Kjz13 Series Mine-used Flameproof and Intrinsically Safe Low-voltage Permanent Magnet Mechanism Combined Switches
Product Introduction:
The K1Z13 series mine-used flameproof and intrinsically safe permanent magnet vacuum combined feeder switch is an intelligent power distribution device specially designed for underground coal mines. It is suitable for hazardous environments containing explosive gases such as methane and coal dust. This product adopts a modular combined design, integrating multi-circuit power supply functions. It features high safety, intelligent management, and convenient maintenance. It supports multi-voltage levels of 1140V/660V and is widely used in the power supply systems of underground coal mines.
Product Features:
· Adopts a permanent magnet integrated electric drawer module structure with mechanical and electrical interlocking functions to prevent misoperation;
· Equipped with a built-in high-definition camera to monitor the state of moving contacts in real-time and ensure visible breakpoints;
· Features electrical and mechanical locking and manual forced tripping functions, supporting long-distance and end short-circuit protection;
· Each circuit has an independent flameproof cavity. Faulty branches can be repaired separately without affecting the power supply of other circuits;
· Supports the isolation of the electric/manual control module from the main circuit, allowing maintenance without shutting down the upper-level power supply;
· The main control screen supports parameter setting via a USB intrinsically safe keyboard. It has a dual-screen design of a 15-inch color screen + a 4-inch Chinese display, realizing synchronous display and mutual backup of multi-circuit information;
· Modular building-block design, supporting flexible combination of multiple modules for easy expansion and maintenance;
· Has the function of electric energy metering, supporting independent power consumption assessment for each sub-circuit;
· Supports various communication methods such as Ethernet, optical fiber, NFC/ Bluetooth, realizing the "six-remote functions (remote measurement, remote signaling, remote adjustment, remote vision, remote control, remote test);
· Can be linked with the ground monitoring system, supporting remote operation via mobile terminals to achieve unattended operation.
Technical Parameters:
Rated voltage: 1140V/660V
Total rated current: ≤3200A
Operation mode: Electric closing, electric opening, manual emergency stop opening
Single-circuit rated current: 1000, 800A/630, 500A/400, 200A
Rated short-circuit breaking current: 15 - 20kA (effective value)/12.5 - 15kA (effective value)/7.5 - 9kA (effective value)
Number of circuits: 4, 6, 8, 10, 12, 14 circuits are available for selection (feeder + starter combination + lighting)
Unit form: Drawer module
Isolation method: Manual/electric isolation, video-visible breakpoint
Combination method: 400 - 1000A feeder, 4 - 10KVA/127V lighting, 80 - 400 starter units are available for selection
Type: 1. Main/Sub; 2. Sub/Sub
Control mode: Local control, Remote control, Network control
Display screen: Dual-screen standby, with a common 15-inch and 4.5-inch Chinese color LCD screen
Test function: Short-circuit test, Leakage test, Leakage closing test
Introduction device: Pressure plate type/Cable connector
Intrinsic safety pilot parameters: Uo: 15.7V-AC/6.9V-DC; Io: 16mA-AC/6mA-DC;
Communication interface: RS-485, CAN, Ethernet, 4G/5G/WIFI
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