T730B-609EL8N Sanyo Denki
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The Sanyo Denki T730B-609EL8N is a servo motor in the T SANMOTION Servo Motors series, featuring a rated output of 300 W and a flange size of 76 mm. This motor has an IP43 protection code, overall length of 196.5 mm, and includes a 1000 pulse per revolution line driver encoder. The brake holding torque is 1.47 Newton-meters, and the motor mass is 2.75 kg.
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Product Description:
The T730B-609EL8N is a brushless servo motor produced by Sanyo Denki within the T SANMOTION Servo Motors series. In automated machinery, it converts drive current into controlled rotational motion so positioning tables, feeders, and small actuators can follow precise speed or torque commands from a servo amplifier. The integrated electromagnetic brake allows the axis to hold its position when power is removed, making the unit suitable for vertical or safety-critical axes where load drift must be prevented.
At full load, the motor supplies 300 W of continuous mechanical power, which is the maximum shaft output available without exceeding thermal limits. Position feedback is generated by a line-driver encoder that provides 1000 P/R, giving the controller 4,000 counts per revolution after quadrature decoding for accurate closed-loop control. The housing has an ingress protection rating of IP43, providing protection against solid objects larger than 1 mm and water sprayed at angles up to 60 degrees from vertical. Dynamic response is supported by a rotor inertia of 2.708 × 10⁻⁴ kg·m², which helps limit acceleration current demand. A 76 mm square flange aligns with standard mounting plates, while the overall length of 196.5 mm keeps the motor compact in multi-axis assemblies. The line-driver output supports noise-resistant signal transmission between the encoder and servo amplifier. The shaft end has an M5 internal thread tapped to a depth of 8 mm for secure coupling attachment.
Holding capability is supplied by the built-in brake, which clamps the rotor with 1.47 N·m of static torque. The coil is energized by 90 V and draws 0.11 A during release, allowing the brake control circuit to operate with modest power requirements. The additional brake hardware adds 0.59 kg to the assembly, bringing the total motor mass to 2.75 kg. Power is transmitted through a shaft with a diameter of 14 mm, providing a compact mechanical interface for compatible couplings. The brake prevents the connected load from drifting when motor power is unavailable, while the shaft transfers torque during normal operation.
