Busch-Jaeger central plate in stainless steel, model 1740-866. This central plate is designed for use with blind switches and buttons, specifically for insert models 2712/2713 U and 2722/2723 U. It features a rotary knob design with an imprint of arrows. The product is made from stainless steel, which is halogen-free and has a matte finish. It does not have a labeling field or a replaceable lens/symbol. The mounting type is clamp/screw, and it is suitable for protection class IP20 with an impact resistance of IK03. The surface is untreated and anti-fingerprint.