PRODUCT DESCRIPTION
ASEA BROWN BOVERI EF65-70 - Electronic Overload Relay
The ABB EF65-70 is an electronic overload relay engineered for robust motor protection in industrial applications. This device provides precise and reliable protection against overloads, phase loss, and phase unbalance, integrating seamlessly into motor control circuits. It is designed for use in demanding environments such as industrial motor control centers, HVAC systems, and general machinery requiring advanced motor protection.
Technical Specifications:
- SERIES/FAMILY: EF Series
- COMPONENT TYPE: Electronic Overload Relay
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690VAC
- RATED INSULATION VOLTAGE (Ui): 1000VAC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 8kV
- OPERATIONAL CURRENT RANGE (Ie): 20-70A (Adjustable)
- FREQUENCY: 50/60 Hz
- PHASE: Three-phase
- AUXILIARY CONTACTS: 1 NO + 1 NC
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, Contactor-mountable
- RESET FUNCTION: Manual or Automatic
- INTERFACE/CONTROL:
- CURRENT SETTING: Rotary dial adjustment
- FEEDBACK: Auxiliary contacts for remote trip indication
- DIAGNOSTICS: Visual trip indicator, Test button
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals)
- OPERATING TEMPERATURE: -25 to +70 degrees C
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Direct mounting to ABB AF series contactors (e.g., AF45, AF50, AF65, AF80) or DIN rail/screw mounting with adapter
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial motor control, pumping, ventilation, conveyor systems
- COMPATIBILITY: Optimized for integration with ABB AF series contactors