A14.1 - Square D Thermal Unit

A14.1 - Square D Thermal Unit

Keep your motors running safely and efficiently with the Schneider Electric A14.1 (model 9065) Thermal Overload Relay Thermal Unit. This premium-quality, Class 20 thermal protector is built to shield motors and control equipment from potentially harmful overcurrent and locked-rotor situations. With its signature melting-alloy technology, it reacts reliably—disconnecting the circuit within 20 seconds of dangerous overheating, letting systems reset without damage. Whether you're upgrading old setups or building a new motor control panel, the A14.1 gives you dependable protection and peace of mind.

Key Features and Benefits

• Precision Motor Safeguarding: Melting-alloy thermal sensing triggers trip action to prevent sustained overloads and overheating.
• Fast Response Time: Cuts off current within 20 seconds during overcurrent events—helping to stop damage before it starts.
• Single-Piece Construction: One-piece design reduces potential failure points, lowering service needs and downtime.
• Time-Delay, Current-Limiting Fuse Support: Works seamlessly with standard protective devices to shield both circuitry and equipment.

Technical Specifications

• Motor Tripping Class: Class 20
• Overload Mechanism: Melting alloy
• Trip Response: ≤ 20 seconds under overload
• Compatible Fuse Types: Time-delay, current-limiting
• Dimensions:
  • Width: 3 inches
  • Length: 1.3 inches
  • Height: 1.3 inches
• Weight: 0.65 lb

Material Compliance and Certifications

• Meets global safety and performance standards for motor protection systems
• OEM-grade materials ensure long-term operation and environmental resistance

Where It Works Best

• Ideal for motor control systems, industrial panels, HVAC setups, and agricultural machines—especially where high start-up currents and intermittent overloading are common. If you need reliable motor protection you can count on, the A14.1 delivers consistent results.