The Hongfa HF3FF/012-1ZST is an electromagnetic coil relay rated at 12V AC, a 1 Form-C normally open contact configuration, and a 1 Amp switch capacity. It features a shockproof plastic enclosure, quick-connect terminals, a tamper-proof design, and a coil power consumption of 6.8W. It is UL, CUL, EN, and VDE approved and is used in industrial automation and control applications.