and efficiently, supporting your automation and maintenance efforts.

Technical specifications

Amperage	100A
Poles	4
Voltage	Up to 600V AC
Series	HE

Common applications

HVAC systems

Motor control with auxiliary contacts

Industrial automation

Complex power switching

Lighting control

Compatible systems

Industrial control panels HVAC systems Automation equipment AC power circuits up to 600V

Also known as

Siemens HE43B100 4-pole contactor HE43B100 industrial switch

Replaces / compatible with

Designed to replace older Siemens 4-pole contactors or for new systems requiring the flexibility of four poles for switching. Compatible with standard DIN rail or panel mounting.

Technical note

Expert tip

When used for motor control, ensure that the combined load on the poles does not exceed the contactor's overall rating.

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Frequently asked questions

What is the advantage of a 4-pole contactor like the HE43B100?

A 4-pole contactor, such as the Siemens HE43B100, offers greater flexibility. It can control two separate single-pole loads, or be used for specific applications like controlling a motor and its associated auxiliary circuits simultaneously.