The Siemens 3TY48030BD4 is a DC magnet coil / contactor coil designed for compatible Siemens contactors and control devices, including 3TF30–3TF33, 3TF40–3TF43, 3TH3, 3TH4, 3TB40–3TB43 and 3TH8 series. It is specified for 42V DC control applications. Siemens product listings identify 3TY4803-0BD4 as a 42V DC coil for these contactor families.
The coil is the electromagnetic operating component that actuates the contactor when the specified DC control voltage is applied. It is suitable as a replacement spare coil for maintenance, servicing and repair of compatible Siemens contactors.
The Siemens 3TY48030BD4 contactor coil is suitable for:
The 3TY48030BD4 is designed for 42V DC control circuits and provides the electromagnetic actuation required by compatible Siemens contactors.
The same coil reference is designed for several compatible Siemens 3T contactor and control-device families.
It provides a practical replacement solution when an existing compatible contactor coil is faulty or damaged.
Replacing the coil can help restore contactor operation without replacing the complete contactor, provided the remaining components are serviceable.
Suitable for OEM equipment, motor starters, industrial control panels and electrical maintenance applications.
The Siemens 3TY48030BD4 is a dedicated 42V DC magnet coil for compatible Siemens 3T contactors and control devices. Its broad compatibility makes it useful for industrial maintenance and replacement applications.
Always verify the exact contactor model, existing coil reference and control voltage before installation.
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1. What is Siemens 3TY48030BD4?
The 3TY48030BD4 is a Siemens 42V DC magnet coil for compatible 3T contactors and control devices.
2. What is the coil voltage?
The coil is specified for 42V DC.
3. Which contactors are compatible?
Compatible families include 3TF30–3TF33, 3TF40–3TF43, 3TH3, 3TH4, 3TB40–3TB43 and 3TH8.
4. What is this coil used for?
It is used to provide electromagnetic actuation for compatible Siemens contactors and as a replacement spare during maintenance.
5. What should I verify before purchasing?
Check the contactor model, existing coil part number and 42V DC control-voltage requirement to confirm compatibility.
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TY Series |
| Model Number | 3TY48030BD4 |
| Product Type | Magnet Coil for Contactor |
| Function | Electromagnetic actuation of contactor |
| Application | Siemens 3TF / 3TH / 3TB contactor systems |
| Coil Type | DC Coil |
| Coil Voltage | ~42V DC |
| Variant Code | BD4 |
| Mounting Type | Internal coil assembly |
| Usage | Industrial control, motor switching, maintenance |
| Brand | Siemens |
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