Inputs:

• Measurement Input Voltage 90-277 VAC, 50/60 Hz
• Control Power Voltage 100-277 VAC, 50/60 Hz

Accuracy:

• Power/Energy IEC 62053-21 Class 1, ANSI C12.1-2008 (1% system accuracy, including branch CTs)
• Voltage ±0.5% of reading 90-277 V line-to-neutral

Operation:

• Sampling Frequency 2560 Hz
• Update Rate Modbus: 1.8 s, BACnet: 14 s, SNMP: 20 s
• Overload Capability 22 kAIC

Network Communications:

• Physical Interface 10/100 Mbit Ethernet
• Protocols supported Modbus TCP, BACnet IP, SNMP

Serial Communications:

• Physical Interface 2-wire RS-485
• Protocols supported Modbus RTU, BACnet MS/TP
• Address 1 & 2
• Baud Rate selectable 9600, 19200, 38400
• Parity selectable NONE, ODD, EVEN
• Communication Format 8 data-bits, 1 start-bit, 1 stop-bit

Mechanical:

• Ribbon Cable Support 4 ea 4 ft. (0.9 m) round ribbon cables ship standard; up to 20 ft. (6 m) available

Environmental:

• Operating Temperature 0° to 60°C (32° to 140°F) (<95% RH noncondensing)
• Storage Temperature -40° to 70°C (-40° to 158°F)

Safety:

• UL508, EN61010-1