THE SERIES 4000 CONNECTION TERMINALS
Terminal No. Designation Description
L1 – L2 Power Supply Power Supply at 230 or 480 VAC
Relay Pulse Reed Relay
RS 485 ModBus Protocol RS485 Daisy Chains to other meters
N N Neutral
L1 Measuring Voltage Voltage signal from Phase L1
L2 Measuring Voltage Voltage signal from Phase L2
L3 Measuring Voltage Voltage signal from Phase L3
CT1 B&W Current Transformer
Current or milli-volt signal from CT1
CT2 B&W Current Transformer
Current or milli-volt signal from CT2
CT3 B&W Current Transformer
Current or milli-volt signal from CT3
Note:
Color-code and size all wires according to National Electric Code.
Current Transformer wires shall be twisted to cancel noise.
Current Transformers and Line Voltage shall be phase related i.e., L1 and CT1 from the same
phase the same with L2 and L3.
3.
