Hubbell 47AB10AD Type 5247 Alternating Relay 200V 10A SPDT

The Hubbell 47AB10AD is a Type 5247 Class 47 alternating relay designed to automatically alternate the operation of two separately mounted motor-driven pumps or compressors. This intelligent control solution ensures even readiness and wear on both units, extending equipment life and maintaining system reliability.

Key Features:

• Single pole double throw (SPDT) heavy-duty 10 amp silver cadmium oxide contacts
• 200V AC control voltage rating
• NEMA Rating A600 for reliable industrial performance
• Open type construction for easy installation and servicing
• Front wired design for simplified connections
• No load transfer operation for extended contact life
• Snap action contacts transfer when unit is de-energized
• Transparent dust cover protects contacts while allowing visual inspection
• UL Listed and CSA Certified for safety compliance

The circuit is never closed or opened while current is conducted, prolonging control life and ensuring reliable operation in demanding industrial environments. Ideal for duplex pump systems, air compressor stations, and other applications requiring automatic equipment alternation.