22 mm round blue plastic signaling lamp flat button blocked as signal 3SU1001-0AD50-0AA0.

Siemens offers high-quality switches, including power contacts, auxiliary contacts, motor starters, and solid-state relays. Notable products include converters, soft starters, programmable relays, PAC network parameter analyzers, power switches, PLC controllers and expansion units, signaling columns, foot switches, limit switches, current and voltage control relays, timers, temperature relays, and safety relays.

Siemens Manufacturer Code: 3SU1001-0AD50-0AA0.