Replacement Coil, 3TX Series, Variant HY1 - 3TX74023HY1

🔹 Replacement Coil – Siemens 3TX74023HY1 (3TX Series)

The Siemens 3TX74023HY1 is a coil-related accessory used in Siemens contactor systems, designed for reliable electromagnetic operation in industrial control applications. It is part of the 3TX7402 coil/coil-accessory family used in Siemens 3TX / 3TF series contactors for maintaining proper switching performance.

In Siemens coding, “HY1” typically refers to a specific coil execution variant, usually related to voltage range or coil design type, depending on the contactor frame it is paired with. It is used to ensure correct energizing and de-energizing of the contactor in industrial automation systems.

(Some related 3TX74023 variants are also used for surge suppression or coil-side protection modules in contactor assemblies.)

🔹 Key Features

• Siemens 3TX Series replacement coil
• Model: 3TX74023HY1
• Used for Siemens 3TX / compatible 3TF contactor systems
• Ensures proper electromagnetic actuation of contactor
• Industrial-grade insulation and thermal stability
• Designed for continuous duty operation
• Suitable for control panels and automation systems
• Helps maintain reliable pull-in and drop-out performance
• Compatible with Siemens modular contactor assemblies
• Low maintenance replacement component