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The Siemens 3VA9447-0HA10 is a motorized operating mechanism accessory for the 3VA5 and 3VA6 series circuit breakers, specifically for 400/600A models. This component facilitates remote operation of the circuit breaker.
Key electrical specifications include a rated control supply voltage range of 24V to 60V DC, with a typical make time of 1.7 seconds and a break time of 1.3 seconds. The rated operational power is 250 VA.
Mechanically, the unit has dimensions of 92 mm in height, 138 mm in width, and 149 mm in depth, with a net weight of 1310g. It supports conductor cross-sections from 1.5 mm² to 2.5 mm² for solid, finely stranded, and stranded conductors. The operating temperature range is from -25°C to 70°C, and storage temperature ranges from -40°C to 80°C. The tightening torque for connections is specified between 0.36 N·m and 0.44 N·m, with a stripped length of 7 mm required for connections.
This motor operator is designed to enhance the functionality and control capabilities of compatible Siemens circuit breakers in various industrial and commercial applications.
The control supply voltage range is 24 to 60V DC.
The rated operational power is 250 VA.
The typical make time is 1.7 seconds and the typical break time is 1.3 seconds.
The dimensions are 92 mm height, 138 mm width, and 149 mm depth.
The operating temperature range is -25°C to 70°C.
It accepts solid, stranded, and finely stranded conductors from 1.5 mm² to 2.5 mm².
The tightening torque range is 0.36 N·m to 0.44 N·m.