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 × 60 ×70 mm (W×D×H)
Specifications
Input frequency
range 50 to 60 Hz
Phase loss detection
level 80%±10% of rated input Calculation Formula
= 1 – ((Highest phase-to-phase voltage – 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
♦ Features
– Three-phase monitoring of phase sequence, phase loss, and phase unbalance
– Powered by the measuring circuit
– 1 C/O contact
– 3 LEDs for status indication
