Chint NXR Thermal Overload Relay (48–65 A)

Model / Frame: NXR‑100

Adjustable Current Range: 48–65 A

Rated Operational Voltage: Up to 690 VAC (50/60 Hz), ideal for three-phase motor applications

Protection Features:

• Thermal overload protection

• Phase‑loss protection, safeguarding motors against single-phase faults

Auxiliary Contacts:

• 1 × Normally Open (NO)

• 1 × Normally Closed (NC)

Control & Indicator Functions:

• Temperature compensation to maintain accuracy in varying environments

• Action/trip indication and a built-in Test/Stop control button

• Supports manual reset, enhancing safety and reset reliability

Mounting Options:

• Plugs into compatible Chint NXC series contactors

• Can also be installed independently using the MB‑4 base

Standards & Certifications:

• Meets IEC/EN 60947‑4‑1 and IEC/EN 60947‑5‑1 standards — globally recognized for motor starter safety

• Features IP20 front protection for operator safety

Environmental and Mechanical Ratings:

• Ambient Temperature Range: –35 °C to +70 °C (nominal use between –5 °C to +40 °C)

• Engineered for resistance to shock and vibration per IEC 60068‑2‑6 and -2‑7