TE Connectivity Power Relays 608498 - TE Connectivity 1721531-2, The TE Connectivity 1721531-2 Relay is a non-latching PCB relay featuring a 1NO (normally open) contact arrangement.It operates on 12V DC, making it suitable for low-voltage applications.This relay is commonly used in automotive and industrial control systems.Its compact design supports efficient integration into circuit boards. TE Connectivity 1721531-2 PCB Relay Miniature Appliance Tray 1 pc