3-phase 3-wire mode 200, 220, 230, 240 VAC

Relay: SPDT contact output

K8DT-PZ1CN

Transistor: Open collector

K8DT-PZ1TN

3-phase 3-wire mode 380, 400, 415, 480 VAC

Relay: SPDT contact output

K8DT-PZ2CN

Transistor: Open collector

K8DT-PZ2TN

Y92A-D1A

Rated input voltage

Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC

Three-phase, three-wire Mode: 380, 400, 415, or 480 VAC

Input load

Approx. 1.7 VA

Approx. 2.7 VA

Operating value setting range

Overvoltage/Undervoltage
2% to 30% of rated input voltage

Asymmetry
5% to 22% of rated input voltage

The rated input voltage can be switched by using the DIP switches.

Operating value

Overvoltage/Undervoltage
Operates at 100% of set value.

Asymmetry
Asymmetry operating value = Rated input voltage × Asymmetry set value (%)

The asymmetry operation will function when the potential difference between the highest and lowest voltage phases equals or exceeds the asymmetry operating value.

Reset value

2% of operating value (fixed)

Reset method

Automatic reset

Operating time setting range

Overvoltage/ Undervoltage

0.1 to 30 s

Asymmetry

0.1 to 30 s

Phase sequence

0.1 s±0.05 s

Phase loss

0.1 s max.

Power ON lock time (LOCK)

1 s/5 s (switched by using the DIP switch)

Indicators

Power (PWR): Green, Output (OUT): Yellow, Alarm outputs (ALM): Red

Output form

Relay: SPDT contact output

Transistor: Open collector

Output relay ratings

Resistive load

5 A at 250 VAC
5 A at 30 VDC

Inductive load

1 A at 250 VAC
0.2 A at 48 VDC

Minimum load

5 VDC, 10 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 or 30 VDC: 100,000 operations

Transistor output ratings

Contact form

SPST-NO (Open collector)

Rated voltage

24 VDC (maximum voltage: 26.4 VDC)

Maximum current

50 mA DC

Ambient operating temperature

−20 to 60°C (with no condensation or icing)

Storage temperature

−25 to 65°C (with no condensation or icing)

Case material

PC, UL 94 V-0

Weight

Approx. 100 g

Size in mm (H × W × D)

90×17.5×90

Input frequency

50/60 Hz

Overload capacity

Continuous 528 V

Repeat accuracy

Operating value

±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage)

Operating time

±50 ms (at 25°C and 65% humidity, rated power supply voltage)

Applicable standards

Conforming standards

EN 60947-5-1
Installation environment (pollution level 2, Overvoltage category III)

EMC

EN 60947-5-1

Safety standards

UL 60947-5-1 (Listing), Korean Radio Waves Act (Act 10564), CCC (GB 14048.5), LR (Category ENV1.2)2

Degree of protection

Terminals: IP20