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Siemens 3TC4817-0BK1 AC Contactor - 75A, 120V AC

Siemens 3TC4817-0BK1 2-pole AC contactor, frame size 4, 75A.

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ManufacturerSiemens

Part number3TC4817-0BK1

Part Number 3TC4817-0BK1

Manufacturer Siemens

Frame Size 4

Poles 2

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AC Operation 75A Rating Frame Size 4 120V AC/100V AC Coil 2-Pole Configuration 22 Auxiliary Contacts (2 NO, 2 NC)

Product description

The Siemens 3TC4817-0BK1 is a 2-pole AC contactor within frame size 4, rated for 75A. It is designed for AC operation with coil voltages of 120V AC at 60Hz or 100V AC at 50Hz. This contactor includes 22 auxiliary contacts, configured as 2 normally open (NO) and 2 normally closed (NC) contacts, facilitating versatile control and signaling.

This contactor is suitable for a wide array of industrial applications involving AC power switching, such as motor control, lighting control, and general power distribution in manufacturing plants, commercial buildings, and machinery.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TC4817-0BK1. We provide reliable, high-quality surplus industrial automation components to help keep your operations running smoothly.

Technical specifications

Part Number	3TC4817-0BK1
Manufacturer	Siemens
Frame Size	4
Poles	2
Operation	AC
Rated Current	75 A
Coil Voltage	120 V AC 60 Hz / 100 V AC 50 Hz
Auxiliary Contacts	22 (2 NO + 2 NC)

Common applications

AC Motor Control

Power Distribution

Lighting Control

Industrial Automation

Control Panels

Compatible systems

Siemens AC Control Systems

Also known as

Siemens 75A AC Contactor 3TC4817 AC Siemens Frame Size 4 AC Contactor

Replaces / compatible with

This AC contactor is suitable for replacing Siemens AC contactors of frame size 4 with similar voltage and current requirements. Verify coil voltage compatibility.

Technical note

Expert tip

When installing, ensure the incoming power matches either the 120V AC @ 60Hz or 100V AC @ 50Hz rating for proper coil energization.

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Frequently asked questions

What are the coil voltage options for the Siemens 3TC4817-0BK1 contactor?

The Siemens 3TC4817-0BK1 contactor is designed for AC operation and supports dual coil voltage frequencies. It can operate with a 120V AC coil at 60Hz or a 100V AC coil at 50Hz, offering flexibility for different power systems.