Multi-line three-phase panel meter，Elite 440-445

Basic information model: Elite 440-445
Brand: Secure Meters
Type: Three phase multifunctional digital panel meter
Core applications: Industrial energy metering, energy management, BMS/BEMS monitoring
Measurement mode: 3P4W/3P3W (star/triangle optional)
Accuracy level: 0.5S (optional 0.2S/1.0)
Wiring method: screw terminal
Protection level: IP52 (panel)/IP20 (terminal)
Safety level: Cat III
Electrical parameters Power supply: 80-300V AC/DC (8VA, 4W), optional 24-60V DC
Voltage input: 57.7-240V AC (3P4W/3P3W, tolerance -30% to+20%)
Current input: Ib=1-5A, Imax=200% Ib; Short term overcurrent of 20 × I (1s), 10 × I (3s)
Frequency range: 50/60Hz (± 5%)
Analog output: 4-channel 4-20mA non isolated, maximum loop impedance 750 Ω
Pulse output: 2 channels, 48V DC@100mA Pulse width of 80/240ms
Communication interfaces: RS-485 (Modbus RTU), Ethernet (Modbus TCP/IP, 10/100Base-T)
Measurement performance measurement accuracy: voltage/current/power 0.5S level
Measurement parameters: voltage, current, power, energy, frequency, power factor, THD (up to 31st harmonic)
Voltage circuit load: 0.15VA/phase
Current circuit load: 0.05VA/phase at 1A, 0.25VA/phase at 5A
Auxiliary power load: 3.5VA (without module), 8VA (fully equipped)
Physical and Environmental Parameters Shell Material: FRPC
Size: 96 × 96 × 78mm (standard panel installation)
Weight: Approximately 400g
Working temperature: -20 ℃ -+60 ℃
Storage temperature: -30 ℃ -+70 ℃
Relative humidity: 5% -95% (no condensation)
Certification and Compliance Certification: CE
Compliance: Complies with standards such as EN 61010-1 and EN 62053-21/22/23