Schneider Electric TeSys Deca thermal overload relay.

The Schneider Electric TeSys Deca thermal overload relay is a high-performance motor protection device designed to safeguard AC motors and control circuits against overload, phase failure, and unbalanced current conditions. Built for reliability and precision, it offers accurate thermal protection while ensuring long motor life and system safety in industrial applications.

Part of the renowned TeSys range, the Deca series combines robust construction, adjustable current settings, and easy integration with TeSys D contactors, making it ideal for use in motor starters and control panels. Its bimetallic thermal sensing elements provide precise trip characteristics that mimic motor heating curves, ensuring dependable protection under varying load conditions.

Key Features:

• Type: Thermal overload relay (bimetallic)

• Rated Operational Current: Typically 0.1 A to 38 A (model-dependent)

• Trip Class: Class 10A / 10

• Protection Functions: Overload, phase imbalance, and phase loss

• Reset Options: Manual and automatic reset modes

• Mounting Type: Direct mounting on TeSys D contactors or DIN-rail

• Auxiliary Contacts: 1 NO + 1 NC (trip indication)

• Adjustable Current Range with fine calibration dial

• Ambient Temperature Compensation for accurate protection

• Conformity: IEC 60947-4-1, UL, CSA certified

• Operating Temperature Range: –20°C to +60°C