The ABB EF460-500 thermal overload relay is a high-capacity motor protection device designed for heavy industrial motors. With an adjustable current range of 150 to 500 A, it is tailored for use with ABB AF400 to AF460 contactors. This relay offers precise protection against overloads, phase failure, and current imbalance, ensuring reliable motor operation and enhanced safety in demanding industrial settings.
Adjustable current range: 150 – 500 A
Trip class 10A: Provides fast and accurate motor overload protection
Phase failure detection: Protects motors from single-phasing and voltage imbalance
Manual and automatic reset options: Flexible for different control and operational requirements
Integrated test and stop buttons: Facilitate easy testing and manual interruption
Direct mounting compatibility: Designed to fit ABB AF400 to AF460 contactors for seamless installation
Temperature compensation: Maintains reliable tripping performance despite ambient temperature changes
IP20-rated finger-safe terminals: Ensure safe handling during wiring and maintenance
Visual trip indicator: Enables quick fault diagnosis and status monitoring
Robust and compact design: Suitable for harsh industrial environments and space-saving panel installations