Industrial 91DH34A0A Induction Motor Controller

The Nordic Series 21B 91DH34A0A Induction Motor Controller provides full-voltage starting, overload protection, and motor control for three-phase industrial motors operating on 230/460 VAC at 60 Hz. With a 5 HP rating at 230 VAC (10 HP at 460 VAC) and a 17 A full-load current, it is designed for continuous-duty use and mounts in industrial control panels or enclosures. It is commonly installed to start pumps, conveyors, compressors, fans, and mixers, and is suitable for HVAC equipment, water and wastewater facilities, agricultural machinery, material handling systems, and OEM manufacturing equipment where dependable starting and protection are needed. Maintenance teams and system integrators use the 91DH34A0A for replacing failed starters, retrofitting control panels, and restoring reliable motor control in demanding industrial environments. Common replacements include Allen-Bradley 509-BOD Size 1 Motor Starter, Square D 8536SCO3V02S, and Siemens 14DU32AF81.