Chint NXR Thermal Overload Relay (12–18 A)

Model / Frame Size: NXR‑25 (suitable for motor protection up to ~25 A)

Adjustable Current Range: 12–18 A

Rated Operating Voltage: Up to 690 VAC, for both 50 Hz and 60 Hz systems

Protection Functions:

• Thermal overload protection

• Phase-loss detection, preventing operation under single-phase conditions
  

Auxiliary Contacts:

• 1 × Normally Open (NO)

• 1 × Normally Closed (NC)
  

Control Features:

• Includes temperature compensation, trip indicator, test/stop button, and both manual/automatic reset capability
  

Mounting Options:

• Plugged into chassis-compatible contactors (e.g., Chint NXC series)

• Standalone mounting available via MB‑2 base

Standards & Certifications:

• Conforms to IEC/EN 60947‑4‑1 and IEC/EN 60947‑5‑1 standards
  

Enclosure Rating: IP20 (finger-safe)

Ambient and Operating Range:

• Designed for operation between –35 °C to +70 °C, with a nominal operating range of –5 °C to +40 °C