Features
- Metering of distribution feeders, transformers, generators, capacitor bands and motors
- Medium and low voltage systems
- Commercial, industrial, utility
- Flexible control for demand load shedding, power factor, etc.
- Power quality analysis.>
- A / W / Var / VA demand
- 8 digital inputs / pulse input totalizing
- 3 controlled relay outputs
- 3 analog process inputs
- 4 isolated analog outputs to a transducer function
- 2 pulse outputs based on KWH, KVarH, KVAH or AH
- 8 channels for time of use to power energy
- Load shedding
- Power factor control
- Event log
- Minimum / maximum logger
- Data trend logger
- Waveform capture / harmonic analysis through 31rd
- Triggered trace memory ( Fault recording )
- Ports : RS232 front, RS485 rear
- ModBus(R) RTU protocol Metering
Model & Ordering
Specification
- All measured display scaled to primary readout
- Stability : Temperature range (-10 to +50oC) , max. 100 ppm/oC
- Display 5 digits to V / A / W / Var / VA / PF
- Display 8 digits to WH / VarH
- Note :
- VP1 / VP2 / VP3 / VPE, phase to neutral voltage
- VL1 / VL2 / VL3 / VLE, line to line voltage
- A1 / A2 / A3 / AE/ A0, phase current
- VPE / VLE / AE, 3 phase averaged
- A0, neutral current
- PF1 / PF2 / PF3, coincident to conversion element
- WH / VarH accuracy vs limited input range
- Voltage > 50V
- Current > 10% of rating
- PF > 0.5
Main AC power input
- Phase and wires
- 3 phase 4 wires wye 3VTs
- 3 phase 4 wires wye 2VTs
- 3 phase 3 wires
- Single phase 3 wires
- Single phase 2 wires
- Range
- Voltage : 10~600V
- Current : suitable for CT secondary rating (optional)
- Maximum 7.5A for 5A rating
- Maximum 1.2A for 1A rating
- Power maximum 6500 ( W / Var / VA )
- Frequency : 40 - 70Hz
- Triggered trace memory / fault recording range
- Burden
- Voltage
- < 0.2VA at 600V / phase
- < 0.02VA at 120V / phase
- Current < 0.1VA at 5A / phase
- Overload capability
- Current ( 5A )
- 2 * rated continuous
- 10 * rated 30 seconds
- 25 * rated 2 seconds
- 50 * rated 1 second
- Voltage
- 750V continuous
- 1000V 10 seconds
- 1200V 3 seconds
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