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K8AK PH1 Phase-sequence Phase-loss Monitoring Relay K8AK-PH1

K8AK PH1 Phase-sequence Phase-loss Monitoring Relay K8AK-PH1

Three-phase Phase-sequence Phase-loss Relay Using Voltage Detection Method ModelK8AK-PH1Rated input voltage3-phase, 200 to 480 VAC (3-wire) Input loadApprox. 4.1 VA Operating timePhase sequence0.1 s±0.05 sPhase loss0.1 s max. (when the v...

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Three-phase Phase-sequence Phase-loss Relay Using Voltage Detection Method

Model			K8AK-PH1
Rated input voltage			3-phase, 200 to 480 VAC (3-wire)
Input load			Approx. 4.1 VA
Operating time	Phase sequence	0.1 s±0.05 s
		Phase loss	0.1 s max. (when the voltage changes rapidly from 100% to 0% of rated voltage)
Reset method			Automatic reset
Indicators			Power (PWR): Green, Relay output (RY): Yellow
Output relays			One DPDT relay (NC operation)
Output relay ratings			Rated load Resistive load 5 A at 250 VAC 5 A at 30 VDC Minimum load: 24 VDC, 4 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/30 VDC:100,000 operations 1 A, cos θ = 0.4 at 250 VAC: 100,000 operations 0.2 A, L/R = 100 ms at 48 VDC: 12,000 operations Recommended fuse: NT00-6A
Rated operating voltage (Ue) Rated operating current (Ie)			AC-12 Ue:250VAC, Ie:5 A AC-15 Ue:250VAC, Ie:1 A DC-12 Ue:30VDC, Ie:5 A DC-13 Ue:24VDC, Ie:0.9 A DC-13 Ue:48VDC, Ie:0.2 A DC-13 Ue:24VDC, Ie:0.05 A
Ambient operating temperature			−20 to 60°C (with no condensation or icing)
Storage temperature			−25 to 65°C (with no condensation or icing)
Ambient operating humidity			25% to 85% (with no condensation)
Storage humidity			25% to 85% (with no condensation)
Altitude			2,000 m max.
Terminal screw tightening torque			0.49 to 0.59 N·m
Terminal wiring method			Recommended wire Solid wire: 2.5 mm2 Twisted wires: AWG16, AWG18 Note:1. Ferrules with insulating sleeves must be used with twisted wires. 2. Two wires can be twisted together. Recommended ferrules Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact Al 1-8RD (for AWG18) manufactured by Phoenix Contact Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact