accuracy
±0.2%rd (wh)
±0.25%rd (varh)
temp. coefficient≦100ppm/℃
≦60ppm/℃, 25℃±10℃
temp. range-20℃ to 60℃, operating 0~50℃
humidity rangeup to 95% rh
isolationinput/output/power/case
dielectric testdin-iec 688
2k vrms/1min between terminal to terminal
2.8k vrms/1min,between terminal to case
surge testdin-iec 255-4,ansi c37
90a/1974 5kv (1.2×50us)
insulation resistance100mω or more, dc 500v
housing materialabs resin (94v-0)
mounting rail35mm
aux. powerac 115/230v±15%, 50/60hz, 3va
dc 24v, 48v, 110v±20% (option)
frequency50hz or 60hz ±3hz
burden≦0.1va per voltage circuit
≦0.2va per current circuit
sensitivity≦0.5% of range end value
overload
capacityvolage-600vrms continuous
1.25×rated continuous
2 × rated for 10 sec.
4 × rated for 5 sec.
current-3×rated continuous
10×rated for 10 sec.
50×rated for 1 sec.
80×rated 0.5 sec.