Description
The SN04-Y2 inductive proximity sensor is used for non-contact detection of metal objects in automation, signaling and control applications. It is a 2-wire design for AC power supply with NC switching function. Thanks to its compact square design, it is suitable for installations with limited space and for use in simple detection circuits.
Technical specifications
Model: SN04-Y2
Sensor type: inductive proximity sensor
Output type: AC 2-wire
Switching function: NC
Supply voltage: 90-250 V AC
Rated current: 400 mA
Detection distance: 4 mm
Body dimensions: 18 × 18 × 36 mm
Mounting type: non-flush design
Designed for detection: metal objects
Functions and features
Non-contact detection of metal objects without mechanical wear of the switching parts.
The square compact body allows installation in smaller devices and structures.
The 2-wire AC version is intended for connection to circuits with alternating power supply.
The NC switching variant is suitable for applications where a closed state in idle mode is required.
Ideal for
Detection of metal parts in automation technology.
Position control of mechanical parts of machines and equipment.
Simple industrial and workshop sensing applications.
Control and signaling circuits with alternating power supply.
Package contents
1x inductive proximity sensor SN04-Y2 with connection cable
Why choose this product?
Combines AC power and 2-wire wiring for direct use in AC circuits.
The technical design described corresponds to the detection of metal objects at short distances.
Compact dimensions make it easy to integrate into smaller devices.
The NC switching function expands the application possibilities in control and safety-oriented logics, if the circuit design corresponds to this.
Installation and operating instructions
When installing, observe the specifications for the non-flush sensor design.
Install the sensor so that only the desired metal objects are in the detection zone.
The wiring must correspond to the 2-wire AC version and the NC switching function.
Before commissioning, verify compatibility with the supply voltage and load circuit.
Safety notice
The product operates with a voltage of 90-250 V AC. Incorrect installation may result in electric shock.
Installation and connection must be carried out by a person with appropriate electrical qualifications.
Disconnect the power supply before any manipulation.
Incorrect wiring may result in damage to the sensor, connected equipment, or an electrical short circuit.
Use the product only in applications consistent with its electrical and functional design.






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