The Siemens 3WT98841JC10 is an undervoltage release accessory module designed for the SENTRON 3WT Air Circuit Breaker (ACB) series, providing enhanced electrical protection and safety in industrial and commercial power distribution systems.
This device ensures that the circuit breaker will automatically trip when the control supply voltage drops below a safe operating level, helping to prevent equipment damage, unsafe operating conditions, and system instability. It is a critical safety component in modern switchgear installations.
The undervoltage release is commonly used in industrial plants, data centers, commercial buildings, hospitals, and critical infrastructure, where continuous voltage monitoring and fail-safe disconnection are required.
In case of a voltage dip or complete loss of control voltage, the module forces the breaker to open, ensuring that machinery and electrical systems are protected from unexpected restarts or partial voltage conditions.
As part of the Siemens SENTRON 3WT accessory ecosystem, this undervoltage release integrates seamlessly with withdrawable air circuit breakers and supports reliable operation in demanding environments.
• Genuine Siemens SENTRON 3WT undervoltage release module
• Model: 3WT98841JC10
• Trips breaker during voltage loss or voltage drop
• Enhances electrical system safety and protection
• Prevents unsafe restart conditions
• Suitable for emergency and fail-safe applications
• Compatible with PLC and control circuits (indirectly via interlocking systems)
• Designed for industrial switchgear panels
• Reliable and fast tripping response
• Long service life with robust Siemens engineering
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3WT |
| Model Number | 3WT98841JC10 |
| Product Type | Undervoltage Release (UVR) |
| Function | Trips breaker on voltage failure/drop |
| Application | Protection & Safety Interlocking |
| Compatibility | SENTRON 3WT Air Circuit Breakers |
| Operation Type | Voltage-dependent mechanical/electrical release |
| Mounting Type | Plug-in accessory module |
| Usage | Industrial & Commercial Switchgear |
| Brand | Siemens |
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