TH-N20KP-9A

Overview of Mitsubishi TH-N20KP-9A Thermal Overload Relay

The Mitsubishi TH-N20KP-9A is a thermal overload relay designed for motor protection in industrial control systems. It is part of the TH-N series, providing reliable overload and open-phase protection to ensure safe motor operation and prevent damage from excessive current.

Key Features of Mitsubishi TH-N20KP-9A Thermal Overload Relay

• Setting Current Range: Adjustable from 0.2 to 18 A; the 9A indicates a nominal setting within this range.
• Rated Insulation Voltage: 690 V suitable for various industrial applications.
• Protection Mode: Overload and open-phase protection with bimetal heating elements.
• Tripping Class: Class 10 overload protection ensures motor safety.
• Contact Arrangements: 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for signaling and control integration.
• Compatible Contactors: Frame N20, N21, N25, N35 types for seamless motor starter integration.
• Terminal Size: M4 screws for main circuit connections allow reliable secure wiring.
• Ambient Operating Temperature: Ranges from -25°C to 55°C enabling application in diverse environments.
• Compact Design: Ensures easy mounting alongside motor starters and contactors.

Technical Specifications of TH-N20KP-9A

Applications / Use Case

The Mitsubishi TH-N20KP-9A is primarily used in motor control circuits as an overload relay to prevent motor damage from excess current or phase failure. It is compatible with Mitsubishi motor starters and contactors, commonly used in industrial manufacturing, HVAC, and automation sectors.

Manufactured to international standards, it ensures high reliability and motor protection in demanding environments.