Item | K8DT-PZ1 | K8DT-PZ2 |
Rated input voltage | Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC | Three-phase, three-wire Mode: 380, 400, 415, or 480 VAC |
Input load | Approx. 1.7 VA | Approx. 2.7 VA |
Operating value setting range | Overvoltage/Undervoltage 2% to 30% of rated input voltage Asymmetry 5% to 22% of rated input voltage The rated input voltage can be switched by using the DIP switches. |
Operating value | Overvoltage/Undervoltage Operates at 100% of set value. Asymmetry Asymmetry operating value = Rated input voltage × Asymmetry set value (%) The asymmetry operation will function when the potential difference between the highest and lowest voltage phases equals or exceeds the asymmetry operating value. |
Reset value | 2% of operating value (fixed) |
Reset method | Automatic reset |
Operating time setting range | Overvoltage/ Undervoltage | 0.1 to 30 s |
Asymmetry | 0.1 to 30 s |
Phase sequence | 0.1 s±0.05 s |
Phase loss | 0.1 s max. |
Power ON lock time (LOCK) | 1 s/5 s (switched by using the DIP switch) |
Indicators | Power (PWR): Green, Output (OUT): Yellow, Alarm outputs (ALM): Red |
Output form | Relay: SPDT contact output Transistor: Open collector |
Output relay ratings | Resistive load | 5 A at 250 VAC 5 A at 30 VDC |
Inductive load | 1 A at 250 VAC 0.2 A at 48 VDC |
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 or 30 VDC: 100,000 operations |
Transistor output ratings | Contact form | SPST-NO (Open collector) |
Rated voltage | 24 VDC (maximum voltage: 26.4 VDC) |
Maximum current | 50 mA DC |
Ambient operating temperature | −20 to 60°C (with no condensation or icing) |
Storage temperature | −25 to 65°C (with no condensation or icing) |
Case material | PC, UL 94 V-0 |
Weight | Approx. 100 g |
Size in mm (H × W × D) | 90×17.5×90 |
Input frequency | 50/60 Hz |
Overload capacity | Continuous 528 V |
Repeat accuracy | Operating value | ±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage) |
Operating time | ±50 ms (at 25°C and 65% humidity, rated power supply voltage) |
Applicable standards | Conforming standards | EN 60947-5-1 Installation environment (pollution level 2, Overvoltage category III) |
EMC | EN 60947-5-1 |
Safety standards | UL 60947-5-1 (Listing), Korean Radio Waves Act (Act 10564), CCC (GB 14048.5), LR (Category ENV1.2) |
Degree of protection | Terminals: IP20 |