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The Siemens 3VA9277-0HC30 is a synchronizable motor operator accessory, part of the SENTRON product line. This accessory is designed for use with 3VA5 250 and 3VA6 150/250 circuit breakers, providing a motorized operating mechanism with a stored energy system.
Key electrical specifications include a rated control supply voltage range of 110-230V AC at 50/60 Hz and 110-250V DC. The operational power is rated at 300 VA. The mechanism features a typical make time and break time of 0.08 seconds.
Mechanically, the unit has dimensions of 118.7 mm in height, 105 mm in width, and 162.8 mm in depth, with a net weight of 1877 g. 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 -25°C to 70°C, and the storage temperature range is -40°C to 80°C. The tightening torque for connections is specified between 0.36 N·m and 0.44 N·m.
This accessory is suitable for applications requiring remote or automated operation of compatible Siemens circuit breakers.
Typical make and break time of 0.08 seconds each.
110-240 V AC at 50/60 Hz, and 110-250 V DC.
-25 to 70°C.
Height 118.7 mm, width 105 mm, depth 162.8 mm.
1877 g.
300 VA.
Solid, stranded, and finely stranded conductors from 1.5 to 2.5 mm².