Техноавтоматика

Новые технологии горно-шахтной автоматики

  • Increase font size
  • Default font size
  • Decrease font size

Pull rope emergency stop switch VD-1 220

Pull rope emergency stop switch VD-1 220

VD-1 switch provides emergency cutoff or local blocking of cargo conveyors start, indication in working position and external diagnostics of incoming and outgoing connection lines.

The switch may be used with automatic fixation in switched off position as well as without fixation.

Specifications

Case

Plastic (pressed material AG-4S GOST 20437-75)

Protection level

IP 54 GOST 14254-96

Possible vibrations

Frequency of 5 to 120 Hz, acceleration up to 30m/s2. Group of mechanical version М1 according to GOST 17516.1

Number of commuted circuits, units

2

Contact voltage, V, no more than

250V

Current through the contact, А, no more than

Dimensions without fastening and pulling elements, mm, no more than

135х85х175

Weight without fastening and pulling elements, kg, no more than

2

Service life, cycles, no less than

100 000

Warranty

18 months from the day of commission, but no more than 24 month from shipment date

VD-1 electric scheme

General view

  • Distance between the switches installed on conveyors: up to 120 m;
  • Emergency indication and connection line diagnostics;
  • Rotary movement of the drive prevents rod jamming upon chippings pickup;
  • Interchangeability of details reaches 90% which ensures high repair capability.
  • Special fasteners for installation of VD-1 and VD-3 on conveyors with flexible (rope) stand.