Explosion-proof Multi-circuit Vacuum Electromagnetic Starter

Explosion-proof Multi-circuit Vacuum Electromagnetic Starter
Product Introduction:
This system is designed for coal mine environments and adjacent areas containing explosive gas mixtures such as methane and coal dust. It operates in three-phase power grids with 50Hz AC, 660V/1140V voltage, and non-grounded neutral points, supporting line currents up to 1600A. The system provides control and protection for starting and stopping three-phase squirrel-cage motors or dual-winding squirrel-cage asynchronous motors in equipment including coal cutters, scraper conveyors, crushers, transfer conveyors, emulsification pumps, spray pumps, and belt conveyors. It also enables convenient phase reversal during shutdown operations.
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Description
Technical Parameters
Main Features :
1, The electric chassis vehicle is equipped with on-site, remote, and PC-based remote control for the entry and exit of CPS contactor modules, enabling users to perform isolated contact control of these modules at the field, remote, and centralized control stations.
2, Equipped with a pre-installed RS485 serial port or CAN bus interface, it enables network communication with host computers to implement the 'four remote' functions.
3, The vacuum arc extinguishing chamber is integrated with the main circuit vacuum tube and the motor integrated protection device, which improves the assembly quality and mechanical reliability, and makes the vacuum arc extinguishing chamber free from the influence of dust, moisture and dirt, and improves the environmental adaptability and insulation reliability, and makes the maintenance and replacement more convenient.
4, It has the protection functions of short circuit, overload, phase break, three-phase unbalance, leakage lockout, over/under voltage, wind turbine power, etc.
5, The system features a reliable mechanical-electrical interlock design, ensuring safety interlocks between door switching, vehicle entry/exit, and start-stop control.
6, Operation modes: single mode, dual-speed mode (single-machine dual-speed, dual-machine dual-speed), programmable mode. All circuits can be flexibly combined under various modes.
7, Dual-speed switching modes: current switching, time switching, and current + time switching.
 
Technical Dat :
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