The FTR-B4GA012Z-B05 is an electronic component manufactured by the Fujitsu Group. It is a compact, sealed, 4-pole relay normally used as a general-purpose switch or signal sensing device. The relay has a rated voltage of 5VDC, a contact rating of 5A/240VAC, and a contact resistance of less than 100mO. Its contact configuration is 1NC/1NO and its switching capacity is 1.4 VA/DC (max). It also has a mechanical life expectancy of 100K cycles, a sealing protection of IP67 and an operating temperature range of -40 - 85°C.