7.3 Wiring
Input connections are made directly to screw-type terminals with indirect wire pressure. Numbering is clearly
marked on the connector. Choice of cable should meet local regulations. Terminal for both Current and Voltage
2
2
inputs will accept upto 4mm (12AWG) solid or 2.5 mm stranded cable.
Note
: It is recommended to use
wire with
lug for
connection with meter.
Wire: It is suggested to use wire with a temperature rating of at least 83 Deg. C
7.4 Auxiliary Supply
Meter should ideally be powered from a dedicated supply, however powered from the signal source, provided
the source remains within it may be the limits of the Chosen auxiliary voltage range.
7.5 Fusing
It is recommended that all voltage lines are fitted with 1 Amp HRC fuses or circuit breaker to disconnecting
the device.
Specification : Disconnecting device used must be relevant requirements of IEC-60974-1 & IEC-60947-3
For Aux: At most 1.5 times of applied power supply
For measuring input : At most 1.5 times of measuring input.
( Switching time of the device should be < 0.1 sec for Aux & I/P both )
7.6 Earth/Ground Connections
For safety reasons, CT secondary connections should be grounded in accordance with local regulations.
ISO 7000-0434B(2004-01) CAUTION*
*Note : Refer this Manual wherever the CAUTION symbol is marked.
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Summary of Contents for RISH LM 1340
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