Explosion Proof Safety Light Curtain

Product Feature:
EFB series explosion-proof safety light curtain, mainly used for isolation and explosion prevention. Applicable to explosive gas environmental Zone 1, Zone 2; grade IIA, grade IIB, grade IIC explosive gas environmental zone; combustible dust environmental zone 20, zone 21, zone 22; temperature grade Tl-T6 environmental zone; petrochemical, offshore drilling platform, metallurgy, medicine, light industry, textile, wine, paint, coatings, food, biological engineering and military facilities, etc.

Product Details

Parameter Specification
Supply voltage DC 10V ~ 30V
Capacity < 5W
Beam space 10mm, 20mm, 40mm
Resolution 20mm, 30mm, 50mm
Beams 10mm : 32, 36, 40……176
20mm : 16, 18, 20……88
40mm : 8, 10, 12……44
Protective height Protection height = (N-1) * beam space (N is beams)
Wave length 940nm
Response time Response time = (N * 0.1ms) + 0.4ms (N is beams)
Type of output (OSSD) PNP or NPN
Load current ≤ 200mA,
Residual voltage ≤ 1V (except for voltage drop caused by cable extension),
Leakage current ≤ 1mA.
Protective circuit Overload voltage protection, Power supply reverse polarity protection, Over current protection.
Sensing distance 0.1~5m, 0.1~10m, 0.1~20m
(Remark: If reflective light environment, please let us know in advance)
Anti-optical interference 10000 Lux (I > 5°)
Sensing method Thru-beam
Synchronization Wire synchronization
Enclosure material Aluminum alloy
Enclosure rating IP65
EX Anti-explosion mark Ex d Il C T6 Gb; Ex tD A21 IP66 T80℃
Housing cross-section 35 * 50mm
(Note: the section of explosion-proof enclosure is 100 * 100mm)
Vibration resistance 10~55Hz, double amplitude each in X, Y, Z directions for 20 times.
Ambient operating temperature -10 ~ 55℃ (with no freezing)
Storage temperature -30 ~ 70℃ (with no freezing)
Ambient operating humidity When temperature is 20℃, humidity max 85%
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