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CHINT 268410 ā NR2-630 Thermal Overload Relay, 160~250A
High-capacity 630A-frame thermal overload relay with adjustable range of 160ā250A. Includes 1NO + 1NC auxiliary contacts and built-in temperature compensation for maximum reliability.
š¹ Description (English):
The CHINT 268410 ā NR2-630 is a powerful thermal overload relay specifically designed for large industrial motors operating in the 160 to 250A current range. Built on a robust 630A frame, it is ideal for critical heavy-duty applications and fully compatible with CHINT NC7-205 through NC7-620 contactors.
Equipped with 1NO + 1NC auxiliary contacts, it allows for advanced control integration, including protection circuits, status indication, and emergency shutdown systems. The relay supports manual and automatic reset modes and offers temperature compensation, maintaining high-precision tripping even under extreme environmental changes.
Tested and certified according to IEC/EN 60947-4-1 and 60947-5-1, the NR2-630 provides reliable, long-term protection for applications such as crushers, industrial HVAC units, heavy conveyors, and mining equipment.
š¹ Key Features:
⢠Adjustable current range: 160~250A
⢠Heavy-duty 630A frame
⢠Auxiliary contacts: 1NO + 1NC
⢠Manual and automatic reset options
⢠Built-in temperature compensation
⢠Compatible with NC7-205 ~ NC7-620 contactors
⢠High-reliability for extreme industrial environments
⢠IEC/EN certified
š¹ Technical Specifications (English):
Parameter Value
Model NR2-630
Part Number CHINT 268410
Current Range 160~250A
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 Very large motor protection