Specifications
Wiring Diagrams Wiring • 7
4 Wiring
To avoid distortion, use parallel wires for control
power and voltage inputs.
The following symbols are used in the wiring dia-
grams on the following pages.
4.1. Wiring Diagrams
Symbol Description
Voltage Disconnect Switch
Fuse (installer is responsible for
ensuring compliance with
local requirements. No fuses are
included with the Energy Meter.)
Earth ground
Current Transducer
Potential Transformer
Protection containing a voltage dis-
connect switch with a fuse or dis-
connect circuit breaker. The
protection device must be rated for
the available short-circuit current at
the connection point.
Table 4-1 -Diagram Symbols
WARNING! This product is designed only for
use with 1V or 0.33V current transformers
(CTs).
DO NOT USE CURRENT OUTPUT (e.g. 5A) CTs
ON THIS PRODUCT.
Failure to follow these instructions can result in
overheating and permanent equipment damage.
Figure 4-1 - 1-Phase Line-to-Neutral 2- Wire System 1 CT
Figure 4-2 - 1-Phase Line-to-Line 2-Wire System 1 CT










