Overview
The Siemens 3VA9137-0FK21 provides a robust interface for operating circuit breakers through a control cabinet door. As a standard IEC-compliant accessory, it is engineered for industrial environments where safety, durability, and ease of access are paramount. This rotary operator allows users to switch the 3VA51 breaker ON, OFF, or RESET without opening the panel door, maintaining the internal integrity of the enclosure.
Key Benefit
-
Enhanced Safety: The integrated door interlock prevents the cabinet door from being opened when the breaker is in the “ON” position, reducing the risk of accidental contact with live parts.
-
High Protection Rating: With an IP65 rating, this operator is dust-tight and protected against water jets, making it ideal for harsh industrial settings.
-
Ergonomic Operation: The rotary handle design provides clear tactile feedback and visible status indication.
-
Seamless Integration: Specifically engineered as a genuine accessory for the Siemens 3VA51 series, ensuring a perfect fit and long-term reliability.
Function
-
External Manual Actuation: Allows for the manual switching of the 3VA51 MCCB from the exterior of the enclosure.
-
Status Indication: Clearly displays the breaker status (ON/OFF/Tripped).
-
Interlock Mechanism: Locks the door in the closed position during operation; can be defeated by authorized personnel for maintenance using specific tools.
Visit 3VA9137-0FK21 for more detail info
For more our products visit turll












Reviews
There are no reviews yet.