LSB-3000 Series
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9
8. Electrical Connections
• 2 x SPDT
• 2 x DPDT
①
Be sure to supply the rated voltage and current stated on this manual. Otherwise, it may cause a
serious damage or malfunctions.
②
Check polarity of + and – exactly and connect wires.
③
When it is necessary to open the positioner cover at a humid place, more attention is required. It may
cause a serious damage or malfunctions.
Explosion-proof construction
LSB-3 becomes explosion proof, as certified by IECEx/ATEX/KC, according to the model selected.
The explosion-proof grade has the following approval : Ex d IIC T*
Take extra care when handling the LSB-3 as explosion-proof equipment
To use as Ex d IIC T*
A) Pressure-proof packing.
As shown below in the chart, use "Cable gland"
B) Metal Piping.
Attach the sealant fitting bracket near the cable port.
(For details, refer to "The guideline on electric equipment explosion proof" published by the
Technology Institution of Industrial Safety).
