K8AK-PM2 378182 K8AK0025R OMRON Monitoring Relays, Three Phase Voltage Max and Min + Sequence + Per phase 38.. View larger
Images are for illustrative purposes only. Please refer to data sheet for details.

K8AK-PM2 378182 K8AK0025R OMRON Monitoring Relays, Three Phase Voltage Max and Min + Sequence + Per phase 38..






Ship on today

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

More details


* Brand new product in its original packaging covered by the warranties and certifications provided by OMRON

*This price is per unit and is the net value (not including taxes if applicable).

Related products

More info

K8AK-PM3-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 featuresa 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 VACK8AK-PM1
3-phase 4-wire mode 115, 127, 133, 138 VAC
3-phase 3-wire mode 380, 400, 415, 480 VACK8AK-PM2
3-phase 4-wire mode 220, 230, 240, 277 VAC
Ambient operating temperature –20 to 60°C (with no condensation or icing) Storage temperature –25 to 65°C (with no condensation or icing) Input frequency50/60 Hz (AC power supply)
Output relays
(2 × SPDT, normally closed operation)
Resistive load5 A at 250VAC or at 30 VDC Maximum contact voltage250VAC or 30 VDC Maximum contact current 5 A
Maximum switching capacity 1,250 VA, 150 W
Mechanical life10,000,000 operations
Electrical life 50,000 operations at 5 A, 250VAC or 30 VDC
Degree of protection Terminal section: IP20
Case material PC and ABS
WeightApprox. 150 g
Rated input voltageK8AK-PM13-phase,3-wire mode: 200,220,230,240VAC, 3-phase, 4-wire mode: 115, 127, 133, 138 VAC
K8AK-PM23-phase, 3-wire mode: 380,400,415,480VAC, 3-phase, 4-wire mode: 220, 230, 240, 277 VAC
Operation (overvoltage or undervoltage)
Operating value setting rangeOvervoltage = –30% to 25% of maximum rated input voltage*1
Undervoltage = –30% to 25% of maximum rated input voltage*1
Operating value100% operation at set value
Reset (HYS.)Hysteresis 5% of operating value (fixed)
Resetting methodAutomatic reset
Operating time (T) Overvoltage/undervoltage0.1 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)
IndicatorsPower (PWR): Green LED, relayoutput (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 standardsUL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA and CCC
Size in mm (H × W × D) 90 × 22.5 × 100
*1The rated input voltage is switched with a switch

Datasheet - PDF

Title: Language: Size: Type:
pdf1-mostradoOMRON - K8AK-PM2 - 378182 English 137 Kbytes pdf1-mostradoOMRON - K8AK-PM2 - 378182
pdf2-mostradoOMRON - K8AK-PM2 - 378182 English 961 Kbytes pdf1-mostradoOMRON - K8AK-PM2 - 378182
pdf3-mostradoOMRON - K8AK-PM2 - 378182 English 2 Mbytes pdf1-mostradoOMRON - K8AK-PM2 - 378182

Reviews (0)

No customer reviews for the moment.

Add Review
hide form
  Add review

Últimas Opiniones de Nuestros Clientes

Todas las valoraciones que recibimos de los artículos que ofrecemos son reales y están verificadas. Un pequeño gesto, pero de mucho valor. Por eso, te agradecemos ese minuto que inviertes en dejarnos tu opinión y calificación sobre los productos, porque nos ayuda a seguir mejorando y a ofrecerte un servicio de todavía mayor calidad.