National Meter Industries

SERIES KW4000 Surface Mounted Three Phase Kilowatt Hour & Kw demand

Features:

• Six Digit kWh LCD Display (no multipliers)
• Voltage Per Phase
• Amperage Per Phase
• kW Per Phase Remote CT Operated (up to 10,000 Amps)
• kWh Pulse (Form A Relay)
• RS 485 Modbus Communications (included)
• Plug In Terminals for Field Testing
• Rate LED Indicates Relay Operation
• LCD Display Shows Correct / Incorrect Wiring

Specifications:

• NEMA 1 ABS Plastic Enclosure
• Temp Range: -10 – 120 Degrees F
• Humidity: 95% Non Condensing
• Pulse Relay: 120 VAC .5 Amp Resistive
• Meter Consumption: 0.2 Amps
• Burden: CT Burden 0.6 VA
• Isolated CT Circuit
• Microprocessor Based – Ram Based – No Batteries

Accuracy:

• Power: 0.5%
• Energy: 0.2%
• ANSI C12.16

Compliance:

• Accuracy: ANSI C12.20
• FCC: Class A Part 15
• UL/CUL/CSA Listed Michigan Compliant NYC Approved

Current Transformers:

• Includes 3 – LX400 CTs (+/- 1% between 4 – 400 Amps)
• Other Solid Core – Bar Type – Split Cores CTs up to 10,000 Amps Available

Communication Options:

• Hard Wired Modbus Data– (up to 255 meters on one 2 wire circuit)
• Ethernet Converter (for direct Internet connection through LAN)

Models:

Kilowatt Hour Meters:

• K4240 120/208 and 240 VAC 3 or 4 Wire
• K4480 277/480 and 480 VAC 3 or 4 Wire

Kilowatt Hour / kW Demand Meters:

• KW4240 120/208 and 240 VAC 3 or 4 Wire
• KW4480 277/480 and 480 VAC 3 or 4 Wire (Max / Peak kW value reset with key)

Software:

• Reading & Billing (R&B v2.0)
• Power Analyzing and Trending (Powerstudio)