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Belt protection switch
Home  > PRODUCTS  > Belt protection switch  >  KJT-LS Type High Quality Model
这里可以自定义设置
KJT-LS Type High Quality Model
Product Series:KJT-LS Type High Quality Model Load current:AC380V 5A,DC24V 5A Contact method:NO 1. NC1; NO 2. NC 2. (please specify when ordering) Reset mode:manual Appliance life:>100,000 times Protection class:IP65/IP67
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Trade Terms
FOB
Payment Terms
TT
Delivery Time
7-10 days
Packing
Polybag/box
Shipping
By sea, By air or By express delivery (DHL/UPS/FEDEX/TNT/EMS)
MOQ
1
Place of Origin
China
Certificate
CE,ROHS,UL
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The KJT-LS high-end model is widely used in factories and mines with belt conveyors such as steel, cement, power plants, and mines. This product is installed on both sides of the belt conveyor and is a protective switch for emergency shutdown of the belt conveyor. Pull the wire rope at any point within the switch operating distance to cut off the operating circuit and shut down the entire line, thus protecting the safety of the tape machine and people.

  working principle: 

          When an emergency occurs at the tape transportation site, pulling the wire rope tied to the lifting eye is the action of the slider and switch in the machine, which sends a shutdown signal. The switch automatically resets after releasing the wire rope.

1

Product Paramenters
ambient temperature-40℃~+50℃
Relative humidity0~95%
Action angle20°-30°
extreme angle75°
Action force70-100N
Number of contacts1 normally open, 1 normally closed (2 groups of normally open and 2 groups of normally closed can be added as needed)
Contact ratingAC380V 5A DC24V 5A
reset modeManual / Auto
Electrical life>100,000 times
Protection levelIP65/IP67
weight3kg


2

KJT-TS-I (3)

3

KJT-TS-I (1)

●The switch must be balanced and pressed on the fixed bracket of the rack;

●Tie the steel wire rope to the pull rings at both ends, and the rope on each side should not exceed 40m (it should be shortened when there is a slope);

●The pressure on the pull rope should be appropriate to ensure reliable reset of the switch;

●The drawstring is set parallel to the tape, and a lifting ring is added every 10m.

●The factory can purchase steel wire ropes according to the specifications required by users.

The address encoder uses a self-designed protocol to provide an RS485 communication interface to connect to the comprehensive protection instrument. By using shielded twisted pairs and communication repeaters, the transmission distance can reach 1km.



GROUPTERMINALWIRING INSTRUCTIONS
AC 220VL

L/N IS CONNECTED TO AC 220V POWER SUPPLY TO POWER THE

ADDRESS ENCODER.L AND N ARE RESPECTIVELY EQUIPPED WITH TWO

INPUT INTERFACESBOTH OF WHICH CAN BE USED.

N
INPUT 2 HARDCONTACTCOM2HARD CONTACT COMMON TERMINAL
NC2HARD CONTACT NORMALLY CLOSED POINT
NO2HARD CONTACT NORMALLY OPEN POINT
RS485A

A&B ARE RESPECTIVELY CONNECTED TO RS485 SIGNAL LINES

AND CONNECTED TO A&B ON THE COMPREHENSIVE INSUR-

ANCE INSTRUMENT THROUGH THE COMMUNICATION BUS.

B

KJT-TS-I (1)

4

输送带开关应用场景图


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