Schneider Electric K1F003MLH Harmony K

Use the Schneider Electric K1F003MLH to monitor currents across three circuits safely and reliably. Part of the Harmony K line, this cam ammeter switch offers precise measurements, solid construction, and standard industrial protection—designed for electrical panels and industrial automation applications.

Key Features & Benefits

• Three-Circuit Ammeter Functionality
  Allows switching between three measurement lines (L1, L2, L3), plus an OFF (0) position. Useful for selecting which line your measuring instrument monitors.

• 90° Switching Angle
  Distinct positions at 0°, 90°, 180°, and 270°, giving clear feedback and stable operation.

• 12 A Rating
  Rated for a conventional free-air thermal current of 12 A, suitable for many panel applications.

• Front Mounting, Multifixing Design with 45×45 mm Front Plate
  Includes a standard front plate (45 mm × 45 mm), enabling installation into standard panel cutouts. The black 35 mm handle with metallic legend (“0 – L1 – L2 – L3”) ensures clear labeling.

• Durability
  Mechanical life rated at ≈ 1,000,000 cycles.

• Protection Rating
  IP40 protected: guards against solid objects but not water exposure.

• Insulation & Rated Voltage
  Insulation voltage up to 690 V, with pollution degree 3 per IEC standards.

Technical Specifications (Summary)

Ideal Applications

• Panel meters and ammeter circuits where you need to select which phase (L1, L2, or L3) to monitor.

• Electrical distribution boards in industrial or commercial settings.

• Maintenance setups where monitoring different circuits is needed without rewiring.

• Situations where clarity and durability of measurement switching are critical.