2
Specifications
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Operating Voltage Range:
24Vdc nominal: 10.5 to 32Vdc
If a fuse is rated in line with the main power supply, it should be a 1A slow-blow type. If a power
supply with current limiting is used it should have a rating appropriate for the inrush current
required by the product.
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Power Consumption (UVU-140-A):
1.92 Watts nominal 2.4 Watts maximum @ 24Vdc
80mA nominal 100mA maximum @ 24Vdc
Inrush Current 250 mA for 2.5 ms
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Power Consumption (UVU-140-AR):
2.4 Watts nominal (fault relay energized) @ 24Vdc
2.9 Watts maximum (fire & fault relays energized) @ 24Vdc
100mA nominal @ 24Vdc 120mA maximum @ 24Vdc
Inrush Current 380 mA for 2.5 ms
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Temperature Range:
Operating:
-40ºC to +85ºC (-40
/
F to +185
/
F)
Storage:
-55ºC to +125ºC (-67
/
F to +257
/
F)
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Dimensions:
Refer to
Figures 4, 5, 6 and 7
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Detector Enclosure Materials:
NEMA 4X anodized copper-free aluminum or stainless steel (optional)
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Shipping Weight (approximate):
2 lbs (0.9 kilograms) aluminum
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Certification:
CSA, NRTL/C, NEMA 4X certified for hazardous locations
Class 1, Division 1, Groups B, C and D
IEC approval Ex d IIB+H2 T5 (Class 1, Zone 1, Groups IIB+H2 T5)
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Spectral Sensitivity Range:
The detectors respond to UV radiation over the range of 185 to 260 nanometres
(1850 to 2600 angstroms)
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Cone of Vision:
120 degree cone of vision when measured in accordance with NFPA 72 guidelines
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Current Outputs:
4-20mA DC into a maximum external loop resistance of 600 Ohms at 10.5 to 32Vdc
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Relay Contacts:
(Available on UVU-140-AR only)
