DUA55CM44 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS window selectable MONITORED VAR.. View larger
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DUA55CM44 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS window selectable MONITORED VAR..




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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS window selectable MONITORED VARIABLE 1-phase AC/DC voltage monitoring Others SIZE 17,5 mm POWER SUPPLY RANGE 208÷480 VDC MONITORING FUNCTION Over and under voltage MOUTING DIN-rail INPUT RANGE 208/220/230/240 VAC

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Monitoring Relays and Measurement Current Transformers

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Monitoring Relays
1-Phase Voltage selection
Type DUA55
• Detects if voltage is at the desired level
(± 10% or ±15%)
• Measures its own power supply
• Wide power supply range: 208 to 480 VAC (±15%)
• Output: 5 A SPDT relay normally energized
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 17.5 mm DIN-rail housing (DIN 43880)
• LED indication for relay and power supply ON
Product DescriptionOrdering Key
DUA 55 C M44
1-Phase relay fordetection of incorrect mains voltage. This unit allows to stop incorrect power supply volt- age when different from the desired one.
Power supply rangefrom
208 to 480 VAC plus selec- tion of the different possible nominal voltages. For mounting on DIN-rail. Hous- ing 17.5 mm wide suitable both for back and front pan- el mounting.
Housing Function Type
Item number
Power supply
Type Selection
Mounting Output Supply: 208 to 480 VAC
DIN-rail SPDT DUA 55 C M44
L, N Terminals A1, A2
Measures its own supply
Measuring range 177 to 550 VAC
Supply Specifications
Power supplyOvervoltage cat. III Rated operational voltage (IEC 60664, IEC 60038) through terminals: A1, A2 208 to 480 VAC ± 15%,
45 to 65 Hz
Rated operational power 6 VA @ 230 VAC, 50 Hz
Output Specifications
OutputSPDT relay, N.E. 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 voltage≥ 2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 µs)
General Specifications
Reaction time
Alarm ON delay< 100 ms
Alarm OFF delay < 300 ms
Accuracy (15 min warm-up time) Temperature drift± 1000 ppm/°C Repeatability ± 0.5% on full scale
Indication for
Power supply ON LED, green
Relay ONLED, yellow
Degree of protection IP 20
Pollution degree 2
Operating temperature
@ Max. voltage, 50 Hz -20 to +60°C, R.H. < 95%
@ Max. voltage, 60 Hz -20 to +50°C, R.H. < 95% Storage temperature-30 to +80°C, R.H. < 95%
Dimensions 17.5 x 81 x 67.2 mm
Material PA66 or Noryl
WeightApprox. 80 g
Specifications are subject to change without notice (08.60.10)1

Datasheet - PDF

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