Three-phase electric energy meter KET-PMT-228

DIN railRS-485Modbus

The KET-PMT-228 is a direct insertion energy meter for measuring energy and key electrical parameters in industrial and civil environments, with integrated RS485 ModBUS RTU communication. The KET-PMT-228 can be used in all types of control systems, SCADA systems and energy management systems. It fulfils the technical requirements for IEC62053-21 standards. With its convenient DIN-rail mounting, it is suitable for both industrial and civil switchboards. GENERAL SPECIFICATIONS Degree of Protection - IP51 Operating Temperature - -25 ÷ +55 °C Storage Temperature - -30 to +70 °C Relative humidity - MAX 95% non-condensing CONTAINER Dimensions - 90 x 72 x 65 mm (W x H x D) Fixing - DIN rail DIN modules required - 4 DIN modules Switchboard Type - Industrial or switchboard POWER SUPPLY Power Supply Voltage - Self-powered: 230 ÷ 400 VAC (45-65 Hz) Power Consumption - < 10 VA (single phase) Type of Connectors - Integrated screw terminals POWER METER Insertion - Three-phase 3 or 4 wires Connection - Direct insertion Maximum Nominal Current - 10(80)A Minimum Nominal Current - Imin = 0.01 A Accuracy - ±0.2% Connections - Screw terminals Configuration - From keypad RS485 INTERFACE Supported Protocols - ModBUS RTU Communication Speed - 1200 ÷ 38400 bps Insulation - Class II Connector Type - Integrated screw terminals CURRENT AND VOLTAGE INPUTS Voltage inputs - 3×380 VAC (3-wire) - 3×230/400 VAC (4-wire) Current inputs - 3×10(80)A DIGITAL OUTPUTS Channels - 1 pulse output CERTIFICATIONS Approvals - CE Metrology - EN62053-21