Product Details 3.1 Key Specifications/Special Features Function Rated input voltage * Relay output Model Phase sequence and phase loss monitoring 3-phase, 3-wire 220 to 440 VAC Relay: 1 NC,1 NO TVR-2000B 3-phase, 3-wire 380 to 660 VAC Relay: 1 NC,1 NO TVR-2000C * The power supply voltage is the same as the rated input voltage. Ratings Rated input voltage 3-phase, 200 to 440 VAC (3-wire) Input load Approx. 2.6 VA Operating time Phase sequence 1 s±0.05 s Phase loss 0.1 s max. (when the voltage changes rapidly from 100% to 0% of rated voltage) Indicators LED Normal: Green light; phase loss: Red light; Inverted: Yellow light Output form Relay Output: SPDT contact Output relay ratings Rated load Resistive load 5 A at 250 VAC 5 A at 30 VDC Maximum switching capacity: 1,250 VA, 150 W Minimum load: 5 VDC, 10 mA (reference values) Mechanical life: 10 million operations min. Electrical life: 5 A at 250 VAC or 30 VDC:50,000 operations 3 A at 250 VAC/30 VDC:100,000 operations Ambient operating temperature -20 to 60°C (with no condensation or icing) Storage temperature -25 to 65°C (with no condensation or icing) Ambient operating humidity 25% to 85% RH (with no condensation) Storage humidity 25% to 85% RH (with no condensation) Altitude 2,000 m max. Applicable wires Stranded wires, solid wires, or ferrules Applicable wire size 0.25 to 1.5 mm2 (AWG24 to AWG16) Wire insertion force 8 N max. for AWG20 wire Screwdriver insertion force 15 N max. Wire stripping length 8 mm Ferrule length 8 mm Current capacity 10 A (per pole) Number of insertions 50 times Weight Approx.55g Mounting Mounts to DIN Track, or screw mounting Dimensions 30 Ã? 60 Ã?70 mm (WÃ?DÃ?H) Specifications Input frequency range 50 to 60 Hz Phase loss detection level 80%±10% of rated input Calculation Formula = 1 â?? ((Highest phase-to-phase voltage â?? Lowest phase-to-phase voltage)/ Average three-phase phase-to-phase voltage) Applicable standards Conforming standards EN 60947-5-1 Installation environment (pollution level 2, Overvoltage category III) EMC EN 60947-5-1 Insulation resistance 20 MΩ min. Between external terminals and case Between input terminals and output terminals Dielectric strength 2,000 VAC for one minute Between external terminals and case Between input terminals and output terminals Impulse withstand voltage 6 kV (between live terminals and exposed, non-charged metal parts) Vibration resistance Frequency: 10 to 55 Hz, 0.35-mm single amplitude 10 sweeps of 5 min each in X,Y, and Z directions Shock resistance 100 m/s2, 3 times each in 6 directions along 3 axes Degree of protection Terminals: IP20 -