26 VA Master FAM540 METAL CONE VARIABLE AREA FLOWMETER | OI/FAM540-EN REV. E
… 3 Use in potentially explosive atmospheres in accordance with FM and cCSAus
… Installation instructions
Power supply
Installation must comply with the requirements of the
National Electric Code
®
(ANSI / NFPA70).
Unless specified otherwise in regional or national standards,
power supply lines must be dimensioned to AWG 20.
Installation must be carried out as outlined in the latest edition
of the manufacturer's instruction manual.
A power supply with the following requirements must be used to
provide power:
• SELV (safety extra-low voltage) with LPS (current-limited
source) and double or reinforced insulation.
• Maximum output current of 8 A (current-limited output).
• In accordance with National Electric Code®
(ANSI / NFPA70) connected to NEC class 2.
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