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K8DS-PZ

Slim-line three-phase voltage, asymmetry and phase-sequence phase-loss protection

K8DS-PZ monitors undervoltages, overvoltages, voltage asymmetry, phase sequence and phase loss for 3-phases, 3-wire monitoring in one unit.

Worldwide power specifications supported by one unit
Front rotary switches allow for easy and accurate configuration
Reset method: automatic
LED indicators: Power (Green), Relay output (Yellow), Alarm output (Red)
Robust operating temperature: -20 to 60 ⁰C

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Specifications & ordering info

Ordering information

Rated input		Order code
3-phase 3-wire mode	200, 220, 230, 240 VAC	K8DS-PZ1
3-phase 3-wire mode	380, 400, 415, 480 VAC	K8DS-PZ2

Specifications

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 × 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-PZ1	3-phase, 3-wire mode: 200, 220, 230, 240 VAC
Rated input voltage	K8DS-PZ2	3-phase, 3-wire mode: 380, 400, 415, 480 VAC
Operation (overvoltage or undervoltage)	Operating value setting range	Overvoltage/undervoltage: 2% to 30% of rated input voltage
Operation (overvoltage or undervoltage)	Operating value	100% operation at set value
Asymmetry operation (ASY.)	Operating value setting range	Asymmetry rate: 5% to 22%
Asymmetry operation (ASY.)	Operating value	100% operation at set value Asymmetry operating value = rated input voltage x asymmetry set value [%] The asymmetry operation will function when the difference between the highest and lowest voltage phases equals or exceeds the asymmetry operating value
Reset (HYS.)	Hysteresis	5% of operating value (fixed)
Reset (HYS.)	Resetting method	Automatic reset
Operating time (T)	Asymmetry	0.1 to 30 s
	Overvoltage/undervoltage	0.1 to 30 s
	Phase-sequence, phase-loss	0.1 s ±0.05 s, 0.1 s max.
Power ON lock (LOCK)		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)
Repeat accuracy	Operating time	±50 ms (at 25°C and 65% humidity, rated power supply voltage)
Indicators		Power (PWR): Green, Relay output (RY): Yellow LED, Alarm output: 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: C22.2 No.14
Size in mm (H × W × D)		80 × 17.5 × 74