Recessed magnetic contact. Designed for recessed mounting on wooden frames of doors or windows. EN50131 Grade 2 Certificate, Class III. Brass housing. With hose 4 x 0.18 mm2 of 2 m. Contact NC. Maximum distance 6-10 mm. Alnico type magnet. Temperature: -30 to 70 ºC. Dimensions: Ø 8 x 33 mm.