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Siemens 3TC4817-0AP4 DC Contactor - 75A, 230V DC

Siemens 3TC4817-0AP4 2-pole DC contactor, frame size 4, 75A, 230V DC.

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ManufacturerSiemens

Part number3TC4817-0AP4

Part Number 3TC4817-0AP4

Manufacturer Siemens

Frame Size 4

Poles 2

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Heavy-Duty DC Contactor 75A Rating Frame Size 4 230V DC Coil 2-Pole Configuration 22 Auxiliary Contacts (2 NO, 2 NC)

Product description

The Siemens 3TC4817-0AP4 is a high-capacity 2-pole contactor designed for direct current (DC) applications. Belonging to frame size 4, it is rated for 75A and operates with a 230V DC coil. This contactor is equipped with 22 auxiliary contacts, comprising 2 normally open (NO) and 2 normally closed (NC) contacts, providing ample signaling and control capabilities.

This heavy-duty DC contactor is suitable for demanding applications such as main power switching in DC motor control systems, industrial battery charging systems, and large-scale DC power distribution. Its robust construction ensures reliability in industrial environments.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3TC4817-0AP4. We provide high-quality surplus components to ensure your critical DC power and control systems remain operational and efficient.

Technical specifications

Part Number	3TC4817-0AP4
Manufacturer	Siemens
Frame Size	4
Poles	2
Operation	DC
Rated Current	75 A
Coil Voltage	230 V DC
Auxiliary Contacts	22 (2 NO + 2 NC)

Common applications

DC Motor Control

Industrial Battery Systems

DC Power Distribution

High Current DC Switching

Renewable Energy Systems

Compatible systems

Siemens DC Control Systems

Also known as

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

Replaces / compatible with

This contactor is suitable for replacing existing Siemens DC contactors of frame size 4 with similar current and voltage ratings. Always verify coil voltage and auxiliary contact requirements.

Technical note

Expert tip

For DC applications, ensure the contactor's breaking capacity is sufficient for the inductive load to prevent arc flash and premature failure.

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Frequently asked questions

What is the current and voltage rating for the Siemens 3TC4817-0AP4 DC contactor?

The Siemens 3TC4817-0AP4 is a 75 Ampere (75A) contactor designed for direct current (DC) operation with a coil voltage of 230 Volts DC (230V DC). It is built for heavy-duty applications requiring significant DC switching capacity.