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infrared light barrier guarding sensors
infrared light barrier guarding sensors
Supplier Info
[China Supplier]
Contact Person : Mr. Qiu Jack
Tel : 86-537-3926517
Fax : 86-537-3926519
Product Detail
1. Simple/Clear operation panel2. Robust Shell, durable 3. High-reliability, dual relay output 4. Perfect anti-interference

SNB Series:

 1. Fit for kinds of Machinery Fields

*Comprise of emitter(transmitter), receiver, controller, connection cables and mounting fittings.

 2. SNB series's specification 

* Fast response time <20ms.

* LED indicator,easy to algin, display real-time working status.

* Auto self-checking function to avoid output wrong signals to control circuit.

* Dual relay output to guarantee high safety.

* Reset function: When any beam(one or more) is obstructed, equipment can't run till press "Reset" Button, light passing recovers as well.

* Easy connection: End lid with aviation plug in connector and cable.

* High anti-interference: not affected by electromagnetic signal, strobe, welding arc and other periphery light.

 Anti-vibration: adoption of several shock-absorbers like rubber washer, damper to reduce vibration by the greatest extent.


Protection range, 0-8000mm; 2 sides as well.SpecificationSNBxx20 (xx=06, 08, 10, 12……72)SNBxx30 (xx=06, 08, 10, 12……72)SNBxx40 (xx=04, 06, 08, 10……72)

SNBxx80 (xx=02, 04, 06, 08……20)Light axis pitch 20mm, 30mm, 40mm,  80mmProtection height=(xx-1)×light axis pitchSNBxx20 100,140,180,220......1420mmSNBxx30 150,210,270,330......2130mmSNBxx40 120,200,280,360......2840mmSNBxx80  80,240,400,560......1520mm

Mounting Brackets refers to illustrated catalogue.

3. Main Parameters:

Power Supply

AC220V/110V±15% 50/60Hz or DC24V±15%


Relay or Dual NPN or PNP

Power Consumption


Controller Installation

W/S type(External), N/ND type( builtin)

Light Type

Infrared, 940nm





Sealing Rank

Sensor/IP65, Controller/IP54,IP50

Circumstance Temp.

-10-55 degrees

Dielectric Capacity

AC1500V 60s

Insulating Resistance


Contacts Capacity


Resistance to electrical noise

IEC61000-4-4, IV/IEC61000-4-2 Type4

Press Return No Protection

CAM Switch

infrared light barrier guarding sensors

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