DC POWER CONNECTIONS
The TFXL meter should be operated from an 12…28V DC Class 2 power source capable of supplying a minimum of 250 mA
of current.
1. Feed the power source through the conduit hole on the right side of the enclosure. Connect power to the screw terminal
block in the TFXL meter. Use wiring practices that conform to local and national codes.
2. Connect the DC power to 12…28V DC In and DC Gnd., as in Figure 8.
DC Ground
11 - 28 VDC
DC Ground
11 - 28 VDC
Figure 8: DC power connections
3. Connect an 12…28V DC Class 2 power source as illustrated in Figure 8. TFXL meter terminal blocks can accommodate wire
up to 14 AWG.
4. Connect a switch or circuit breaker in close proximity of the TFXL meter and within easy reach of the operator.
5. Mark the switch or circuit breaker as the disconnect device for the TFXL meter.
DC Power Connections
Page 14 April 2016TTM-UM-00369-EN-03
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