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UKD1 Magnetic DC Contactor 22A 24V dc Coil 3-Pole CE Certified

UKC1 DC Coil Contactor is an electromagnetic switching device specifically engineered for DC circuits. Its core characteristic is the use of a DC power supply to energize the coil, generating electromagnetic force to reliably control the opening and closing of main contacts. This enables precise switching and protection for DC power supplies or loads. The contacts are made of wear-resistant materials like silver alloy, and the coil features high insulation ratings, ensuring adaptability to harsh industrial environments, including extreme temperatures and vibrations.

Designed for exceptional durability, it boasts a compact and robust structure that integrates key components such as the coil, main contacts, and auxiliary contacts. This solid construction guarantees a long service life and superior performance, even under demanding operating conditions. The product complies with industry standards and electrical safety regulations, including IEC 60947-5-1 and IEC 60947-4-1.

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Key Features

  • DC Coil Design: The contactor utilises a DC-powered coil (e.g., 24V, 48V), ensuring rapid response and stable operation, making it ideal for DC control systems.
  • Main Contact Performance: Equipped with multiple poles (typically 3 poles), the main contacts offer high current-carrying capacity and excellent arc resistance, capable of handling inductive loads (such as motors, battery packs) in DC circuits.
  • Installation & Compatibility: Supports DIN rail or screw mounting and can be flexibly combined with DC thermal overload relays and auxiliary contact modules to adapt to various equipment layouts.

Applications

  • Start, stop, and directional control for small DC motors (e.g., conveyor belts, roller shutter drive motors).
  • Switching DC loads like solenoids and heaters in automated machinery.
  • DC circuit switching in compact solar systems and battery storage units (e.g., charge/discharge loop control).
  • Managing branch circuit ON/OFF operations within DC power distribution cabinets.
  • Controlling DC-driven ventilation equipment and lighting circuits in Building Management Systems (BMS).
  • Power control for DC motors in security systems (e.g., barrier gates, bollards).
  • DC power supply circuit switching in medical instruments and lab equipment.
  • Power control for electric tools and compact warehouse machinery.
Type Rated current AC3(IEC60947) AC1 Ith Aux. Contacts
220~240V 380~440V 500~550V 690V
UKD1 – 9/3 9A

25KW

11A

4KW

9A

4KW

7A

4KW

5A

25A 1NO + 1NC
UKD1 – 9/4 20A Select
UKD1 – 9008
UKD1 – 12/3 12A

3.5KW

13A

5.5KW

12A

7.5KW

12A

7.5KW

9A

25A 1NO + 1NC
UKD1 – 12/4 20A Select
UKD1 – 12008
UKD1 – 18/3 18A

4.5KW

18A

7.5KW

18A

7.5KW

13A

7.5KW

9A

40A 1NO + 1NC
UKD1 – 18/4 25A Select
UKD1 – 18008
UKD1 – 22/3 22A 5.5KW 22A

11KW

22A

15KW 22A 15KW 18A 40A 1NO + 1NC
UKD1 – 22/4 32A Select
UKD1 – 22008
UKD1 – 32/3 32A 7.5KW 32A 15KW 32A 18.5KW 28A 18.5KW 20A 50A 1NO + 1NC
UKD1 – 32/4 Select
UKD1 – 32008
UKD1 – 40/3 40A 11KW 40A 18.5KW 40A 22KW 32A 22KW 23A 60A 1NO + 1NC
UKD1 – 40/4 Select
UKD1 – 40008

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