SCHNEIDER ELECTRIC EM6433H Product Description

Overview

SCHNEIDER ELECTRIC EM6433H is an EasyLogic Conzerv EM64XXH RS three-phase energy and power monitoring meter with integrated display and RS485 communication. The Schneider record lists commercial reference METSEEM6433HCL10RS for the Class 1 version. The meter monitors current, active power, active energy and related three-phase electrical parameters for power monitoring, energy accounting, load management and balancing in industrial and commercial electrical installations.

Features

The EM6433H monitors active and apparent power, energy consumption, run mode and load current. It can save up to 10 years of integrated data. The meter provides Class 1 active energy accuracy per IEC 62053-21 and Class 2 reactive energy accuracy per IEC 62053-24. Communication is Modbus RTU through an RS485 screw connector.

The display uses three rows of 14 mm height, seven-segment four-digit LED display, and can show current and power measurements. Metering functions listed by Schneider include active power P, P1, P2 and P3; average current Iavg; reactive power Q1 and Q2; phase currents; apparent power S, S1, S2 and S3; calculated neutral current; signed four-quadrant power factor and displacement PF; current unbalance; and signed two-quadrant active, reactive and apparent energy.

The rated supply voltage is 44 to 300 V AC at 45 to 65 Hz, and 44 to 300 V DC. Rated current is 5 A or 1 A, with measurement current 5 to 6000 mA. Maximum power consumption is 4 VA at 240 V phase-to-neutral. Measurement voltage ranges are 35 to 480 V AC phase-to-phase, 35 to 277 V AC phase-to-neutral, and 277 to 999000 V AC with external VT.

Communication supports 4800, 9600, 19200 and 38.4 kbps baud rates, with even, odd or none parity and two-wire wiring. Communication insulation is 2500 V. The meter has overvoltage category III, IP51 front protection and IP30 body protection per IEC 60529. Ambient operating temperature is -10 to 60 degrees Celsius, storage temperature -20 to 70 degrees Celsius, relative humidity 5 to 95 percent at 50 degrees Celsius, pollution degree 2 and operating altitude up to 2000 m.

Specs

Brand: SCHNEIDER ELECTRICRange: EasyLogicProduct family: EM64XXH RS Conzerv energy meter Model: EM6433HCommercial reference: METSEEM6433HCL10RS Class 1 RS485 version Product type: Energy meter and power monitoring instrument Application: Power monitoring, energy accounting, load management and balancing Measurement type: Current, active power, active energy and related three-phase parameters Rated supply voltage: 44 to 300 V AC, 45 to 65 Hz; 44 to 300 V DCRated current: 5 A or 1 AMeasurement current: 5 to 6000 mAMeasurement voltage: 35 to 480 V AC phase-to-phase; 35 to 277 V AC phase-to-neutral; 277 to 999000 V AC with external VT Network frequency: 50 Hz, 60 HzMaximum consumption: 4 VA at 240 V phase-to-neutral Active energy accuracy class: Class 1 per IEC 62053-21 Reactive energy accuracy class: Class 2 per IEC 62053-24 Current accuracy: ±0.5 percentPower accuracy: ±0.5 percentFrequency accuracy: ±0.05 percentReactive power accuracy: ±2 percentApparent power accuracy: ±0.5 percentApparent energy accuracy: ±0.5 percentCommunication port: RS485, screw connector Protocol: Modbus RTUBaud rate: 4800, 9600, 19200, 38.4 kbpsParity: Even, odd or none Communication insulation: 2500 VDisplay: Three rows, 14 mm, seven-segment four-digit LED Overvoltage category: IIIProtection: IP51 front; IP30 body Operating temperature: -10 to 60 degrees CelsiusStorage temperature: -20 to 70 degrees CelsiusRelative humidity: 5 to 95 percent at 50 degrees Celsius Pollution degree: 2Operating altitude: Up to 2000 mMechanical dimensions: Width 96 mm, height 96 mm, depth 90 mmPackage weight: 340 g per Schneider record Warranty: 18 months per catalog record

Principle

The EM6433H meter connects to a three-phase electrical network through current inputs and voltage measurement connections. Current transformers or external current sensors provide the meter with phase current signals, while voltage inputs measure phase-to-phase or phase-to-neutral voltage according to the configured network. The meter calculates active, reactive and apparent power, power factor, current unbalance, neutral current and energy quantities from voltage, current and phase angle measurements.

Measured values are shown on the local LED display and can be transmitted over RS485 using Modbus RTU to a PLC, SCADA, energy management system, HMI or data acquisition device. The meter can be configured for the network type, current transformer ratio, voltage transformer ratio, baud rate, parity, energy units, display parameters and communication settings. Integrated data storage supports historical energy or load recording within the meter capacity.

Replacement should verify the original meter model, commercial reference, supply voltage, CT or VT ratio, network configuration, wiring, RS485 address, baud rate, parity, communication protocol, display settings and energy data backup. The meter should be installed according to Schneider installation instructions, electrical isolation rules, panel cutout dimensions and EMC or wiring practices for low-voltage monitoring equipment.

Applications

SCHNEIDER ELECTRIC EM6433H is used in three-phase industrial and commercial power distribution panels, motor control centers, feeder panels, building management systems, energy monitoring, plant power metering, process equipment, pumping stations, HVAC systems, lighting or power distribution, utilities, renewable energy balance systems and retrofit energy accounting. In existing EasyLogic or Conzerv installations, it serves as a direct replacement energy meter spare when the supply, CT or VT ratio, communication configuration, panel mounting and measured parameter set match the original meter.