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PowerLogic™ PM5300 series user guide | Chapter |
Power system setup parameters (continued)
Power system description | Direct connect maximum | # of VTs | ||
— | Symbol |
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| (if required) | |||
Meter setting | UL | IEC | ||
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240 V | 240 V |
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— |
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415 V | 415 V | 3 VT | ||
3PH4W Dlt Ctr Tp | 480 V | 480 V |
| |
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N |
| 347 V | 347 V |
| ||
— |
| 3 VT or 2 VT | |||
| 600 V | 600 V | |||
3PH4W Wye Ungnd |
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| |||
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| 347 V | 400 V |
| ||
— |
| 3 VT or 2 VT | |||
N | 600 V | 690 V | |||
3PH4W Wye Gnd |
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Wye |
| 347 V | 347 V | 3 VT or 2 VT | |
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— | N | 600 V | 600 V | ||
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3PH4W Wye Res Gnd |
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Voltage and current input wiring
For wiring instructions and safety precautions, see the meter installation sheet that was shipped with your meter, or download a copy at
Voltage input protection
The meter’s voltage inputs must be wired to fuses/breakers and a disconnect switch. If using a voltage transformer (VT), both primary and secondary sides of the VT must be wired to fuses/breakers and disconnect switches.
•Clearly label the device’s disconnect circuit mechanism and install it within easy reach of the operator.
•The fuses / circuit breakers must be rated for the installation voltage and sized for the available fault current.
•Fuse for neutral terminal is required if the source neutral connection is not grounded.
See the meter installation sheet for fuse ratings.
Current input protection
For all connected current inputs, use a CT shorting block to
NOTE: Ground any unused current inputs.
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