Siemens Contactor Coil for 3TF30–3TF33, 3TF40–3TF43, 3TH3/3TH4, 3TB40–3TB44, 3TC44 & 3TH8, 240V AC – 3TY74030AU0

Product Description

The Siemens 3TY74030AU0 is an AC magnet coil / contactor coil designed for a wide range of Siemens contactors and control relays, including 3TF30 to 3TF33, 3TF40 to 3TF43, 3TH3, 3TH4, 3TB40 to 3TB44, 3TC44 and 3TH8 series. It operates at 240V AC 50Hz and 288V AC 60Hz and serves as a replacement for the legacy 3TY48030AU0 coil.

This coil provides the electromagnetic force required to actuate compatible Siemens contactors and control devices. It is commonly used in motor control panels, industrial automation systems, switchboards, machinery control circuits and OEM equipment.

The 3TY74030AU0 is an ideal replacement spare part for maintenance and repair applications, helping restore reliable operation of compatible Siemens contactors without replacing the complete device.

Key Features

• Brand: Siemens
• Product Type: AC Magnet Coil / Contactor Coil
• Part Number: 3TY74030AU0
• Control Voltage: 240V AC at 50Hz
• Control Voltage: 288V AC at 60Hz
• Replacement For: 3TY48030AU0
• Compatible with multiple Siemens contactor series
• Reliable electromagnetic operation
• Suitable for maintenance and replacement applications
• Genuine Siemens spare part for industrial control systems

Compatible Devices

The Siemens 3TY74030AU0 coil is suitable for:

• Siemens 3TF30 contactors
• Siemens 3TF31 contactors
• Siemens 3TF32 contactors
• Siemens 3TF33 contactors
• Siemens 3TF40 contactors
• Siemens 3TF41 contactors
• Siemens 3TF42 contactors
• Siemens 3TF43 contactors
• Siemens 3TH3 relays
• Siemens 3TH4 relays
• Siemens 3TB40 to 3TB44
• Siemens 3TC44
• Siemens 3TH8 series devices

Applications

• Motor starter panels
• Industrial automation systems
• Electrical control panels
• OEM machinery
• Manufacturing plants
• Process industries
• Power distribution systems
• Contactor maintenance and repair

Benefits

Reliable Switching Performance

Provides dependable electromagnetic actuation for compatible Siemens contactors and relays.

Wide Compatibility

Designed for use across multiple Siemens 3TF, 3TH, 3TB and 3TC series products.

Cost-Effective Maintenance

Allows replacement of a faulty coil without replacing the entire contactor assembly.

Genuine Siemens Replacement

Designed to match original Siemens specifications for performance and fitment.

Easy Installation

Suitable for maintenance teams, panel builders and OEM service applications.

Why Choose Siemens 3TY74030AU0?

The Siemens 3TY74030AU0 is a trusted replacement coil for legacy Siemens contactor systems. Its compatibility across multiple Siemens product families makes it a practical spare part for industrial maintenance inventories and control panel servicing.

Buy Siemens 3TY74030AU0 from SB Smart

Looking for a Siemens 3TY74030AU0 contactor coil supplier in India? SB Smart supplies Siemens contactor coils, main contact kits, auxiliary contacts, overload relays and industrial automation spare parts for OEMs, panel builders and maintenance professionals.

Frequently Asked Questions

1. What is Siemens 3TY74030AU0?
It is an AC magnet coil designed for Siemens 3TF, 3TH, 3TB and 3TC series contactors and relays.

2. What voltage does this coil operate on?
The coil operates at 240V AC 50Hz and 288V AC 60Hz.

3. Which part does it replace?
It is a replacement for Siemens 3TY48030AU0.

4. Which contactors are compatible with this coil?
It is compatible with Siemens 3TF30–33, 3TF40–43, 3TH3, 3TH4, 3TB40–44, 3TC44 and 3TH8 series devices.

5. Is it suitable for industrial control panels?
Yes, it is commonly used in industrial motor-control and automation systems.