The Knopp K-3 Phase Sequence Indicator is a reliable and durable tool designed to safeguard your equipment against damage while saving valuable man-hours. It quickly pays for itself with its efficiency and versatility, providing clear and straightforward sequence indication across a broad range of voltages and frequencies.

• Rotary Type: Provides clear, positive phase sequence indication by rotor rotation.
• No Lamps: No bulbs to burn out or replace, ensuring long-lasting reliability.
• Rugged and Reliable: Designed for durability in even the harshest conditions.
• Versatile: Suitable for a wide range of voltages (60-600V) and frequencies (25-60 Hz).
• Time-saving: Reduces testing time and minimizes errors in connection setup