The Siemens 3TY74030AZ6 is a spare AC contactor coil designed for compatible Siemens 3TS30, 3TS32 and 3TS33 Agriculture contactors/starters. It is specified for a wide control-voltage range of 200–400V AC at 50Hz, making it suitable for agriculture starter and motor-control applications.
Siemens documentation and current agriculture-starter price-list information identify 3TY7403-0AZ6 as the 200–400V coil for the 3TS30–34 range.
The coil is used to energize the contactor and operate its switching mechanism. It is suitable as a replacement spare during maintenance or repair of compatible Siemens agriculture starters, helping restore reliable contactor operation without replacing the complete contactor.
The Siemens 3TY74030AZ6 spare coil is suitable for:
The 200–400V AC wide-band coil provides flexibility for compatible control-voltage applications.
The coil provides the electromagnetic actuation required for compatible Siemens 3TS contactors.
It provides a practical replacement solution for a faulty or damaged coil in compatible agriculture starters.
Replacing the coil can help restore contactor operation without replacing the complete starter or contactor where appropriate.
The coil is particularly suitable for Siemens 3TS Agriculture starter applications used in motor and pump control.
The Siemens 3TY74030AZ6 is a dedicated 200–400V AC wide-band spare coil for compatible 3TS30–34 contactors. Siemens agriculture documentation specifically lists 3TY7403-0AZ6 as the coil for 200–400V applications.
Always verify the exact contactor/starter model and coil specification before installation.
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1. What is Siemens 3TY74030AZ6?
The 3TY74030AZ6 is a Siemens 200–400V AC spare contactor coil for compatible 3TS30–34 applications.
2. Which contactors use this coil?
It is listed for the 3TS30–34 range, including compatible 3TS30, 3TS32 and 3TS33 Agriculture starters.
3. What is the coil voltage?
The coil operates across a 200–400V AC range at 50Hz.
4. What is a wide-band coil?
A wide-band coil is designed to operate across a broader specified control-voltage range rather than at only one nominal voltage.
5. Can it be used as a replacement coil?
Yes, provided the existing Siemens contactor/starter is compatible with 3TY74030AZ6.
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TY Series |
| Model Number | 3TY7403-0AZ6 |
| Product Type | Magnet Coil for Contactor |
| Rated Control Voltage | 42V AC (50/60 Hz) |
| Compatible Contactors | 3TF30–33, 3TF40–43 |
| Application | Industrial motor control & automation systems |
| Coil Type | AC operated |
| Variant Code | AZ6 |
| Mounting Type | Internal coil assembly |
| Brand | Siemens |
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