Emerson UVU-140A-AR Specifications, Operating Voltage Range 24Vdc nominal 10.5 to 32Vdc

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Specifications

<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.

<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

<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

<Temperature Range:

Operating:

-40ºC to +85ºC (-40/F to +185/F)

Storage:

-55ºC to +125ºC (-67/F to +257/F)

<Dimensions:

Refer to Figures 4, 5, 6 and 7

<Detector Enclosure Materials:

NEMA 4X anodized copper-free aluminum or stainless steel (optional)

<Shipping Weight (approximate):

2 lbs (0.9 kilograms) aluminum

<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)

<Spectral Sensitivity Range:

The detectors respond to UV radiation over the range of 185 to 260 nanometres (1850 to 2600 angstroms)

<Cone of Vision:

120 degree cone of vision when measured in accordance with NFPA 72 guidelines

<Current Outputs:

4-20mA DC into a maximum external loop resistance of 600 Ohms at 10.5 to 32Vdc

<Relay Contacts: (Available on UVU-140-AR only)

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Contents UVU-140A and UVU-140-AR Unitized Ultraviolet Fire Detector Page Table of Contents Page Introduction FeaturesTechnical Information Spectral Sensitivity RangeSpecifications Operating Voltage Range 24Vdc nominal 10.5 to 32VdcApplications Response TimeInstallation What’s in the packageMounting the Detector False Alarms Position and Density of DetectorsDetector with Swivel Mount Swivel Mount General Wiring Requirements Wiring Diagram for UVU-140-A If the 4-20 mA signal is Detector Settings Coil and Relay SettingsSystem Sensitivity Start UP and Test Start up ProcedureCheck Out Procedure Automatic vi TestManual Check Procedure Manual vi Test ProcedureTest Procedures Fire Condition Normal OperationNormal Operation Current & Relay Output ConditionsTroubleshooting MaintenanceRoutine Maintenance Cleaning Viewing Window and ReflectorDevice Repair and Return B lis h ed in Accordance with E1A standard Appendix B Common Ultra-Violet Absorbing Gases Appendix C Wire Resistance In Ohms