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The Siemens SENTRON 3VA9277-0HC35 is a motorized operating mechanism with a stored energy mechanism, functioning as a synchronizable motor operator. It is designed as an accessory for Siemens 3VA5 250 and 3VA6 150/250 circuit breakers.
This motor operator supports a wide range of control supply voltages, including 110-240V AC at 50/60 Hz and 110-250V DC. It has a rated operational power of 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 accommodates solid and finely stranded conductors with core end processing ranging from 1.5 mm² to 2.5 mm².
The operating temperature range is from -25 °C to 70 °C, while the storage temperature range is 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 for connections.
The rated control supply voltage is 110 V to 240 V AC at 50 Hz or 60 Hz, and 110 V to 250 V DC.
The rated operational power is 300 VA.
Typical make time is 0.08 s and typical break time is 0.08 s.
Height is 118.7 mm, width is 105 mm, depth is 162.8 mm, and net weight is 1877 g.
Connectable conductor cross-sections range from 1.5 mm² to 2.5 mm² for solid, stranded, and finely stranded conductors with core end processing.
The operating ambient temperature range is -25 °C to 70 °C.
The storage temperature range is -40 °C to 80 °C.