S1091B2OFF-ON. Body Material: zinc alloy. Case coating: chromium. Contact coating material: silver plated. Contact coating: silver plated. Contacts Configuration: SPST. Drilling/cutting dimensions for fastening: Ø12mm. Housing material: zinc alloy. Housing: KKAPCS. Key shape: smooth. Mechanical rotation angle: 90°. Number of positions: 2. Number of stable positions: 2 positions. Number of terminals: 2. RoHS: no. Switch mode: OFF-ON. Switch type: Key switch. Total length: 30.5mm. Total positions: 2. Original product from manufacturer: Highly. Quantity in stock updated on 12/19/2025, 13:04