KA850JS0

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The KA850JS0 servo motor offers a rated output of 500 W, a rated speed of 3000 min-1, a flange size of 88 mm square, and an IP43 protection level. Part of the K SANMOTION Servo Motors series by Sanyo Denki, it features a rated armature voltage of 75 VDC and a continuous stall torque of 0.42 Nm.

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Product Description:

KA850JS0 is a Sanyo Denki DC servo motor. It belongs to the 75 Volts DC class. Flange size of the servo motor is 88 millimeters. Its power output is 500 Watts. The motor housing is IP43 rated. A 90 Volts DC holding brake is available on the motor. A tacho generator is installed for feedback. The incremental encoder generates 2000 pulses per revolution. Rated armature voltage for the unit is 80 Volts. Rated torque of the KA850JS0 motor is 1.91 nm and the rated armature current is 7.4 Amps. Speed rating of the DC servo motor is 2500 RPM. The continuous stall torque is 2.16 Nm and the peak stall torque is 16.7 Nm. The armature stall current is 7.6 Amps and the peak armature stall current is 62 Amps.

Maximum speed of the KA850JS0 DC motor is 3000 RPM. The DC motor can deliver 6.1 kilowatts per second power. Torque constant of the motor is 0.286 Nm/A and the voltage constant is 0.030 Volts/RPM. Resistance of the armature winding is 0.53 Ohms and the inductance is 0.86 millihenry. The mechanical time constant is 3.9 milliseconds and the electrical time constant is 1.6 milliseconds. Specifications for the holding brake include 90 Volts voltage rating, 0.11 Amps current draw, 1.96 Nm holding torque, and 820 Ohms resistance. Approximate weight of the DC servo motor is 5.5 kilograms. Length of the motor is 268 millimeters. Compared to traditional motors, the cogging torque has been reduced by 50% for smoother operation and accurate movements. Furthermore, brush vibrations are lower and the motor rigidity is higher, leading to lower noise and improved performance. The motor consumes 30% less power than older designs.

Continuous Stall Torque
0.42 Nm
Encoder
Included
Flange Size
88 mm sq.
Lead Wire Length
1000 mm
Operating Temperature
0 to 40°C
Peak Stall Torque
3.4 Nm
Protection Level
IP43
Rated Armature Voltage
75 VDC
Rated Output
500 W
Rated Speed
2500 min-1
Rated Torque
0.35 Nm
Rotor Inertia
0.37×10^-4 kg·m2
Tachogenerator
Included

Frequently Asked Questions about KA850JS0:

Q: What is the maximum motor speed?

A: The maximum motor speed is 3000 RPM.

Q: How can you mount the motor?

A: The motor flange allows secure mounting.

Q: What is the cooling method?

A: The motor dissipates heat via convection cooling.

Q: From where does the motor obtain input power?

A: An amplifier provides motor power.

Q: What is the motor shaft diameter?

A: The motor shaft diameter is 16 millimeters.


Internal Product Review

  • ‘‘KA850JS0 is an IP43 rated motor. Its input rating is 75 Volts DC. The compact motor supports feedback for precise speed and position control.’’

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