🔹 Auxiliary Contactor Relay – Siemens 3TH30220AM0 (3TH Series)
The Siemens 3TH30220AM0 is an auxiliary contactor relay from the 3TH series, designed for control, signaling, and interlocking applications in industrial electrical systems. It is used in control panels and automation systems to increase the number of auxiliary contacts of main contactors and support reliable control circuit operation.
This relay is suitable for PLC-based control systems, MCC panels, and machine automation setups where safe and accurate switching of low-power control signals is required. It ensures stable performance, long electrical life, and dependable operation in continuous industrial environments.
🔹 Key Features
• Siemens 3TH Series auxiliary contactor relay
• Model: 3TH30220AM0
• Designed for control, signaling, and interlocking functions
• Used to extend auxiliary contact capacity of contactors
• High electrical and mechanical durability
• Compact modular design for panel mounting
• Suitable for PLC and automation control systems
• Reliable low-power switching performance
• Easy installation in control panels
• Shock and vibration resistant construction
• Long service life with minimal maintenance
• Compatible with industrial control circuits
• Safe and stable operation in harsh environments
• Suitable for MCC and distribution panels
| Parameter | Specification |
|---|---|
| Product Series | Siemens 3TH Auxiliary Contactor Relay |
| Model Number | 3TH30220AM0 |
| Product Type | Auxiliary Contactor Relay |
| Function | Control / Signal Switching / Interlocking |
| Contact Configuration | 2NO + 2NC (typical AM0 variant) |
| Coil Voltage | As per AM0 variant (refer datasheet) |
| Mounting Type | Panel Mounting |
| Application | PLC systems, MCC panels, control circuits |
| Brand | Siemens |
| Duty Type | Control / Auxiliary Switching |
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