K8AK-PM2 378182 OMRON Monitoring Relays, Three Phase Voltage Max and Min + Sequence + Per phase 380-480AC 2 .. View larger
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K8AK-PM2 378182 OMRON Monitoring Relays, Three Phase Voltage Max and Min + Sequence + Per phase 380-480AC 2 ..

K8AK-PM2

378182

OMRON

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Monitoring Relays, Three Phase Voltage Max and Min + Sequence + Per phase 380-480AC 2 SPDT

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* Brand new produt in its original packing covered by the warranties and certifications provided by OMRON

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K8AK-PM 3-phase control
3-phase voltage, phase sequence, phase loss relay
K8AK-PM monitors overvoltages, undervoltages, phase sequence and phase loss
for 3-phase, 3-wire or 4-wire power supplies, in one unit. This relay features a switch setting for 3-phase, 3-wire or 3-phase, 4-wire power supply.
• Worldwide power specifications supported by one unit
• Phase sequence, phase loss: Operation reaction time 0.1 s maximum
• Overvoltages or undervoltages: Operation time setting from 0.1 to 30 s
• Relay warning status can easily be monitored using the LED indicator
• Easy wiring with ferrules
Ordering information
Rated input Order code
3-phase 3-wire mode 200, 220, 230, 240 VAC K8AK-PM1
3-phase 4-wire mode 115, 127, 133, 138 VAC
3-phase 3-wire mode 380, 400, 415, 480 VAC K8AK-PM2
3-phase 4-wire mode 220, 230, 240, 277 VAC
Specifications
Ambient operating temperature –20 to 60°C (with no condensation or icing) Storage temperature –25 to 65°C (with no condensation or icing) Input frequency 50/60 Hz (AC power supply)
Output relays
(2 × 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 or 30 VDC
Degree of protection Terminal section: IP20
Case material PC and ABS
Weight Approx. 150 g
Rated input voltage K8AK-PM1 3-phase, 3-wire mode: 200, 220, 230, 240 VAC, 3-phase, 4-wire mode: 115, 127, 133, 138 VAC
K8AK-PM2 3-phase, 3-wire mode: 380, 400, 415, 480 VAC, 3-phase, 4-wire mode: 220, 230, 240, 277 VAC
Operation (overvoltage or undervoltage)
Operating value setting range Overvoltage = –30% to 25% of maximum rated input voltage*1
Undervoltage = –30% to 25% of maximum rated input voltage*1
Operating value 100% operation at set value
Reset (HYS.) Hysteresis 5% of operating value (fixed)
Resetting method Automatic reset
Operating time (T) Overvoltage/undervoltage 0.1 to 30 s
Phase-sequence, phase-loss 0.1 s max.
Power ON lock (LOCK) 1 s or 5 s (Changed with the DIP switch)
Overload capacity Continuous input at 115% of maximum input, 10 s at 125% (up to 600 VAC)
Repeat accuracy Operating value ±0.5% full scale (at 25°C and an ambient humidity of 65% at the rated power supply voltage, DC or 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, alarm outputs (ALM 1/2): Red LED
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) 90 × 22.5 × 100
*1 The rated input voltage is switched with a switch
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