WNTSA100-4T 100A_Schneider_PRODUCT_吉林易择科技技术发展有限公司

The WNTSA100-4T is a 100A thermal overload relay designed for protecting three-phase motors against overloads and phase failures. Compatible with TeSys D series contactors, it is commonly used in industrial motor control circuits for reliable and adjustable protection.

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DESCRIBE

Specifications Parameter Specification Model WNTSA100-4T Current Setting Range 63 – 100 A Rated Insulation Voltage (Ui) 690 V AC Rated Operational Voltage (Ue) 400 V AC Poles 3 poles Trip Class Class 10 Ambient Temperature Range –25 °C to +60 °C Mounting DIN‑rail or direct mounting Auxiliary Contacts 1 NO (97‑98) + 1 NC (95‑96) Trip Indication Mechanical flag Reset Manual / automatic (selectable) Standards IEC/EN 60947‑4‑1, UL 508, CSA Protection Features Overload, phase unbalance, phase loss Primary Applications Motor protection for pumps, fans, and compressors Conveyor and material‑handling systems Industrial machinery and process equipment HVAC and building automation systems

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