DLA71TB483P CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 3 relays MONITORED VARIABLE Pump alternating Ot.. View larger
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DLA71TB483P CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 3 relays MONITORED VARIABLE Pump alternating Ot..

DLA71TB483P

CARLO GAVAZZI

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Selected parameters OUTPUT SIGNAL 3 relays MONITORED VARIABLE Pump alternating Others SIZE 36 mm POWER SUPPLY RANGE 24/48 VAC MOUTING DIN-rail INPUT RANGE 3 pumps

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Energy Meters Control Analizers

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Monitoring Relays and Measurement Current Transformers

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5+$129.86
7+$128.82
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Monitoring Relays Pump alternating Type DLA71
• Pump alternating relay for 2 or 3 pumps
• Output: 2 x 5 A SPST relay or 3 x 5 A SPST
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 35.5 mm DIN-rail housing
• LED indication for relay and power supply ON
• Galvanically separated power supply
• Built-in delay for the second or third pump in case of simultaneous activation is required
• Built-in function for automatic rotation of the pumps
Product Description Ordering Key
DLA 71 T B23 3P
DLA71 is relay made to alternate 2 or 3 pumps in a multiple pump system. In case of need (i.e.: overflow) the second, or even the third pump can be activated together with the first one.
In case more than one pump is required to start at the same time, the pumps start
10safterthepreviousto
Type Selection
avoid big inrush current.
The LED indicates the state of the alarm and the output relay.
35.5 mm wide housing suit- able both for back and front panel mounting.
Housing Function Type
Item number
Output
Power supply
Number of pumps
MountingOutputFunction Supply: 24/48 VAC Supply: 115/230 VAC
DIN-rail2 x SPSTFor two pumps DLA 71 D B48 2PDLA 71 D B23 2P
DIN-rail3 x SPSTFor three pumpsDLA 71 T B48 3PDLA 71 T B23 3P
InputSpecifications
Contact input Terminals
DLA71...2P (normal mode)
ON/OFF 1 pumpC, S1
ON/OFF 2 pumpsC, S2
DLA71...2P (differential mode)
first pump startsC, S1 first pump stopsC, S3 second pump startC, S2 second pump stopC, S4
DLA71...3P (normal mode)
ON/OFF 1 pumpC, S1
ON/OFF 2 pumpsC, S2
ON/OFF 3 pumpsC, S3
DLA71...3P (full mode)
ON 1 pumpC, S1
ON 2 pumpsC, S2
ON 3 pumpsC, S3
OFF all pumps C, S4
Disabled> 10 kΩ Enabled < 1 kΩ Voltage< 25 V Current< 2 mA
Empting mode N.O. contacts
Filling mode N.C. contacts
Output Specifications
OutputDLA71...2P 2 x SPST NO relay
DLA71...3P 3 x SPST NO relay
Rated insulation voltage250 VAC
Contact ratings (AgSnO2) µ
Resistive loadsAC 15 A @ 250 VAC DC 125 A @ 24 VDC
Small inductive loads AC 151.5 A @ 250 VAC DC 131.5 A @ 24 VDC
Mechanical life ≥ 30 x 106 operations
Electrical life ≥ 105 operations
(at 5 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 (03.06.10)1

Datasheet - PDF

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