Eltorque QT250 - 1.2 Description; 1.3 Features

Introduction
Page 8 of 92
User Manual QT250 and QT800 gen 2.5, ID 2021 2.3 20. April 2021
The QT250 and QT800 described in this manual are part of the QT series. This
series is characterized by their quarter-turn movement and low energy
consumption along with their small footprint. They are suited for butterfly, ball
and other quarter-turn valves.
The QT250 and QT800 actuators are available in different versions with
corresponding User Manuals:
Table 2: Product overview
A= Plain actuator, B= with Failsafe option, R1= with Dual CAN, R2= with Failsafe
and Dual CAN, H= Actuator with cable glands for Eltorque Hybrid Marine Cable.
Product
Product id
QT250 2.5 CANopen Actuator
250.120.5A and 250.120.5AH
QT250 2.5 Digital/Analog Actuator
250.150.5A
QT800 2.5 CANopen Actuator
800.120.5A and 800.120.5AH
QT800 2.5 Digital/Analog Actuator
800.150.5A
QT250 2.5 CANopen Failsafe Actuator
250.120.5B and 250.120.5BH
QT800 2.5 CANopen Failsafe Actuator
800.120.5B and 800.120.5BH
QT250 2.5 Dual CAN Actuator
250.120.5R1 and 250.120.5R1H
QT800 2.5 Dual CAN Actuator
800.120.5R1 and 800.120.5R1H
QT250 2.5 Dual CAN and Failsafe
Actuator
250.120.5B3 and 250.120.5B3H
QT800 2.5 Dual CAN and Failsafe
Actuator
800.120.5B3 and 800.120.5B3H
This User Manual describes the standard 2.5 generation of actuators with the
options for Dual CAN and Failsafe.
The Eltorque actuators provides a wide range of attractive features:
• Optimized single-axis architecture, ensuring a compact and low-weight
actuator.
• Accurate real-time magnetic position control with no mechanical limit
switches, ensuring maintenance-free operation.
• Few spare parts - low lifetime costs.
• Easy setup and commissioning – low installation cost.
• Specific alarms including over-torque and temperature – providing high
operational safety.
• Robust implementation of CANbus protocol ensuring a reliable bus
connection.