Overview

The CHINT NR2-25 thermal overload relay is a compact, reliable protective device specifically designed to safeguard electric motors and control circuits from damage due to overload or phase failure. Tuned for operational compatibility with the E-TUN-5030 shrink tunnel heat machine, this relay ensures optimal performance, extended equipment life, and consistent system safety.

Key Features

• Current Range: 4–6 Amps
  Ideal for medium-capacity motor circuits like those powering the E-TUN-5030, the relay’s adjustable current setting allows precise tuning to match motor requirements, ensuring responsive protection without nuisance tripping.

• Manual & Automatic Reset Modes
  Equipped with a dual reset mechanism, the NR2-25 allows operators to choose between manual reset for controlled restarts or automatic reset for continuous operation in stable environments.

• Phase Failure Protection
  Integrated phase-loss detection ensures the motor is shut down if one phase is lost, preventing overheating and equipment damage—a vital feature for 3-phase shrink tunnel systems.

• Trip Indicator & Test Button
  A visible trip indicator provides immediate fault identification, while the built-in test button facilitates functional checks without system disassembly.

• DIN Rail & Contactor Mounting
  Supports quick installation directly onto CHINT contactors or standard DIN rails, promoting compatibility and flexibility during panel integration.

California Residents: read Proposition 65 warning.