this specific 29688 unit is optimized for blends no higher than 5% biodiesel to protect the internal seals

Always verify the specific FLA and LRA requirements of your interlocking relay or starter to ensure the switch remains within its operating parameters

While it shares features with other limit controls

Before replacing the Lennox 96W66 board

Designed to handle the rigorous electrical demands of commercial HVAC applications

Siemens Industrial Controls 3RV2021-4DA10 Motor Protector THPU32HP7Y this specific 29688 unit isThe Siemens 3RV2021 4DA10 Motor Protector is a high performance SIRIUS 3RV2 motor starter protector designed for the switching and protection of three phase induction motors up to 22 kW at 690V. Built on the S0 frame size, this unit offers an adjustable thermal overload trip range of 18 to 25 Amps and includes a fixed magnetic instantaneous release set at 325A for robust short circuit protection. Engineered for efficiency, the optimized bimetal trip