Table of Contents
1.3
Key Specifications
Category
Nominal voltage
Current measurement range
Voltage measurement range
Electricity metering accuracy
Power grid system
Baud rate
Operating temperature
Installation mode
Certification
1.4
Port Definition
•
Input voltage: When the line voltage is less than or equal to 500 V, connect the meter
directly. When the line voltage is greater than 500 V, connect the meter through potential
transformers.
•
Input current: When the input current is 0 A to 80 A, connect the meter directly (channel 1).
When the input current is greater than or equal to 80 A, connect the meter through current
transformers (channel 2).
Cable Inlet
230 V AC/400 V AC, 50 Hz/60 Hz
Direct connection: 0–80 A
Connection through current transformers: > 80 A
90–1000 V (line voltage; potential transformers are required
if the voltage is greater than 500 V)
Class 1 (error within ± 1%)
Three-phase four-wire or three-phase three-wire
4800/9600/19200/115200 bps (default value: 9600 bps)
Guide rail-mounted
CE, RCM, and UKCA
Cable Outlet
2
DTSU666-HW
–25℃ to +60℃
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