3-4

3Volt Operating Heater, 4-Second Nominal Time Delay, Normally Open (NO) Hermetically Sealed Thermal Time Delay Relay, utilizing a low-voltage 3V heating coil matrix designed to operate cleanly on micro-ampere level signaling tracks. It closes its contacts after a 4-second delay window to coordinate sequential power staging blocks safely without value drift under runtime machinery vibration, housed in a standard clear glass envelope chassis profile layout.