The Siemens 3WT98640CA00 is an auxiliary contact accessory module designed for the SENTRON 3WT Air Circuit Breaker (ACB) series, used for status indication and control circuit applications in industrial electrical systems.
This module provides reliable electrical signaling of the circuit breaker’s operating conditions such as ON/OFF position and switching status, enabling effective monitoring and integration with automation systems.
It is widely used in industrial switchgear panels, MCCs (Motor Control Centers), PCCs (Power Control Centers), and building management systems (BMS) where real-time breaker status feedback is required for safe and efficient operation.
By transmitting breaker status signals to PLC, SCADA, and control circuits, this auxiliary contact improves system visibility, automation, and fault management capabilities in complex power distribution networks.
The 3WT auxiliary contact system is part of Siemens’ modular accessory platform, allowing flexible configuration and reliable expansion of SENTRON 3WT Air Circuit Breakers.
• Genuine Siemens SENTRON 3WT auxiliary contact module
• Model: 3WT98640CA00
• Provides breaker ON/OFF status indication
• Suitable for control and monitoring applications
• Supports PLC and SCADA integration
• Enhances system automation and safety
• Designed for industrial switchgear systems
• Reliable electrical signaling performance
• Easy plug-in installation with 3WT ACB system
• Durable design for long operational life
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Model Number | 3WT98640CA00 |
| Product Type | Auxiliary Contact / Status Indication Accessory |
| Function | ON/OFF status signaling |
| Application | Control & Monitoring Systems |
| Compatibility | SENTRON 3WT Air Circuit Breakers |
| Mounting Type | Plug-in / Modular accessory (variant dependent) |
| Usage | Industrial & Commercial Switchgear |
| Brand | Siemens |
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