N3-WHD-type active energy transducer is a voltage and current signals were collected by the system, and after the operation when the high-precision division multiplier, active power active energy measurement system, the system converts it into a high-linearly proportional to the pulse amount of output, including: output for voltage pulse, no voltage pure contact (opto-isolated) output or relay contact output; and transmitter power constant (pulses per kWh) can have a variety of options, easy data acquisition. The meter can be long-term continuous operation, suitable for use as electric energy measuring automated monitoring with non-electric energy billing system applied to a frequency of 50Hz or 60Hz single-phase, three-phase three-wire (balanced or unbalanced), three-phase four-wire (balanced or unbalanced) line, and the S3 (T), N3 series active energy Technical indicators were in line with GB / T15283-99 "0.5,1 and 2 AC Power Meter" standard on 0.5 active power the relevant provisions of the table. Features The series of high accuracy, good conversion performance, good temperature characteristics, have lightning protection. Inverse measure of the ability of active energy having long-distance transmission capacity (4 ~ 20mA, 500Ω), fixed way, in line with DIN46277, can be mounted on the 35mm aluminum rails. Selection of specific issues Model S3 (T): 0.2 levels (full scale relative error) N3: 0.5 levels (full scale relative error) System 1: Single-phase three-wire system: three-phase three-wire system 3A: three-phase four-wire system input current Range 1: 0 ~ 1A 5: 0 ~ 5A 0: other nominal input voltage 1: 110V 4: 380V 7: 450V 2: 220V 5: 100V 0: Other 3: 190V 6: 57.7V input frequency signal 5: 50 ± 5Hz 6: 60 ± 5Hz 0: Other output range ① (each kilowatt hour) 1: 100counts 2: 1000counts 3: 10000counts 4: 100000counts 0: Other Output Type P: voltage pulse C: opto isolated B: auxiliary power relay contact A: AC 110V D: DC 48V 0: Other B: AC 220V E: DC110V C: DC 24V F: DC 220V power is required to reverse Y: yes N: No structure: wiring diagram in Figure 02: Figure A8 models and Fill parameters Example: (1) S3 (T) -WHD-3-5553CBY 0.2 级 three-phase three-wire active power transmitter input nominal current: 5A; nominal input voltage: 100V; nominal input power ④: 866W; input Signal Frequency: 50 ± 5Hz; output range (constant power): 10,000 pulses / kWh output types: pure no-voltage contact (optocoupler open collector output); Auxiliary Power: AC220V. Need to measure the reverse power. (2) S3 (T) -WHD-3A-5252CBY 0.2 级 three-phase three-wire active power transmitter input nominal current: 5A; nominal input voltage: 220V; nominal input power ④: 3300W; the input signal frequency: 50 ± 5Hz; output range (constant power): 1000 pulses / kWh output types: pure no-voltage contact (optocoupler open collector output); Auxiliary Power: AC220V. Need to measure the reverse power.