Product Description

Siemens Contactor Coil for 3TF44/45, DC 24V – 3TY74430BB4

Product Description

The Siemens 3TY74430BB4 is a DC contactor coil / magnet coil designed for compatible Siemens 3TF44 and 3TF45 contactors. It is rated for 24V DC and is used to actuate the contactor mechanism when the specified control voltage is applied.

This 24V DC contactor coil is suitable for industrial motor-control systems, motor starters, electrical control panels, automation systems, machinery and OEM equipment. It can be used as a replacement spare during contactor maintenance, servicing and repair.

A properly functioning coil is essential for reliable contactor operation. Replacing a defective coil with the correct 3TY74430BB4 can help restore the switching function of a compatible Siemens contactor without replacing the complete contactor, provided the remaining components are serviceable.

Key Features

• Brand: Siemens
• Product Type: DC Contactor Coil / Magnet Coil
• Part Number: 3TY74430BB4
• Compatible Contactors: 3TF44 and 3TF45
• Coil Voltage: 24V DC
• Designed for compatible Siemens contactors
• Suitable for replacement and maintenance
• Reliable electromagnetic operation
• Suitable for industrial motor-control applications

Applications

The Siemens 3TY74430BB4 contactor coil is suitable for:

• Siemens 3TF44 contactors
• Siemens 3TF45 contactors
• Motor starter assemblies
• Industrial motor-control panels
• Electrical control cabinets
• Industrial automation systems
• Manufacturing machinery
• OEM equipment
• Contactor repair and maintenance
• Industrial switching applications

Benefits

Reliable Contactor Operation

The coil provides the electromagnetic force required to operate compatible Siemens contactors.

24V DC Control

The 3TY74430BB4 is designed for 24V DC control circuits, suitable for compatible low-voltage DC control systems.

Practical Replacement Solution

It provides a replacement option for worn or faulty coils in compatible 3TF44 and 3TF45 contactors.

Easy Maintenance

Replacing the coil can help restore contactor operation without replacing the complete contactor where appropriate.

Industrial Application

Suitable for motor control, automation, machinery and electrical switching systems.

Why Choose Siemens 3TY74430BB4?

The Siemens 3TY74430BB4 is a dedicated 24V DC contactor coil for compatible 3TF44/45 contactors. It is suitable for OEMs, panel builders, electrical contractors and maintenance teams looking for Siemens contactor spare parts.

Always verify the contactor model, coil part number and control voltage before installation.

Buy Siemens 3TY74430BB4 from SB Smart

Looking for a Siemens 3TY74430BB4 contactor coil supplier in India? SB Smart supplies Siemens contactor coils, DC coils, main contact kits, auxiliary contacts, timer attachments and industrial electrical spare parts for OEMs, panel builders, electrical contractors and maintenance teams.

Frequently Asked Questions

1. What is Siemens 3TY74430BB4?
The 3TY74430BB4 is a Siemens 24V DC contactor coil designed for compatible 3TF44 and 3TF45 contactors.

2. What is the coil voltage?
The coil is rated for 24V DC.

3. Which contactors are compatible with this coil?
It is designed for compatible Siemens 3TF44 and 3TF45 contactors.

4. Can 3TY74430BB4 be used as a replacement coil?
Yes, provided the existing contactor and coil configuration are compatible with this part number.

5. What should I check before purchasing?
Verify the contactor model, Siemens part number and control voltage to ensure compatibility.