Sun Yeh Electrical M Series, Operation Manual, Page: 5 / 75

【M Series】Multi-turn Electric Valve Actuator
2
2021.06
2 Product Overview
Sun Yeh M series multi-turn electric actuators are designed to provide output torque from 41 N

m
to 100 N

m (363 in

lb to 885 in

lb) and output speed from 15 rpm to 120 rpm which fit with various
types of valves. After combining with a gear box, the maximum output torque increases.
It comes standard with backlit LCD display and reed switches to make operation easily under dif-
ferent light conditions.
The manual override is equipped to enable the automatic operating mode switched to manual oper-
ation easily and stably, no matter under operation or during power outages.
2.1 Features

Five speeds can be chosen. The output torque remains constant when output speed changes.

High efficiency BLDC motor technology allows output torque and speed adjustable in both
directions.

Torque overload protection at each end of stroke.

Double-sealed and IP68 weatherproof.

Patent obtained in UK, USA, Taiwan, China, Japan, and Germany.

Setting, monitoring, and diagnosing are possible through local control and APP with Blue-
tooth.
(iOS / Android)

Available communication solutions: Modbus RTU RS485, Profibus DP V0.

Temperature of motor and electronic components is monitored.

Non-intrusive design allows setting and adjusting without cover removal.

Multi-language LCD display incorporated with reed switches makes operating, setting, ad-
justing easy and simple.

Automatic phase correction and phase loss protection.

Instantaneous reversal protection.

Four levels of assigned password protection hierarchical prevent unauthorized changes.