K8AK-PH1 378178 OMRON Monitoring Relays, Three Phase sequence + phase loss DPDT View larger
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K8AK-PH1 378178 OMRON Monitoring Relays, Three Phase sequence + phase loss DPDT





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Monitoring Relays, Three Phase sequence + phase loss DPDT

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K8AK-PH 3-phase control
3-phase sequence, phase loss relay
The K8AK-PH1 monitoring relay is designed to monitor 3-phase 3-wire supplies. It simultaneously monitors phase sequence and phase loss during start up as well as phase loss during operation. The output relay releases when alarm conditions are
detected, and the warning status can easily be monitored using the LED indicator. Suitable for industrial facilities and equipment.
• Monitors phase sequence and phase-loss simultaneously
• Measuring range: 200 to 480 VAC
• Power supply voltage is the same as measuring voltage
• Operation reaction time: 0.1 s maximum
Ordering information
Rated input voltage Order code
200 to 480 VAC K8AK-PH1
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.
Input frequency 50/60 Hz (AC power supply)
Output relays
(1 × DPDT, 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, 150W
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. 130 g
Rated input voltage Three-phase, three-wire mode, 200 to 480 VAC
Reversed phase and phase loss operating time 0.1 s max.
Resetting method Automatic reset
Overload capacity Continuous input: 528 VAC
Indicators Power (PWR): Green LED, relay output (RY): Yellow 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

Datasheet - PDF

pdf1-mostradoOMRON - K8AK-PH1 - 378178English132 Kbytespdf1-mostradoOMRON - K8AK-PH1 - 378178
pdf2-mostradoOMRON - K8AK-PH1 - 378178English720 Kbytespdf1-mostradoOMRON - K8AK-PH1 - 378178
pdf3-mostradoOMRON - K8AK-PH1 - 378178English2 Mbytespdf1-mostradoOMRON - K8AK-PH1 - 378178

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