QT3A series master consoleDetailed product description：

Overview

The QT3A master controller is mainly used for various secondary circuits with AC 50HZ (60HZ), rated voltage of 380V (440V) and below, including smooth, 1-5 speed regulation, braking, linkage, transfer, standardization, and visual operation control.
Structural holding point

It has the advantages of small size, easy operation, clear hand feel, and clear gear position. The operating mechanism is equipped with zero position self resetting and self-locking devices, ensuring safe and reliable operation. Each institution can install potentiometers. The use of universal switch control greatly reduces the cost of the product, making it easy to be adopted by tower cranes and other small cranes.  

Main technical parameters

ambient temperature		Working temperature: -5 ℃ -55 ℃ Storage temperature: -40 ℃ -70 ℃
Handle operation force		Not exceeding 25N
mechanical life		3 million times in each direction of motion
weight		2．8Kg
contact point characteristic	power supply	communication
	rated current	10A
	rated voltage	380V（440V）
	electrical life	200,000 times

Maximum operating direction	eight
Number of controllable institutions	two
Maximum gear positions in each direction	five
mode of exercise	There is a gear that automatically returns to zero
Maximum number of contacts per institution	twenty
handle	Equipped with mechanical lock zero
Each master can add a potentiometer	two
Rated operating frequency	1200 times/h

Appearance and installation dimensions

QT3A series master control console