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CHINT 268413 ā NR2-630 Thermal Overload Relay, 315~500A
Industrial-grade 630A-frame thermal relay, adjustable from 315 to 500A. Includes 1NO + 1NC auxiliary contacts, ideal for heavy machinery and mission-critical motor protection systems.
š¹ Description (English):
The CHINT 268413 ā NR2-630 is the highest-rated thermal overload relay in its series, supporting motor protection in the 315 to 500A range. With its robust 630A frame, it is built to handle the most demanding industrial applications and is fully compatible with CHINT NC7-205 through NC7-620 contactors.
This relay includes 1NO + 1NC auxiliary contacts for seamless integration with control panels, alarm systems, or emergency shutdown circuitry. It supports manual and automatic reset and includes temperature compensation to ensure accuracy and safety under fluctuating temperature conditions.
Certified under IEC/EN 60947-4-1 and 60947-5-1, this relay is ideal for steel plants, mining equipment, cement mills, and other high-demand infrastructure.
š¹ Key Features:
⢠Adjustable current range: 315~500A
⢠Heavy-duty 630A frame
⢠Auxiliary contacts: 1NO + 1NC
⢠Manual and automatic reset options
⢠Temperature compensation for thermal stability
⢠Compatible with NC7-205 ~ NC7-620 contactors
⢠Designed for high-demand industrial environments
⢠IEC/EN certified
š¹ Technical Specifications (English):
Parameter Value
Model NR2-630
Part Number CHINT 268413
Current Range 315~500A
Frame Size 630A
Compatible Contactors NC7-205 ~ NC7-620
Auxiliary Contacts 1NO + 1NC
Reset Mode Manual / Automatic
Temperature Compensation Yes
Standards Compliance IEC/EN 60947-4-1, 60947-5-1
Application Protection of very large motors