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K8DT-PH

K8DT-PH

Phase-sequence phase-loss relay

Protect motors and other equipment from unstable voltages in the power supply system. Protect motors and other equipment by detecting phase sequence and phase loss for three-phase power supplies.

  • Global application with power supply range of 200 to 480 V with one relay
  • Greater resistance to inverter noise
  • Width of 17.5 mm to reduce space required in panels
  • Push-in plus Technology that reduce wiring work
  • UL listed for easy shipping to North America
  • Double-insertion holes for crossover wiring (all terminals)
  • Models added with transistor outputs for superior contact reliability
  • RoHS compliant

Specifications & ordering info

Ordering information

Rated input voltage1

Relay output

Order code

3-phase, 3-wire 200 to 480 VAC

Relay: SPDT contact output

K8DT-PH1CN

Transistor: Open collector

K8DT-PH1TN

Accessories

Front Cover (Order separately)

Appearance

Order code

 

Y92A-D1A

Specifications

Rated input voltage

3-phase, 200 to 480 VAC (3-wire)

Input load

Approx. 2.6 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, Output (OUT): Yellow

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 range

45 to 65 Hz

Overload capacity

Continuous 528 V

Phase loss detection level

80%±10% of rated input
Calculation Formula
= 1 − ((Highest phase-to-phase voltage − Lowest phase-to-phase voltage)/Average three-phase phase-to-phase 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 (GB14048.5), LR (Category ENV1.2)2

Degree of protection

Terminals: IP20


1. The power supply voltage is the same as the rated input voltage.

2. Certification is pending for LR

1. The power supply voltage is the same as the rated input voltage.

2. Certification is pending for LR

How can we help you?

If you have a question or would like to ask for a quote, please contact us or send a request.

+47 22 65 75 00
Contact us

Kontakt meg K8DT-PH

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Personlige opplysninger

K8DT-PH

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