Siemens Accessories for Extended Door Mounted Rotary Operator (Standard – Gray) – 3VW9727-0FK21
The Siemens 3VW9727-0FK21 is a door-coupling rotary operating mechanism accessory designed for use with SENTRON 3VA circuit breakers (MCCB systems). It enables safe and external door-mounted operation of the breaker, allowing users to switch ON/OFF and observe the breaker position without opening the panel door.
This accessory is part of the Siemens 3VW9 series operating mechanisms, commonly used in industrial control panels, MCC/PCC systems, and power distribution boards where safe isolation and external operation are required.
Key Features:
• Siemens MCCB accessory
• Part Number: 3VW9727-0FK21
• Extended door-mounted rotary operator system
• Standard gray color finish
• Provides mechanical door interlocking with breaker operation
• Allows safe ON/OFF operation from panel door exterior
• Compatible with Siemens 3VA MCCB systems (selected frame sizes)
• Ensures clear switch position indication (I / O status visibility)
• Robust industrial-grade construction for long service life
• Suitable for retrofit and new panel installations
• Improves safety by preventing door opening under load condition
|
Parameter |
Specification |
|
Product Series |
Siemens 3VW9 Accessories |
|
Part Number |
3VW9727-0FK21 |
|
Product Type |
Door Mounted Rotary Operator Accessory |
|
Application |
MCCB operating mechanism (door coupling) |
|
Mounting Type |
Door-mounted + internal coupling linkage |
|
Function |
External operation of circuit breaker |
|
Color |
Gray (standard) |
|
Compatibility |
Siemens 3VA circuit breakers (selected models) |
|
Operation |
Mechanical rotary handle system |
|
Safety Feature |
Door interlock with breaker position indication |
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