DUA52C748 CARLO GAVAZZI SIZE 17,5 mm POWER SUPPLY RANGE 38÷58 VDC MONITORING FUNCTION Under voltage for DC ..

DUA52C748

CARLO GAVAZZI

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SIZE 17,5 mm POWER SUPPLY RANGE 38÷58 VDC MONITORING FUNCTION Under voltage for DC battery MOUTING DIN-rail INPUT RANGE 38÷58 VDC

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Energy Meters Control Analizers

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Monitoring Relays and Measurement Current Transformers

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1+$100.06
5+$88.91
9+$86.33
13+$84.99
17+$84.24
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Monitoring Relays DC Under Voltage Type DUA52
• DC undervoltage monitoring relay
• Measuring if power supply is below the set level
• Measures its own power supply
• Measuring ranges: 8 - 28 V DC and 38 - 58 V DC
• Adjustable hysteresis: 4 to 50%
• Output: 5 A SPDT NE relay
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 17.5 mm housing (DIN 43880)
• LED indication for relay and power supply ON
Product Description Ordering Key
DUA 52 C 724
DUA52 is a voltage monitor- ing relay that measure its own power supply. The measuring ranges are 8-28 VDC and 38-
58 VDC. It has separate potentiometers for setpoint
and hysteresis. Typical appli- cations are monitoring of backup batteries, batteries on diesel generator sets and the like.
Housing Function Type
Item number
Output
Power supply
Type Selection
Mounting OutputMeasuring rangeSupply : 12/24 VDC Supply: 48 VDC
DIN-rail SPDT8 to 28 VDC DUA 52 C 724
DIN-rail SPDT38 to 58 VDCDUA 52 C 748
InputSpecifications
Input (voltage level)Terminals A1, A2
Measures its own power supply
Measuring ranges
DirectLevel
48 VDC 38 to 58 VDC
12 to 24 VDC 8 to 28 VDC
Output Specifications
OutputSPDT relay
Rated insulation voltage 250 VAC
Contact ratings (AgSnO2) µ
Resistive loadsAC 1 5 A @ 250 VAC DC 12 5 A @ 24 VDC
Small inductive loads AC 15 2.5 A @ 250 VAC DC 13 2.5 A @ 24 VDC
Mechanical life≥ 30 x 106 operations
Electrical life≥ 105 operations
(at 8 A, 250 V, cos ϕ = 1)
Operating frequency ≤ 7200 operations/h
Dielectric strength
Dielectric voltage2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 µs)
Supply Specifications
Power supplyOvervoltage cat. III Rated operational voltage(IEC 60664, IEC 60038) through terminals:
A1 and A2 724 8 to 28 VDC
748 38 to 58 VDC Dielectric voltageNone
Dielectric voltage
Supply to output 2 kV
Rated operational power 1.5 W
Specifications are subject to change without notice (08.06.10)1

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