OB3000 100A, Panel Meter, CT Operated, RS485 Digital Meter

Specifications

Meter Accuracy

• kWh   Better than Class 1 per EN 62053-21 & BS 8431

• Kvarh Better than Class 2 per EN 62053-23 & BS 8431

• kW & kVA   Better than Class 0.5 IEC 60688

• kvar    Better than Class 0.5 IEC 60688

• Amps & Volts   Class 0.2 IEC 60688 (0.01In – 1.2In or 0.1Un – 1.2Un)

• PF    ±0.2° (0.05In – 1.2In and 0.2Un – 1.2Un)

• Neutral Current   Class 0.5 IEC 60688 (0.05In – 1.2In)

Voltage Inputs

• 20-280 Volts Line To Neutral, 20-480 Volts Line to Line

• Universal Voltage Input • Input Withstand Capability – Meets IEEE C37.90.1 (Surge Withstand Capability)

• Programmable Voltage Range to Any PT ratio

• Supports: 3 phase 3 or 4 wires, 400/230V, 110/63V,208/120V

• Burden: 0.36VA per phase Max at 600V, 0.014VA at 120 Volts

• Input wire gauge max (AWG 12 / 2.5mmPPPP

 Current Inputs

• Class : (0 to 5) A, 5 Amp Nominal

• Fault Current Withstand: 100 Amps for 10 Seconds, 300 Amps for 3 Seconds, 500 Amps for 1 Second.

• Programmable Current to Any CT Ratio

• Burden 0.005VA per phase Max at 11Amps

• 5mA Pickup Current • Pass through wire gauge dimension: 0.177" / 4.5mm

• Continuous current withstand: 20 amps for screw terminated or pass through current connections

 Isolation

All Inputs and Outputs are galvanically isolated to 2500 Volts AC.

Environmental Rating Storage: (-25 to +70)° C Operating: (-10 to +65)° C Humidity: to 75% RH Non-Condensing Faceplate Rating: NEMA12 (Water Resistant) Environment : IP54 standard, IP65 optional Mounting Gasket Included

 Sensing Method

• RMS

• Sampling at 120+ Samples per Cycle on all channels measured readings simultaneously

• Harmonic %THD (% of Total Harmonic Distortion)Update Rate

• Watts, VAr and VA-100msec

• All other parameters-1second

Power Supply Option D2:

• (65 to 275) Volts AC and (90 to 380) Volts DC. Universal AC/DC Supply Option D:

• 18-60VDC Burden: 10VA max.

 Communication Format

• 2 Com Ports (Back and Face Plate)

• RS485 Port (Through Back Plate)

• 10/100 BaseT Ethernet Modbus TCP (INP10)

• Com Port Baud Rate: (1200 to 115200)

• Com Port Address: 0-247

• 8 Bit, No parity

• Modbus RTU Protocols

KYZ Pulse

• Type Form A

• On Resistance: 23-35 Ohm

• Peak Voltage: 350 VDC

• Continuous Load Current: 120 mA

• Peak Load Current: 350mA (10ms)

• Off Stat Leakage Current @ 350VDC: 1 mA

• Opto-Isolation: 3750V (6 0Hz, 1min)