DUA01CD48500V CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VAR.. View larger
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DUA01CD48500V CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VAR..



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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIABLE 1-phase AC/DC voltage monitoring Others SIZE 22,5 mm POWER SUPPLY RANGE 24÷48 VAC/DC MONITORING FUNCTION Over voltage MOUTING DIN-rail INPUT RANGE 500 VAC 4 Vp

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Energy Meters Control Analizers


Monitoring Relays and Measurement Current Transformers

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Monitoring Relays
1-Phase AC/DCOver Voltage - AC Over Current
Types DUA01, PUA01
• AC/DC over voltage monitoring relay
• Selection of measuring range by DIP-switches
• Measuring ranges: 2 to 20 VAC/DC, 5 to 50 VAC/DC,
20 to 200 VAC/DC, 50 to 500 VAC/DC, 0.4 to 4 Vp AC
• Adjustable voltage limit on relative scale
• Adjustable hysteresis
• Programmable latching at set level
• Output: 8 A SPDT relay normally de-energized
• For mounting on DIN-rail in accordance with DIN/EN
50 022 (DUA01) or plug-in module (PUA01)
• 22.5 mm Euronorm housing (DUA01) or
36 mm plug-in module (PUA01)
• LED indication for relay and power supply ON
• Galvanically separated power supply
Product Description Ordering Key
DUA 01 C B23 500V
DUA01 and PUA01 are pre- cise AC/DC over voltage monitoringrelays. They can also be used as 1-phase or
3-phase over currentmoni- toring relays when connect- edwithMIorMPcurrent
Owing to the built-in latch function, the ON-position of the relay output can be maintained.
The redLED indicatesthe alarm status.
Housing Function Type
Item number
Power supply
Type Selection
MountingOutput Supply: 24 to 48 VAC/DC Supply: 115/230 VAC
DIN-railSPDT DUA 01 C D48 500V DUA 01 C B23 500V
Plug-in SPDT PUA 01 C D48 500V PUA 01 C B23 500V
Output Specifications
Input (voltage level)
DUA01Terminals Y1, Y2
PUA01 Terminals 5, 7
Measuring ranges
DirectInt.resist.Max. volt.
Selectable by DIP-switches
2 to 20 VAC/DC > 500 kΩ600 V
5 to 50 VAC/DC > 500 kΩ600 V
20 to 200 VAC/DC > 500 kΩ600 V
OutputSPDT relay
Rated insulation voltage 250 VAC
Contact ratings (AgSnO2) µ
Resistive loadsAC 1 8 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
50 to 500 VAC/DC > 500 kΩ600 V
Electrical life≥ 10
0.4 to 4 Vp AC> 500 kΩ600 V Max. voltage for 1 s1000 V
MI and MP CT rangesAAC rmsMax. curr.
1-ph.: 3-ph.:
MI 5 MP 30050.5 to 5 A 20 AAC MI 20 MP 30202 to 20 A50 AAC MI 100 MP 310010 to 100 A250 AAC MI 500 MP 350050 to 500 A750 AAC
The input voltage cannot raise over 300 VAC/DC with respect to ground (PUA01 only)
Contact input
DUA01Terminals Z1, Y1
PUA01Terminals 8, 9
Disabled > 10 kΩ Enabled< 500 Ω Latch disable> 500 ms
(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)
Specifications are subject to change without notice (22.01.13)1

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