T720T-012 Sanyo Denki
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The Sanyo Denki T720T-012 is a servo motor from the T SANMOTION Servo Motors series, featuring a rated output of 200 watts and a motor diameter of 76 mm. It has a rated speed of 3000 min^-1, a maximum speed of 5000 min^-1, and is protected by an IP43 system. The motor comes with a stall torque of 0.77 N·m and a winding resistance of 2.8 ohms.
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Product Description:
The T720T-012 is a brushless servo motor manufactured by Sanyo Denki and supplied under the T SANMOTION Servo Motors series. It functions as a precision actuator in industrial automation systems, turning electrical commands from a drive into tightly regulated shaft movement for pick-and-place gantries, small conveyors, and indexing tables. A motor diameter of 76 mm permits direct mounting on compact frames, and the factory-terminated lead set measures 1,000 mm so the unit can reach a nearby junction box without extensions.
During continuous operation, the motor delivers 200 W of mechanical power while maintaining a rated shaft speed of 3,000 rpm. At this operating point, it delivers 0.64 N·m of rated torque, and the windings can withstand brief overloads up to the stall torque of 0.77 N·m without losing synchronism. For rapid acceleration, the rotor can reach a maximum speed of 5,000 rpm, and short bursts can generate up to 5.4 N·m of peak torque. A phase inductance of 3.0 mH affects current rise time, while a winding resistance of 2.8 Ω determines resistive losses and heat generation. The 75 V nominal winding voltage allows direct connection to low-voltage servo amplifiers in compact machines.
The enclosure has an IP43 protection rating, so it resists access by tools or wires larger than 1 mm and protects against water sprayed at angles up to 60 degrees from vertical. The electrical insulation withstands 600 VAC for 1 minute, providing a safety margin against temporary overvoltage. Dynamic response is supported by a mechanical time constant of 7.8 ms, allowing the drive to change velocity quickly without excessive energy storage in the rotor. The torque constant of 0.23 N·m/A indicates that each ampere of current produces nearly one-quarter of a newton-meter of torque, which supports current-loop tuning. Class F winding insulation allows the coils to operate at elevated temperatures before insulation degradation occurs. The housing’s heat-dissipation profile helps keep the temperature rise within operating limits.
