The WNTSA100-4T is a 100A thermal overload relay designed for motor protection in industrial control systems. It provides reliable overload and phase failure protection for three-phase motors when used with compatible contactors.
Specifications
Parameter Specification
Model WNTSA100-4T
Current Range 63-100A (adjustable)
Rated Voltage 690V AC max
Operational Voltage AC400V standard
Poles 3-pole
Protection Class Class 10
Ambient Temperature -25°C to +60°C
Mounting DIN rail or direct mounting
Auxiliary Contacts 1NO + 1NC (95-96, 97-98)
Trip Indication Mechanical flag
Reset Type Manual/Auto selectable
Standards IEC/EN 60947-4-1, UL 508