This part is a kind of semiconductor called TVR14621.
Function of this product has (TVR Series) Zinc Oxide Varistor.
Manufacturers : TKS
Image and pinout :

Some of the text within the PDF file :
TVR-SERIES Part Number Code TVR-SERIES Part Number Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TVR Product Code Thinking Varistor Resistance Disc 05 07 10 14 20 25 32 40 60 34 Ø Size 5Ø 7Ø 10Ø 14Ø 20Ø 25Ø 32Ø 40Ø 60Ø 34x34 Part No. (VlmA) 180 18x100V 241 24x101V 102 10x102V : : The Tolerance of VlmA K ±10% A 0~+10% B 0~-10% : : Serial Number Special Spec. Controlling Number S I L P : Lead Wire Style and Coating Straight Lead; Epoxy Coating Inner Kink Lead; Epoxy Coating Straight Lead; Silicone Coating Inner Kink Lead; Silicone Coating : A E B R C : Outward Appearance and Tape Tapping Hole Pitch: 12.7mm Tapping Hole Pitch: 15.0mm Tapping + Ammo (Box) Tapping + Reel Cutted Lead : Pág. 1/43 Rua Juquiá, 217 - Vila Antonieta - S.B.C. - Cep:09629-040 - SP - Brasil Tel [ ... ]