TE Connectivity MDR-4164 Rotary Relay 120V-AC

TE Connectivity MDR-4164 Rotary Relay 120V-AC is a compact TE Connectivity MDR Series rotary relay with a 120 VAC coil, designed to switch multiple circuits in demanding environments. As part of TE's Specialty Relays, the MDR family is built to withstand high impact shock and vibration and is offered in a range of contact configurations—from 4 Form C (4PDT) through 24 Form C (24 PDT)—to support complex multi-pole switching in a single package. The series accommodates both AC and DC coil variants, enabling flexible integration into industrial controls, aerospace and defense equipment, and test instrumentation where reliability is critical. The 4164 model reflects the 120 VAC coil option within this rugged family, providing a proven solution for applications requiring durable rotary switching in a compact form factor. Note that some catalogs list MDR-4164 as discontinued, so availability may be limited and verifying current stock is advisable before procurement.