CHAPTER 3: ELECTRICAL INSTALLATION

CONNECTION TO THE MAIN POWER SUPPLY

3.5Connection to the Main Power Supply

The meter requires separate control power to operate. Listed are the five different power supply options and corresponding suffixes.

Table 3–2:Control Power and Current

 

 

 

CONTROL POWER

OPTION SUFFIX

CURRENT

 

 

 

120V AC

115 A

0.1 AAC

 

 

 

240V AC

230 A

0.05 AAC

 

 

 

12V DC

D4

0.10 ADC

 

 

 

24-48V DC

D

0.25-0.5 ADC

 

 

 

125V AC/DC (universal)

D2

0.10 AAC or DC

 

 

 

For DC-powered units, polarity should be observed. Connect the negative terminal to L and positive terminal to L1. An earth ground connection to chassis is mandatory for normal operation (terminal three). Do not ground the unit through the negative of the DC supply.

Externally fuse power supply with a slow-blow 3 Amp fuse.

EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL

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GE EPM 5200, EPM 5300 Connection to the Main Power Supply, Externally fuse power supply with a slow-blow 3 Amp fuse