BALLUFF BES 515-356-SA19-S4

Balluff Inductive Proximity Sensor

Description

The Balluff BES 515-356-SA19-S4 is a high-performance inductive proximity sensor designed for reliable detection of metallic objects in industrial automation applications. It features a rugged M12 stainless steel housing, making it suitable for demanding environments. This sensor operates with a standard 10-30 V DC supply and provides a PNP normally open output.

Specifications

• Manufacturer: Balluff
• Model: BES 515-356-SA19-S4
• Sensing Distance (Sn): 4.6 mm
• Operating Voltage: 10 to 30 V DC
• Output Type: PNP, Normally Open (NO)
• Current Rating: up to 200 mA
• Housing: M12x1 Threaded, Stainless Steel
• Mounting: Non-flush
• Connection: M12 Male Connector, 4-pin

Label Info

• Brand: Balluff
• Part Number: BES 515-356-SA19-S4
• Voltage: 10-30 V DC

Application

This sensor is ideal for position sensing, object detection, and counting tasks in packaging machinery, assembly lines, machine tools, and material handling systems.

Country of Origin

This product is manufactured in Germany.

CO2 Impact

Choosing this used component saves approximately 1.6 kg of CO2 compared to a new one, contributing to a more sustainable industrial operation.

Availability

Available from stock. Order now from spareparts2day for expert support and fast delivery.

FAQ

What does ‘non-flush’ mounting mean for this BES 515-356-SA19-S4 sensor?

Non-flush mounting means the sensing face of the sensor must protrude from the surrounding metal mounting surface. This is because the electromagnetic field it generates extends to the sides. Mounting it flush in metal would interfere with the field and reduce its sensing distance or cause false triggers.

Is the switching output of this sensor PNP or NPN, and what is the significance?

This model is a PNP (Positive-Negative-Positive) type sensor, which means it sources current. When it detects an object, the output switches to the positive supply voltage. This is the most common type in Europe and North America and is crucial for compatibility with PLC inputs that are designed to sink current.

Can this sensor be used in environments with cutting fluids or oils?

Yes, the sensor features a stainless steel housing and is typically rated to IP67 or higher, making it resistant to dust and water ingress. This construction makes it well-suited for use in machine tool applications and other industrial environments where it may be exposed to coolants, cutting fluids, and oils. Always check the specific IP rating in the datasheet for compatibility with your exact conditions.

Last Update: Friday, March 13, 2026

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