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area guard sensor SNQ0640
area guard sensor SNQ0640
Supplier Info
[China Supplier]
Contact Person : Mr. Qiu Jack
Tel : 86-537-3926517
Fax : 86-537-3926519
Product Detail
1.Perfect self-checking and self-locking function 2.SNQ light curtain has good immunity 3.Durable life 4.Good anti-vibration

1.Basic introduction

SNQ0640 light curtain series, sensor section size is 53 ×35,structure compact,beautiful outlook,mainly be used in small stamping equipment, shearing equipment, machinery processing equipment, the injection molding machinery and paper cutting machinery, woodworking machinery, three-dimensional garage, and other dangerous area's protection.

SNQ0640 series,plane mirror reflect, protective height 200 mm,protective range 2sides<6000mm,3 sides<4000mm

2.SNQ series's specificationProtection range, 2sides<6000mm,3 sides<4000mm

SpecificationSNQxx20 (xx=06, 08, 10, 12......72)SNQxx30 (xx=06, 08, 10, 12......72)

SNQxx40 (xx=04, 06, 08, 10......72)SNQxx80 (xx=02, 04, 06, 08......20)Light axis pitch 20mm, 30mm, 40mm,  80mmProtection height=(xx-1)×light axis pitchSNQxx20 100,140,180,220......1420mm

SNQxx30 150,210,270,330......2130mmSNQxx40 120,200,280,360......2840mmSNQxx80  80,240,400,560......1520mm

3.Working principle

The protector consists of light curtain,signal cables,controller and control cable.The light curtain can form infrard light curtain,detect the signal of passing or intercepting,and send the signal to control box that also supplies power to the light curtain.The control box processes the signal and outputs the closed or opened signal used safety relay,and then connects the control trip circuit of the press by control cable or other protective equipment to protect the workers

4.Detailed introduction

(1)Characteristic:The installation and adjustment are convenient,the wiring is simple, structure compact, the   contour is artistic.(2)Light curtain form:Direct transmission type(3)Standard configuration:Emitter/1,Receiver/1,N type controller/1,Signal cable 3m/1 root, 5m/1 root ,Installation fittings/1 set;It is allowed to choose W type controller,at this time ,signal cables are 2.5m/1 root,4.5m/1 root,

(4)Controller:N type, inside installation,control 1 set light curtain,the power

source is AC220V/110V(terminals) or DC24V; W type, outside installation,control 1 set light curtain,the power source is AC220V/110V(switch conversion) or DC24V; controller cable is equipped with standard length: N type 1.0m ,W type 2.5m(5)It can provide NPN ,PNP output, at this time, we should guarantee the follow-up control circuit correspond to safety requirements and provide DC24V power source.(6)Prompts specially:If the power source need to be DC24V,the special explanation should be made on order.If the length of signal and controller cables need to lengthen,the special explanation should be made on order;

5. Application examples


6.SNQ series photoelectric protection device order instructions 


N-type (built-in) *

W-type (external)

S-type (control of external double)

Control Cable

Controller to the machine electrical connection between the length: 1.0 m *; 2.5 m ; Other ___

Signal cable

 Light-emitting device to the controller cable length (5) m, by    the              optical device to control the cable length (2.5) m


  Steel Pipe Support *

 Corner plate fixation

Word plate fixation

Width of machine tool table

(1.5) m

Travel + regulatory volume slider


Machine Cam controller

Mechanical cam*

Electronic cam

No cam

Optical axis pitch

20mm *



Product Type

Based on the above selection(SNA1620-N)





 *Identifies the parameters for the selected



area guard sensor SNQ0640

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