Hubbell Industrial Controls 47AB10AH Relay 321702-401 featuring a robust brass body

featuring a robust brass body and high-grade stainless steel seat insert to minimize erosion

For technicians installing or maintaining pressure vessels

Durable Construction: Snap-acting SPST contacts provide clean electrical breaks and extended cycle life under thermal stress

Professional installation is recommended to ensure proper permanent split capacitor wiring and optimal system airflow

Built for durability and performance

Hubbell Industrial Controls 47AB10AH Relay 321702-401 featuring a robust brass bodyThe Hubbell Industrial Controls 47AB10AH is a heavy duty 480V alternating relay engineered for duplex pump and motor control systems. Functioning as a SPDT (Single Pole Double Throw) controller, this device alternates the lead and lag operations between two loads, ensuring equal wear and extending the service life of critical system components. Designed for compatibility with industrial motor starters and pilot duty applications, it features a robust