PFB01CM24 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABL.. View larger
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PFB01CM24 CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABL..

PFB01CM24

CARLO GAVAZZI

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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 2, adjustable MONITORED VARIABLE Frequency monitoring Others SIZE 36 mm POWER SUPPLY RANGE 24÷240 VAC MONITORING FUNCTION Over and under frequency MOUTING Plug-in INPUT RANGE 50-60 Hz DELAY 1, adjustable

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Energy Meters Control Analizers

Controls

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+$191.52
2+$185.32
3+$182.35
4+$180.49
5+$179.80
*This price is per unit and is the net value (not including taxes if applicable).

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Monitoring Relays Frequency Monitoring Types DFB01, PFB01
DFB01 PFB01
• Over/under frequency monitoring relays
• Measuring if power supply frequency is within set limits
• Measure on own power supply
• Measuring ranges Voltage: 24 to 240 VAC Frequency: 50 - 60 Hz
• Separately adjustable upper/lower level on relative scale
• Adjustable delay on alarm or on recovery (0.1 to 30 s)
• Programmable latching or inhibit at set level
• Output: 8 A SPDT relay N.D. or N.E. selectable
• For mounting on DIN-rail in accordance with DIN/EN
50 022 (DFB01) or plug-in module (PFB01)
• 22.5 mm Euronorm housing (DFB01) or 36 mm plug-in module (PFB01)
• LED indication for relay, alarm and power supply ON
Product Description Ordering key DFB 01 C M24
DFB01 and PFB01 are pre- cise frequency monitoring relays. The relays monitor their own power supply from
24 to 240 VAC.
The advantage of using the latch function isthat the relay can be kept energized
even after the end of the alarm condition. Inhibit func- tion can be used to avoid relay operation when not desired(maintenance, tran- sitions). The LED's indicate thestateofthealarm and the output relay.
Housing Function Type
Item number
Output
Power Supply
Type Selection
Mounting OutputMeasuring rangeSupply: 24 to 240 VAC
DIN-rail SPDT50-60 HzDFB 01 C M24
Plug-inSPDT50-60 HzPFB 01 C M24
InputSpecificationsOutput Specifications
Input
Own power supplyDFB01: A1, A2 (24 to 240 VAC) PFB01: 2, 10 (24 to 240 VAC)
Measuring ranges Upper levelLower level
Selectable by DIP-switches
2 Hz range-0.2 to +2 Hz-2 to +0.2 Hz
50 Hz 49.8 to 52 Hz48 to 50.2 Hz
60 Hz 59.8 to 62 Hz58 to 60.2 Hz
10 Hz range-1 to +10 Hz -10 to +1 Hz
50 Hz49 to 60 Hz 40 to 51 Hz
60 Hz59 to 70 Hz 50 to 61 Hz
Contact input
DFB02Terminals Z1, Z2
PFB02Terminals 8, 9
Disabled > 10 kΩ Enabled< 500 Ω Pulse width > 500 ms
Hysteresis
OutputSPDT relay Rated insulation voltage250 VAC Contact ratings (AgSnO2)µ
Resistive loadsAC 1 8A @ 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)
2 Hz range~ 0.05 Hz
10 Hz range~ 0.25 Hz
Specifications are subject to change without notice (26.05.10)1

Datasheet - PDF

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