DPB71CM48 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABL.. View larger
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DPB71CM48 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABL..

DPB71CM48

CARLO GAVAZZI

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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABLE 3-phase AC voltage monitoring Others SIZE 36 mm POWER SUPPLY RANGE 380÷480 VAC MONITORING FUNCTION Under and over voltage, phase sequence, phase loss MOUTING DIN-rail INPUT RANGE 380÷480 VAC DELAY 1, adjustable OTHERS VLN monitoring

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Monitoring Relays
True RMS 3-Phase, 3-Phase+N, Multi-function
Type DPB71
• TRMS 3-phase over and under voltage,
phase sequence and phase loss monitoring relay
• Detects when all 3 phases are present and have the correct phase sequence
• Detects if all the 3-phase-phase or phase-neutral volt- ages are within the set limits
• Upper and lower limits separately adjustable
• Measures its own power supply
• Selection of measuring range by DIP-switches
• Adjustable voltage on relative scale
• Adjustable delay function (0.1 to 30 s)
• Output: 5 A SPDT relay N.E.
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 35.5 mm DIN-rail housing
• LED indication for relay, alarm and power supply ON
Product Description Ordering Key
DPB 71 C M23
3-phase or 3-phase+neutral line voltage monitoring relay forphase sequence, phase loss, over and under voltage (separately adjustable set points) with built-intime delay function.
Type Selection
Supplyranges from208 to
480 VAC covered by two multivoltage relays.
35.5 mm wide housing suit- able both for back and front panel mounting.
Housing Function Type
Item number
Output
Power supply
MountingOutput Supply: 208 to 240 VAC Supply: 380 to 480 VAC
DIN-railSPDT DPB 71 C M23DPB 71 C M48
InputSpecifications
Input
L1, L2, L3, N Terminals L1, L2, L3, N Measures its own supply
Note: Connect the neutral only if it is intrinsically at the star centre
Measuring ranges
208 to 240 ∆ VAC 177 to 275 ∆ VAC
380 to 480 ∆ VAC 323 to 550 ∆ VAC
Ranges
Upper level +2 to +22%
of the nominal voltage
Lower level -22 to -2%
of the nominal voltage
Note: The input voltage
must not exceed the maximum rated voltage or drop below
the minumum rated voltage reported above.
Hysteresis
Set points from 2 to 5% 1% Set points from 5 to 22% 2%
Output Specifications
OutputSPDT relay
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 5 A, 250 V, cos ϕ = 1)
Operating frequency ≤ 7200 operations/h
Dielectric strength
Dielectric voltage2 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 µs)
Supply Specifications
Power supplyOvervoltage cat. III Rated operational voltage(IEC 60664, IEC 60038) through terminals:L1, L2, L3, N
M23 - Delta Voltage: 208 to 240 VAC ± 15%
45 to 65 Hz
M48 - Delta Voltage: 380 to 480 VAC ± 15%
45 to 65 Hz
M48 - Star Voltage: 220 to 277 VAC ± 15%
45 to 65 Hz
Rated operational power
DPB71CM2313 VA @ 230 ∆VAC, 50 Hz
DPB71CM4813 VA @ 400 ∆VAC, 50 Hz
Supplied by L1 and L3
Specifications are subject to change without notice (31.03.10)1

Datasheet - PDF

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