Power factor (cos φ) monitoring relay COS-2

DESCRIPTION

• Relay monitors phase shift between current and voltage in 3-phase or 1-phase networks - evaluates COS φ (replacement COS-1).
• The relay is designed to monitor overload/relieve the motors.
• Relay is designed for 3 x 400/230 V circuits.
• Galvanically isolated power supply AC 230 V, AC 110 V, AC 400 V or AC/DC 24 V.
• Adjustable upper and lower level COS φ.
• Possibility to extend the current range using a current transformer.
• Two output relays (for each level independent).
• Adjustable delay eliminating engine start-up.

TECHNICAL PARAMETERS

• Circuit monitoring: 3/1-phase
• Adjustable range: COS φ 0.1-0.99
• Output:  2x CO, 16 A
• Housing: 3-MODULE
• Power supply: AC/DC 24 V, AC 230 V, AC 400 V (50/60 Hz)
• Dimensions: 90 x 52 x 65 mm (3.5˝ x 2˝ x 2.6˝)

Downloads

• Datenblatt COS-2

  Format: pdf | Size : 123 kB | 01. 10. 2020

• EC Declaration of conformity COS-2 230V

  Format: pdf | Size : 314 kB | 01. 10. 2020

• EC Declaration of conformity COS-2 24V

  Format: pdf | Size : 319 kB | 01. 10. 2020