DWA01CM235A CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIA.. View larger
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DWA01CM235A CARLO GAVAZZI Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIA..




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Selected parameters OUTPUT SIGNAL 1 relay SETPOINTS 1, adjustable MONITORED VARIABLE Power and power factor monitoring Others SIZE 22,5 mm POWER SUPPLY RANGE 208÷240 VAC MONITORING FUNCTION PF monitoring MOUTING DIN-rail INPUT RANGE 0.1-0.99

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Energy Meters Control Analizers


Monitoring Relays and Measurement Current Transformers

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Monitoring Relays
3-Phase LoadGuard
Types DWA01, PWA01
• Cos ϕ monitoring relays
• Measuring if power factor is within set limits
• Measure their own power supply (voltage) and current for balanced systems
• Measuring ranges for current: 5A and MI current transformers range
• Power ON delay 1, 2 or 6 s selectable
• Knob adjustable level on absolute scale
• Output: 8 A SPDT relay Normally Energized
• For mounting on DIN-rail in accordance with DIN/EN
50 022 (DWA01) or plug-in module (PWA01)
• 22.5 mm Euronorm housing (DWA01) or 36 mm plug-in module (PWA01)
• LED indication for power supply and output ON
Product Description Ordering key
DWA01 C M48 5A
DWA01 and PWA01 are pre- cise over or under cos ϕ monitoring relays.
The relays monitor their own powersupplyvoltageand the current of a balanced 3- phase system.
Forcurrentmeasure direct connection, 5A standard current transformers and MI CT can be used.
The LED's indicate the state of the alarm and the output relay.
Housing Function Type
Item number
Power Supply
Type Selection
MountingOutputSupply: 208 to 240 VAC Supply: 380 to 415 VAC Supply: 380 to 480 VAC
DIN-railSPDTDWA 01 C M23 5A DWA 01 C M48 5A
Plug-in SPDTPWA 01 C M23 5APWA 01 C M48 5A
Voltage (Own power supply):
Measuring ranges
3 - phaseDWA01: L1, L2, L3
PWA01: 5, 6, 7
M23: 208 to 240 VAC ± 15% DWA01CM48: 380 to 480 VAC ± 15% PWA01CM48: 380 to 415 VAC ± 15%
1- phaseDWA01CM235A: L1, L3
PWA01CM235A: 5, 7
208 to 240 VAC ± 15% Current DWA01: 5A: L1, I2
MI CT: U1, U3
PWA01: 5A: 9, 10
MI CT: 8, 11
Power factor (cos ϕ) 0.1 to 0.99
AACrmsMax. curr.
Direct input 0.5 to 5 A 30A 30s
Standard CT (examples)
TADK 2 50 A/5 A 5 to 50 A60 A CTD1 150 A/5 A15 to 150 A180 A CTD4 400 A/5 A40 to 400 A480 A TAD12 1000 A/5 A100 to 1000 A1200 A TACO200 6000 A/5 A600 to 6000 A7200 A
MI CT ranges
MI 100 10 to 100 A250 AAC MI 500 50 to 500 A750 AAC
The input voltage cannot raise over 300 VAC with respect to ground (PWA01 only).
Hysteresis~ cos ϕ = 0,02 - fixed
Specifications are subject to change without notice (23.11.10)1

Datasheet - PDF

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