Proximity Sensors and Metal Detection Sensor SN04 Series Overview 1 piece metal detection sensor SN04N Proximity switch designed for metal inspection Compatible variants: SN04N2, SN04P, SN04P2 Output options: NPN or PNP Contact configurations: NC (normally closed) or NO (normally open) Model numbers: SN04 P1, P2, N1, N2 Key benefits Noncontact sensing for reliable metal detection without wear Flexible electrical outputs to match control systems (NPN or PNP) Configurable switch behavior (NC or NO) to support various wiring schemes Compact option within the SN04 family suitable for tight installations Function and performance Detects metal presence within the proximity range and provides a controllable electrical signal Suitable for metal inspection tasks in automation and manufacturing environments Multiple variants (SN04N, SN04N2, SN04P, SN04P2) to fit different wiring and logic needs Model identifiers SN04 P1/P2/N1/N2 correspond to the available configurations Compatibility and configuration Outputs: NPN or PNP transistors to interface with common controllers and relays Switching behavior: NC or NO to accommodate normally closed or normally open control logic Part of the SN04 proximity sensor family, enabling straightforward substitution or expansion in existing systems Typical use scenarios Conveyor line metal detection: detect metal parts passing a point and trigger downstream sorting or counting Automated assembly: sense metal components to control machine actions or interlocks, preventing misfeeds Quality control and tooling inspections: verify presence or absence of metal features during production cycles Notes 1 piece per package Model numbers cover SN04N and related variants (SN04N2, SN04P, SN04P2) with selectable NPN/PNP outputs and NC/NO configurations Model identifiers include SN04 P1/P2/N1/N2 for reference to specific configurations