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MA control box

Product Overview

MA control box is specially designed for controlling mine electric valve. The control box is used with flameproof valve electric actuator to realize the on-site operation of the valve. At the same time, the control box is connected with the remote DCS system to realize the remote automatic control of the valve.

Structural characteristics

MA control box has the functions of stroke control, remote / local control switching, short circuit protection, overload protection, under voltage protection, over torque protection, open phase protection, phase sequence self identification, etc. In the remote control mode, it can receive control signals from DCS system, and provide feedback signals including opening to position, closing position, valve opening, fault alarm, etc. Users can also know the current valve status through the LCD on the control box, and open and close the valve through the field operation button.
On the basis of ensuring the flameproof performance, the series control box is designed as a quick opening structure, which is more convenient and quick in installation, maintenance and repair. At the same time, it also has the function of mechanical and electrical interlock to prevent misoperation, which makes the use and operation of the equipment more safe and reliable.

Execution standard

Quality assurance: ISO9000

Performance parameter

Specifications

KXB-1×15/380(660)DZ

KXB-3×15/380(660)DZ

KXB-10/1140 DZ

Number of control routes

1

3

1

Rated supply voltage

380V、660V

380V、660V

1140V

Rated operating voltage

380V、660V

380V、660V

660V

Rated control current

≤15A

≤15A

≤10A

Rated power frequency

50Hz

Explosion proof sign

Ex dⅠ Mb

Rated control voltage

AC:36V DC:5V 、 24V

Contact rating

2A 250VAC、3A 30VDC

Analog output

4-20mA DC24V

Analog output load

≤750Ω

Analog input

4-20mA DC24V

Ambient temperature

-20~+40℃

Relative humidity

≤95% (25℃)

Protection level

IP 54

Installation category

Class I

class of pollution

Grade 3


Product Dimensions

specifications A B H Item
KXB-1×15/380(660)DZ 580 300 660 One control one
KXB-3×15/380(660)DZ 720 400 840 One control three

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