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KW9M Eco-POWER METER

Dimensions

  • Unit: mm in
KW9M

Panel cut-out

Keep enough space for several mountings.
Recommended space: 130 mm 5.12 in the left, right, top and bottom from center of the unit

Panel mounting
1) Remove the mounting clips from the unit.
2) Insert the unit from the front of the panel.
3) Attach the mounting clips at the both side of the case and secure in place with the screws.
· Applicable panel thickness: 1 to 5 mm 0.04 to 0.20 in

TERMINAL ARRANGEMENT AND WIRING DIAGRAMS

Terminal wiring

  • Be sure to wire correctly according to the terminal arrangement and wiring diagrams.
  • Please connect a fuse or a breaker to power supply part for safety reasons, to protect the device and ease of maintenance.
    This has no built-in power switch, circuit breaker or fuse for measured voltage input parts.
    Therefore it is necessary to install them in the circuit near this unit.
  • Do not turn on the power supply or input until all wiring is completed.
  • Do not open the secondary side of CT while the primary side current is energized. Do not remove the terminal block while the primary side current of CT is energized. These actions may result in electric shock or CT breakdown.

Rear view

After use, remove the label, take out the battery, and dispose of it according to the applicable regional (municipal) rules.

<Specifications of terminal block A/B>
Screw size: M2.5
Tightening torque: 0.4 to 0.5 N•m
Applicable wire:(Crimp-type terminal is recommended.)
・Single wire 0.13 to 4 mm2 (AWG26 to 12)
・Stranded wire 0.2 to 4 mm2 (AWG24 to 12)
・for 2 pcs.
Single wire / Stranded wire 2 pcs.
0.5 to 2.1 mm2 (AWG20 to 14)

<Specifications of terminal block C>
Screw size: M2.0
Tightening torque: 0.2 to 0.25 N•m
Applicable wire: (Crimp-type terminal is recommended.)
・Single wire 0.08 to 1.5 mm2 (AWG28 to 16)
・Stranded wire 0.2 to 1.5 mm2 (AWG24 to 16)
Stripping length: 7 to 8 mm 0.276 to 0.315 in

Terminal arrangement

Terminal arrangement
* The N-phase measurement is available for the advanced type only.

Wiring diagrams

Wiring diagrams
* Connect CTn for the N-phase measurement. CTn is not necessary for normal measurement.

■When measuring a load with exceed input voltage
Voltage transformer (VT) is needed when you measure a load with over input voltage.
Use a VT, those secondary voltage rating is 110V.
Grounding the secondary side of VT and CT is not necessary with low-voltage circuit.

When measuring a load with exceed input voltage

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