At the heart of the StG EC 15/30-P actuator with integrated positioner is a brushless permanent magnet synchronous motor developed by HEINZMANN. Its magnet system generates very powerful torques in both directions of rotation, with an adjustment angle of up to 90°.
The actuator is available with a choice of 15 Nm or 30 Nm maximum torque. The low mass moment of inertia means that very short actuating times are achieved. A high precision sensor delivers a precise signal for the angular position of the actuator shaft. This enables the control quality to be maximised.
As an option, the actuator is available with a return spring. This returns it to the zero position if the power supply fails. The control electronics are available with liquid cooling as an option. The StG 15/30-P is available in two versions with different temperature stability. The control electronics can also be installed outside the device for applications involving extreme ambient temperatures.
Depending on the configuration, the position setpoint can be an analogue current or voltage signal or a PWM signal. Communication with the actuator can optionally be via CAN or RS-232.
optionally up to 90°
without return spring
|Maximum torque||15 Nm or 30 Nm|
|Torque in steady state||max. 8 Nm or 15 Nm|
|Actuating time without load||80 ms (75°)|
|Actuating shaft||Serration 5/8"-36|
|Weight||approx. 12.5 kg|
|Supply voltage||18 ... 32 VDC,
nom. 24 VDC
Current consumption in hold condition
|approx. 3.5 A|
|Degree of protection||IP6K9K|
|Ambient temperature||• -40 ... +85 °C
• -40 ... +120 °C
• -40 ... +150 °C
(with external electronics)
|Storage temperature||-40 ... +90 °C|
|Permitted humidity||< 95 % at 55 °C|
|Position setpoint||4 ... 20 mA (max. 240 Ω),
0 ... 5 V, 10 V,
|Stop input||Binary input|
|Communication||CAN protocol: CANopen/J1939
Other protocols on request,