CDV6-3/4/5/6/7/8 Three-phase Voltage Monitoring Relay / Phase Sequence Protector
CDV6-616N
Feature
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
Measuring range
101 V-318 V
Number of contacts
1 group switching
Features of the CDV6-3/4/5/6/7/8 Series
■Monitorits own operating voltage (true RMS measurement),
45Hz~65Hz wide frequency measurement.
■ 8 kinds of rated voltages are adjustable, suitable for voltages in
various regions of the world.
■3-phase 3-wire and 3-phase 4-wire specifications are optional.
■ The voltage measurement accuracy is ≤1%.
■ It has an anti-harmonic model, which is optimized for high anti-interference occasions.
■ The working status of the relay is indicated by an LED indicator.
■ Ultra-small size, only 18mm width, 35mm card rail installation.
Selection Guide——Click to View
Various model combinations available. Click for the selection chart to find your exact specs.
General Parameters
| Power terminal | L1-N |
| Measuring frequency range | 45 Hz-65 Hz |
| Voltage threshold range | 2%-20% (Rated voltage) |
| Unbalanced value threshold range | 5%-15% |
| Voltage fixed hysteresis value | 2% |
| Setting method | knob |
| Setting accuracy | 10% |
| Action delay time | 0.1 s - 10 s Adjustable |
| Voltage measurement error | ≤1% |
| Power-on delay time | 0.5 s |
| Temperature fluctuation error | 0.05%/℃, at=20 °C |
| 16A Contact | 16 A 250 VAC/24 VDC |
| Power indicator | LED Green LEDLED |
| Output relay indication | LED Red LEDLED |
| Reset time | 1 s |
| Mechanical durability | 1×10⁷ |
| Electrical durability (Resistive load) | 1×10⁵ |
| Operating ambient temperature | -20 °C ~+55 °C |
| Storage and transportation ambient temperature | -35 °C ~+75 °C |
| Installation method | 35 mm DIN rail mounting |
| Degree of protection | IP20 |
| Dimensions | 90 mm×18 mm×65 mm |
Specification
3C
CE
Phase sequence protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Phase sequence protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
3C
CE
Over voltage,under voltage,phase sequence,power failure protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Over voltage,under voltage,phase sequence,power failure protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
3C
CE
Voltage unbalance,phase sequence,power failure protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Voltage unbalance,phase sequence,power failure protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3 (3-phase 3-wire system
220-230-240-380-400-415-440-460 (P-P)
176 V-552 V
1 group switching
3C
CE
Overvoltage,undervoltage,voltage imbalance,phase sequence,power failure protection
L1-L2-L3-N (3-phase 4-wire system
127-132-138-220-230-240-254-265 (P-N)
101 V-318 V
1 group switching
This product specification complies with global standards. However, regional specifications may vary slightly.
