Model: SE 110 024 / SE110024 S‑System infrared photo relay for modulated light.
Function: Amplifier/relay for separate infrared transmitter and receiver (R/T), relay operates when refracted beam is detected.
Supply voltage: 24 V AC.
Connections: 11‑pin plug‑in base; terminals for transmitter (T), receiver (R) and SPDT output relay.
Indicator: Front LED “Relay On”.
Removed from a working system; relay function and response to sensor input verified in a basic test.
Cosmetic marks and some writing on front label; pins are straight and clean with no visible corrosion.
