PTA01CD48 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, fixed MONITORED VARIABLE Tem.. View larger
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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, fixed MONITORED VARIABLE Temperature monitoring Others SIZE 45 mm POWER SUPPLY RANGE 24÷48 VAC/DC MONITORING FUNCTION Over temperature MOUTING Plug-in INPUT RANGE PTC

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Energy Meters Control Analizers


Monitoring Relays and Measurement Current Transformers

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Monitoring Relays
Motor temperature
Types DTA01, PTA01, DTA02, PTA02
• Motor temperature monitoring relay
• Measuring ranges: PTC according to EN 44081
• Remote and local alarm reset (DTA02, PTA02)
• Output: 8 A SPDT (PTA01/DTA01/DTA02) or SPST (DTA01) relay, normally energized
• For mounting on DIN-rail in accordance with DIN/EN
50 022 (DTA01, DTA02) or plug-in module (PTA01, PTA02)
• 22.5 mm Euronorm housing (DTA01, DTA02) or
36 mm plug-in module (PTA01, PTA02)
• LED indication for relay and power supply ON (DTA02, PTA02)
• Galvanically separated power supply
DTA01, DTA02PTA01, PTA02
Product Description Ordering Key
DTA 01 C 230
DTA01, DTA02, PTA01 and PTA02 are precisethermis- tor monitoring relays.
They can be used to monitor the temperature of the coils of a motor with built-in PTC’s.The alarm statusof therelaycanberesetby
either an external contact or an internal button (DTA02, PTA02).
The testbuttonallowsthe simulation of the fault condi- tion (DTA02, PTA02).
The redLED indicatesthe alarm status.
Housing Function Type
Item number
Power supply
Type Selection
Mounting OutputSupply: 24 to 48 VAC/DC Supply: 115 VACSupply: 230 VAC
DIN-rail SPSTDTA 01 CD 48 DTA 01 C 115 DTA 01 C 230
Plug-inSPDTPTA 01 CD 48 PTA 01 C 115PTA 01 C 230
DIN-rail SPDTDTA 02 CD 48 DTA 02 C 115 DTA 02 C 230
Plug-inSPDTPTA 02 CD 48 PTA 02 C 115PTA 02 C 230
Output Specifications
Input (PTC)DTA01, DTA02: Terminals T1, T2
PTA01, PTA02: Terminals 5, 6
Measuring ranges
Max cold PTC resistance 1500 Ω
Alarm setpoint 3100 Ω ± 10% Return setpoint 1650 Ω ± 10% Short-circuit detection0 to 10 Ω
Measurement voltage ≤ 2.5V (acc. to IEC 60034-11)
Contact input
DTA02 Terminals Z1, Z2
PTA02 Terminals 8, 9
Disabled > 10 kΩ Enabled< 500 Ω Alarm reset > 500 ms
OutputSPST or SPDT 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 (04.06.10)1

Datasheet - PDF

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