Samsara PM20 Install Manual Download

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3-Phase 4-Wire Power
Monitoring Wiring for
up to 480V

1. Wire the CT1, CT2, and CT3 to ports 1-6 on the power meter respectively.

Connect black wires to ports 1,3,5 and white wires to ports 2,4,6. Must be
completed BEFORE connecting CTs to L1, L2, and L3 hot wires.

2. Connect the CT1 so that the L1 hot wire passes through it and the arrow on the

CT points towards the load. Repeat for CT2, and CT3 respectively. Ensure all
CTs are oriented with the arrow pointing towards the load.

3. Connect the L1, L2, L3 hot line voltage reference wire to port 7,8,9 on the power

meter.

4. Connect the neutral line voltage reference wire to port 10 on the power meter.

4. Connect Power Meter

Summary of Contents for PM20

Page 1: ...Samsara PM Series Power Monitoring Install Guide...

Page 2: ...al Turn off all power supplying the equipment before performing the installation System Type Description Allowable Voltages CTs Needed Single phase 2 Wire 1 line and neutral 20 480V 1 Single phase 3 W...

Page 3: ...al and then hot wire s System Type Labeling CTs Needed Wiring Diagram 3 Phase 4 Wire Label the hot wires as L1 L2 and L3 Label the neutral as N 3 See below 3 Phase 3 Wire Label the hot wires as L1 L2...

Page 4: ...Ts to L1 L2 and L3 hot wires 2 Connect the CT1 so that the L1 hot wire passes through it and the arrow on the CT points towards the load Repeat for CT2 and CT3 respectively Ensure all CTs are oriented...

Page 5: ...irect 12V 48V DC adapter Once the meter is properly mounted to the DIN Rail or enclosure all wiring is completed and terminal block covers are installed power can be turned back on With power back on...

Page 6: ...tage is correct given your system voltage Not all possible systems are listed below System Type System Voltage Approximate Phase Voltage Reading in Samsara Cloud Single phase 2 Wire 120V 120V Single p...

Page 7: ...the CT white wire to port 2 on the power meter Must be completed BEFORE connecting the CT to the hot wire 2 Connect the CT so that the L1 hot wire passes through it and the arrow on the CT points tow...

Page 8: ...s 2 and 4 Must be completed BEFORE connecting CTs to L1 and L2 hot wires 2 Connect the CT1 so that the L1 hot wire passes through it and the arrow on the CT points towards the load Repeat for CT2 Ensu...

Page 9: ...rt 6 on the power meter Must be completed BEFORE connecting CT to hot wire 3 Connect the CT1 so that the L1 hot wire passes through it and the arrow on the CT points towards the load Connect the CT3 s...