List of Models
| Function |
Rated input voltage * |
Relay output |
Model |
| Phase sequence and phase loss monitoring |
3-phase, 3-wire 200 to 480 VAC |
SPDT × 1 |
K8DS-PH1 |
* The power supply voltage is the same as the rated input voltage.
Ratings
| Rated input voltage |
3-phase, 200 to 480 VAC (3-wire) |
| Input load |
Approx. 2.7 VA |
| Operating time |
Phase sequence |
0.1 s±0.05 s |
| Phase loss |
0.1 s max. (when the voltage changes rapidly from 100% to 0% of rated voltage) |
| Reset method |
Automatic reset |
| Indicators |
Power (PWR): Green, Relay output (RY): Yellow |
| Output relays |
One SPDT relay (NC operation) |
| 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% (with no condensation) |
| Storage humidity |
25% to 85% (with no condensation) |
| Altitude |
2,000 m max. |
| Terminal screw tightening torque |
0.49 to 0.59 Nm |
| Terminal wiring method |
Recommended wire
Solid wire: 2.5 mm2
Twisted wires: AWG16, AWG18
Note:
1. Ferrules with insulating sleeves must be used with twisted wires.
2. Two wires can be twisted together.
Recommended ferrules
Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact
Al 1-8RD (for AWG18) manufactured by Phoenix Contact
Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact |
| Case color |
N1.5 |
| Case material |
PC, UL 94 V-0 |
| Weight |
Approx. 60 g |
| Mounting |
Mounts to DIN Track. |
| Dimensions |
17.5 × 80 × 74 mm (W × D × H) |
Specifications
| Input voltage range |
200 to 480 VAC |
| Input frequency |
50/60 Hz (no presumed range) |
| Overload capacity |
Continuous 500 V |
| 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, installation category III) |
| EMC |
EN 60947-5-1 |
| Safety standards |
UL 508 (Recognition), Korean Radio Waves Act (Act 10564),
CSA: C22.2 No.14, CCC: GB/T 14048.5 |
| 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 |
| Noise immunity |
1,500 V power supply terminal common/normal mode
Square-wave noise of ±1 μs/100 ns pulse width with 1-ns rise time |
| 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 |
