Over torque protection compact smart electric actuator/torque test control

Features

• Quarter turn with mechanical limits
• Integral design of Motor/control box/housing to make whole actuator compact
• Over torque protection by torque test function of smart full potted controller
• High performance EMC with EFT, ESD and high voltage surge tested for control pack
• Heavy duty motor with thermal overload protection
• Hard high pressure die cast aluminum housing with weather proof IP67 and NEMA 4X
• Valve position indicator/flat indicator or convex indicator available
• Manual override with wrench or handwheel
• CSA Certification per UL and CSA standard/CE marked/RoHS 3.0 passed

Specification

Description

The DCL Smart Modulating Electric Actuator is integrated with an Electric Positioning System (EPS) positioner, wherein the rotational angle of the output drive shaft maintains a precise linear proportional relationship with the input control signal — available in 4–20 mA, 2–10 V, or 1–5 V signal protocols.

The intelligent controller also features real-time motor current monitoring functionality. In the event of motor stalling, the operating current will experience an abrupt, significant surge. The controller is programmed to cut off the motor power supply precisely 3 seconds after detecting this current surge. This constitutes an electronic over-torque protection mechanism, which offers superior precision compared to traditional mechanical over-torque protection solutions.

All actuators have undergone rigorous third-party certification testing by CSA, in full compliance with both UL and CSA industry standards. The continuous duty cycle rating for the entire product series exceeds 70%. Additionally, the EPS positioner system incorporates an automatic self-calibration function, which effectively eliminates the "hunting" phenomenon (oscillation around the set position) and provides a standard output signal for real-time position monitoring.