DIA01CD485A CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIAB.. View larger
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DIA01CD485A CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIAB..





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

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Monitoring Relays and Measurement Current Transformers

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Monitoring Relays
1-Phase AC/DCOver Current
Types DIA01, PIA01
• AC/DC over current monitoring relay
• Current measured through internal shunt
• Measuring range 0.5 to 5 A AC/DC
• Adjustable current 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 (DIA01) or plug-in module (PIA01)
• 22.5 mm Euronorm housing (DIA01) or 36 mm plug-in module (PIA01)
• LED indication for relay and power supply ON
• Galvanically separated power supply
Product Description Ordering Key
DIA 01 C B23 5A
DIA01 and PIA01 are precise AC/DC over current monitor- ingrelays. Directmeasuring or through current transformer. Owing to the built-in latch function, the ON-position of the relay output can be
The redLED indicatesthe relay status. Through the built-in shunt it is possible to monitor loads up to 5 A AC/DC.
Housing Function Type
Item number
Power supply
Type Selection
Mounting OutputSupply: 24 to 48 VAC/DC Supply: 115/230 VAC
DIN-rail SPDTDIA 01 C D48 5A DIA 01 C B23 5A
Plug-inSPDTPIA 01 C D48 5A PIA 01 C B23 5A
Output Specifications
Input (current level)
DIA01Terminals Y1, Y2
PIA01Terminals 5, 7
Measuring ranges
DirectInternal resist.Max. curr.
..5A:0.5 to 5 A AC/DC 0.05 Ω6 A Max. current for 1 s25 A
Standard CT (examples)AACrmsMax. curr.
TADK250 A/5 A5 to 50 A60 A CTD1150 A/5 A15 to 150 A180 A CTD4400 A/5 A40 to 400 A480 A TAD121000 A/5 A100 to 1000 A1200 A TACO2006000 A/5 A600 to 6000 A7200 A
Contact input
DIA01Terminals Z1, Y1
PIA01Terminals 8, 9
Disabled > 10 kΩ Enabled< 500 Ω Latch disable> 500 ms
The input voltage cannot raise over 300 VAC/DC with respect to ground (PIA only)
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
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)
Specifications are subject to change without notice (06.10.08)1

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