K8DS-PU2 387482 OMRON Monitoring Relays, Three Phase undervoltage + Sequence + Per phase 380-480AC 17.5mm View larger
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K8DS-PU2 387482 OMRON Monitoring Relays, Three Phase undervoltage + Sequence + Per phase 380-480AC 17.5mm





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Monitoring Relays, Three Phase undervoltage + Sequence + Per phase 380-480AC 17.5mm

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K8DS-PU 3-phase control
3-phase voltage asymmetry, phase-sequence, phase-loss and undervoltage relay
The K8DS-PU is the simplified 3-phase monitoring relay, 3-wire circuits with one unit. It can monitor undervoltages, asymmetry, phase sequence and phase loss.
• Greater resistance to inverter noise
• One SPDT output relay, 5 A at 250 VAC (resistive load)
• World-wide power specifications supported by one unit (Set with a rotary switch)
• Relay status can be monitored using LED indicator
Ordering information
Rated input Order code
3-phase 3-wire mode 200, 220, 230, 240 VAC K8DS-PU1
3-phase 3-wire mode 380, 400, 415, 480 VAC K8DS-PU2
Ambient operating temperature –20 to 60°C (with no condensation or icing) Storage temperature –25 to 65°C (with no condensation or icing) Altitude 2,000 m max.
Voltage fluctuation range (UNDER) Undervoltage 30 to 25% of rated input voltage
Input frequency 50/60 Hz (AC power supply)
Output relays
(1× SPDT, normally closed operation)
Resistive load 5 A at 250 VAC or at 30 VDC Maximum contact voltage 250 VAC or 30 VDC Maximum contact current 5 A
Maximum switching capacity 1,250 VA, 150 W
Mechanical life 10,000,000 operations
Electrical life 50,000 operations at 5 A, 250 VAC
Degree of protection Terminal section: IP20
Case material PC UL94 V-0
Weight Approx. 65 g
Rated input voltage K8DS-PU1 3-phase, 3-wire mode: 200, 220, 230, 240 VAC
K8DS-PU2 3-phase, 3-wire mode: 380, 400, 415, 480 VAC
Operation (overvoltage or undervoltage)
Operating value setting range Undervoltage = –30% to 25% of maximum rated input voltage
Operating value 100% operation at set value
Reset (HYS.) Hysteresis 5% of operating value (fixed)
Resetting method Automatic reset
Operating time (T) Asymmetry 0.1 to 30 s Phase-sequence 0.1 s ±0.5 s Phase-loss 0.1s ±0.05s
Power ON lock (LOCK) 0.1 s ±0.5 s
Overload capacity Continuous input: 500 V
Repeat accuracy Operating value ±0.5% full scale (at 25°C and an ambient humidity of 65% at the rated power supply voltage, 50/60 Hz sine wave input)
Operating time ±50 ms (at 25°C and 65% humidity, rated power supply voltage) Indicators Power (PWR): Green LED, relay output (RY): Yellow LED, UNDER: Red 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 and CCC
Size in mm (H × W × D) 80 × 17.5 × 74

Datasheet - PDF

pdf1-mostradoOMRON - K8DS-PU2 - 387482English128 Kbytespdf1-mostradoOMRON - K8DS-PU2 - 387482
pdf2-mostradoOMRON - K8DS-PU2 - 387482English1 Mbytespdf1-mostradoOMRON - K8DS-PU2 - 387482

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