SE-KB4.020.030-00.000

The SE-KB4.020.030-00.000 is a precision synchronous servo motor engineered by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. This compact drive delivers a nominal speed (nn) of 3000 rpm and supports a peak current (imax) of 15 A, making it suitable for dynamic positioning tasks. With a mass (m) of 7 kg (excluding holding brake) and a maximum length (l) of 204 mm, it maintains a minimal footprint while offering robust mechanical performance. Designed for high demagnetization strength and a long service life, this motor exhibits a torque constant (kt) of 0.80 Nm/A and a voltage constant (ke) of 85 V/1000 rpm to ensure efficient energy conversion.

In terms of technical capabilities, the motor features a current at standstill (io) of 2.5 A and a winding inductance (l2ph) of 81.0 mH paired with a winding resistance (r2ph) of 17.30 Ohm for optimized electrical filtering. Its electrical time constant (tel) of 4.6 ms and mechanical time constant (tmech) of 19.0 ms enable rapid acceleration and deceleration profiles. The moment of inertia (j) of 0.74 kgm² ×10⁻³ contributes to low rotor inertia and high dynamic response. A thermal time constant (ttherm) of 11 min ensures reliable thermal management under continuous operation. The combination of these parameters guarantees precise control in demanding automated environments.

Operational features include a robust flange dimension of 185 Ø mm for secure mounting and a shaft dimension of Ø 19 × 28 mm delivering consistent power transmission. The motor’s optimized design supports a maximum operating speed of 6000 rpm at full load with minimal vibration. Integrated thermistor feedback allows real-time temperature monitoring, enhancing protection against thermal overload. The low moment of inertia and efficient winding design reduce acoustic noise, maintaining levels around 58 dB at a 1 m distance for quiet operation in sensitive installations.

This servo motor integrates seamlessly with standard drive controllers and industrial automation networks, leveraging its standardized mounting and electrical interfaces. Its compact form factor and IP67-rated housing enable deployment in harsh conditions, including washdown and dusty environments. Ideal applications span machine tools, packaging lines, robotics, and material handling systems where precision, reliability, and compactness are paramount. Engineers benefit from rapid commissioning and flexible system integration when implementing the SE-KB4.020.030-00.000 in advanced automation solutions.