Panasonic KW2M-A User Manual

Also see for AKW263100A: User manual

WiringKW2M-A/X User's Manual 134.4 Wiring DiagramsPlease connect a breaker or a fuse to the power supply and voltage input part for safety reasons and toprotect the device.･Recommended breaker: 3 to 15A (IEC approved or UL Listed)･Recommended fuse: Time-lag fuse rated current 2A (IEC approved or UL Listed)Grounding the secondary side of VT (voltage transformer) and CT (current transformer) is not necessarywith a low-voltage circuit.*When using several CTs, set each CT approximately 1m apart. If the two CTs are set too close eachother, the device may not measure accurately due to magnetic field interferences.◆When measuring a load with rated input voltageSingle-phase two-wire system*One CT is needed to measure a single-phase two-wire system.*2 CTs are needed to measure 2-circuit and 3 CTs are needed to measure 3-circuit.*To measure 2-circuit, wire 1 and 3. To measure 3-circuit, wire 1 and 3 and 5.Single-phase three-wire/Three-phase three-wire*2 CTs are needed to measure single-phase three-wire system, three-phase three-wire system.*4 CTs are needed to measure 2-circuit.