The ST40 compact DIN-rail energy and power quality meter has been updated to provide a 0.333 V current input for mV applications. It has also been placed in a UL rated, pre-wired NEMA1 enclosure that adds metering capability without time consuming and expensive redesign. The enclosure is only 7.40 inches wide, allowing it to be used where space is limited. The meter is pre-wired in the enclosure, including all fusing, for error-free and quick installation. The enclosure is lockable to prevent tampering. The meter offers RS485 serial or RJ45 Ethernet communication ports and supports Modbus, BACnet/IP, or DNP3 protocols.

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