DFC01DB48 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 2 relays SETPOINTS 2, adjustable MONITORED VARIAB.. View larger
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DFC01DB48 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 2 relays SETPOINTS 2, adjustable MONITORED VARIAB..

DFC01DB48

CARLO GAVAZZI

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Selected parameters OUTPUT SIGNAL 2 relays SETPOINTS 2, adjustable MONITORED VARIABLE Frequency monitoring Others SIZE 45 mm POWER SUPPLY RANGE 115/230 VAC MONITORING FUNCTION Over and under frequency MOUTING DIN-rail INPUT RANGE 50-60 Hz DELAY 2, adjustable

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Monitoring Relays and Measurement Current Transformers

* Brand new product in its original packaging covered by the warranties and certifications provided by CARLO GAVAZZI

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1+$235.67
2+$225.72
4+$218.18
5+$216.16
7+$214.04
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Monitoring Relays Frequency monitoring TypeDFC01
• Over and under frequency monitoring relay
• Measures if power supply frequency is within set limits
• Measures on own power supply
• Separately adjustable upper/lower level on relative scale
• Separately adjustable delay functions (0.1 to 30 s)
• Output: 2 x 8 A SPDT relays
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 45 mm Euronorm housing
• LED indication for relays, alarm and power supply ON
Product Description
Ordering key DFC 01 D B23
DFC01 is a precise frequen- cy monitoring relay. It moni- tors its own power supply. Overfrequencyandunder- frequency can be monitored separately with two indepen- dentsetpoints,delay times
and relay outputs.
The LED's indicate the state of the alarm and the output relay.
Housing Function Type
Item number
Output
Power Supply
TypeSelection
MountingOutput Supply: 24/48 VACSupply: 115/230 VAC
DIN-rail2 x SPDT DFC 01 D B48DFC 01 D B23
InputSpecifications
Input
Own power supply A1, A2 or A2, A3
Measuring ranges Upper level Lower level
Selectable by DIP-switches
2 Hz range+0.2 to +2.2 Hz -2.2 to -0.2Hz
50 Hz 50.2 to 52.2 Hz 47.8 to 49.8 Hz
60 Hz 60.2 to 62.2 Hz 57.8 to 59.8 Hz
10 Hz range+1 to +11 Hz-11 to -1 Hz
50 Hz 51 to 61 Hz39 to 49 Hz
60 Hz 61 to 71 Hz49 to 59 Hz
Ranges
Upper frequency level+10 to +110%
of the selected range
Lower frequency level-110 to -10%
of the selected range
Output Specifications
Output2 x SPDT relays N.E. 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 106operations
Electrical life ≥ 105operations
(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)
Hysteresis (frequency)
2 Hz range~ 0.05 Hz
10 Hz range~ 0.25 Hz
Supply Specifications
Power supplyOvervoltage cat. III Rated operational voltage(IEC 60664, IEC 60038) through terminals:A1, A2 or A3, A2
B48:24/48 VAC ± 15%
40 to 70 Hz, insulated
B23:115/230 VAC ± 15%
40 to 70 Hz, insulated
Rated operational power 5 VA
Specifications are subject to change without notice (26.05.10)1

Datasheet - PDF

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