The EMDX3 multi-function measuring unit (Cat.No 0046 76) has a backlit LCD and measures voltage, current, power and frequency on 3P+N, 3P, 2P and 1P+N networks. Current is measured from a CT (primary 5 to 9999 A, secondary 5 A) and direct voltage inputs cover 50 to 520 V phase/phase. It is powered from a 200 to 277 V AC auxiliary supply.

Key features

• Backlit LCD display
• Measurements on 3P+N, 3P, 2P, 1P+N
• CT primary 5 to 9999 A, secondary 5 A
• Power display 0 to 9999 kW/kvar/kVA
• Frequency measurement 45.0 to 65.0 Hz

Specifications

Current Measurement Terminals: 4 mm² | Other Terminals: 2.5 mm² | Protection Index: Front cover IP 51; casing IP 20 | Weight: 205/215 g | Display: Backlit LCD | Measurements: 3P+N, 3P, 2P, 1P+N | Voltage Measurement - Direct, Phase/Phase: 50 to 520 V AC | Voltage Measurement - Direct, Phase/Neutral: 28 to 300 V AC | Voltage Measurement - Permanent Overload Between Phases: 760 V AC | Voltage Measurement - Update Period: 1 s | Current Measurement - From CT, Primary: 5 to 9999 A | Current Measurement - From CT, Secondary: 5 A | Current Measurement - Minimum Measurement: 5 mA | Current Measurement - Input Consumption: < 0.6 VA | Current Measurement - Display: 0 to 9999 A | Current Measurement - Permanent Overload: 6 A | Current Measurement - Intermittent Overload: 60 A/1 s - 120 A/0.5 s | Current Measurement - Update Period: 1 s | Power Measurement - Total: 0 to 9999 kW/kvar/kVA | Power Measurement - Update Period: 1 s | Frequency Measurement Range: 45.0 to 65.0 Hz | Frequency Measurement Update Period: 1 s | Auxiliary Power Supply (50/60 Hz): 200 to 277 V AC ±15% | Auxiliary Power Supply Consumption: < 5 VA | Operating Temperature: -10 °C to +55 °C | Storage Temperature: -20 °C to +70 °C | Auxiliary Supply / Fuse (wiring example note): Auxiliary power supply 110 ... 400 V AC / 120 ... 350 V DC; fuse 0.5 A gG/BS 88 2 A gG/0.5 A class CC