Inputs: Input Power 90-277 VAC, 50/60 Hz Accuracy: Power/Energy IEC 62053-21 Class 1, ANSI C12.1-2008 Voltage ±0.5% of reading 90-277 V line-to-neutral Operation: Sampling Frequency 2560 Hz Update Rate 1.8 s Overload Capability 22 kAIC Network Communications: Type Modbus® RTU Connection DIP switch-selectable 2-wire or 4-wire, RS-485 Address DIP switch-selectable address 1 to 247 (pairs of 2) Baud Rate DIP switch-selectable 9600, 19200, 38400 Parity DIP switch-selectable NONE, ODD, EVEN Communication Format 8 data-bits, 1 start-bit, 1 stop-bit Mechanical: Ribbon Cable Support 2 ea 4 ft. (0.9 m) flat ribbon cables ship standard; up to 20 ft. (6 m) available DIN rail mounting Environmental: Operating Temperature 0° to 60°C (32° to 140°F) (Storage Temperature -40° to 70°C (-40° to 158°F) Safety: UL508, EN61010
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