The LE-03MB-CT meter is a static, calibrated, single-phase or three-phase alternating electricity meter, semi-remote connection, bidirectional, and with 4 quarters. It is designed for indicating and recording energy and network parameters, with remote reading via a wired M-Bus network. It works with current transformers (CT) with secondary current of 1A or 5A. Configuration is done via the front panel menu or through the M-Bus port.

• Functions and measured values:
• 3-phase, bidirectional (4 quarters)
• Transformers 1A or 5A
• Current ratio adjustment 1÷9999 and voltage ratio adjustment 1÷9999
• Adjustable measurement voltage 100÷500V
• kWh/kvar display (consumed/returned)
• Network parameters display
• Compliance with LVD
• M-Bus port/protocol
• Pulse output SO
• Backlit multifunctional LCD display
• Configuration protection with password
• Active energy AE+/AE- [kWh], reactive energy RE+/RE- [kvarh]
• Phase voltages U1, U2, U3 [V] and phase currents I1, I2, I3 [A]
• Frequency F [Hz], active power P [W], reactive power Q [var], apparent power S [VA]
• Power factor cosϕ, harmonic THD, power and current demand

• Technical specifications:
• Reference voltage: 3×230/400V+N
• Basic current*: 0.25÷5A
• Maximum current*: 6A
• Minimum measurable current*: 0.02A
• Measured voltage: L-N 100÷289V AC, L-L 173÷500V AC
• Measurement accuracy (according to IEC61036): class 1
• Overload withstand: 30×lmax/10ms
• Insulation: 4kV/1min, 6kV/1μs
• Meter display range: 0÷9999999.99kWh
• kWh meter constant: 0.01, 0.1, 10, 100 imp/kWh
• kvarh meter constant: 0.01, 0.1, 10, 100 imp/kvar
• Reading indicator: 2×LED
• kWh/kvarh pulse output: open collector
• Pulse duration for kWh/kvarh: 60, 100, 200 ms
• Operating temperature: -20÷55°C
• Connection: screw terminals 25mm²
• Dimensions: 4.5 units (76mm)
• Installation: on TH-35 mm rail
• Protection degree: IP51