These are high quality Single Pole - Double Throw(SPDT)sealed relays. Use them to switch high voltage、and/or high current devices.
This relay's coil is rated up to 12V、with a minimum switching voltage of 5V. The contacts are rated up to 5A(@250VAC、30VDC).
Note
In the Datasheet below there is a pin layout listed as "Bottom View." Be aware、this pin layout is actually the top-down view NOT bottom-up.
TE Connectivity 熱収縮チューブ, 収縮前 1.6mm, 収縮後 0.8mm, 黒 CRN-1/16-0-STKTE Connectivity Japan(旧:TYCOELECTRONICS(タイコエレクトロニクス))税込¥549~¥499~

