SCHURTER Inc Sdk None Standard Schurter 41.0412

The SDK series consists of momentary non-illuminated switches with NC/NO contact configuration, silver-gold contacts, and IP40 protection. It has a maximum switching voltage of 50 V DC or 125 V AC, with a maximum switching current of 2 A AC or 1.2 A DC for silver contacts and 80 mA for gold contacts. The actuating force is 3-5 N, contact travel is 2.4 ±0.3 mm, and mechanical lifetime exceeds 2 × 10⁵ operations. The operating and storage temperature range is -40 °C to +85 °C. The package is designed for wave soldering, with a thermoplastic PC housing and CuBe2 terminals plated with 5 µm silver and 2 µm gold. The switch dimensions and mounting layout are consistent across variants.