Siemens BERO 3RG4143-6AD00 Inductive Proximity Switch

Description

The Siemens BERO 3RG4143-6AD00 is a robust inductive proximity switch designed for non-contact detection of metallic objects. It features a large sensing distance of 65mm and operates within a wide voltage range of 10 to 65 V DC. Housed in a durable rectangular enclosure with an IP65 rating, this sensor is well-suited for various industrial automation applications, including conveyor systems, positioning tasks, and machine control. Its PNP output with a changeover contact (NO/NC) provides flexible integration options.

Specifications

• Manufacturer: Siemens
• Product Series: BERO
• Part Number: 3RG4143-6AD00
• Type: Inductive Proximity Switch
• Sensing Distance (Sn): 65 mm
• Operating Voltage: 10 - 65 V DC
• Output Type: PNP
• Switching Current: 300 mA
• Switching Function: Normally Open (NO) / Normally Closed (NC) Changeover
• Protection Class: IP65
• Housing Material: Plastic

Label Info

• U: 10 - 65 V DC
• I: 300 mA pnp
• Sn: 65mm
• IP 65

Application

This sensor is ideal for use in factory automation, logistics, material handling, and manufacturing machinery where reliable detection of metal parts from a distance is required. Common applications include position sensing on conveyor belts, detecting the presence of machine parts, and controlling automated processes.

Country of Origin

Germany

CO2 Impact

By purchasing this pre-owned sensor, you help avoid the emission of approximately 18 kg of CO2. This saving is comparable to the emissions from driving a car for 90 kilometers or charging a smartphone 2160 times. Choosing refurbished components is a smart decision for both your budget and the environment.

Availability

This is an obsolete item, no longer in production by Siemens. Availability is limited to existing stock. The direct successor recommended by the manufacturer is the Siemens 3RG4143-6CD00.

FAQ

A PNP (Positive-Negative-Positive) sensor sources current, meaning it provides a positive voltage output when activated. An NPN (Negative-Positive-Negative) sensor sinks current, meaning it provides a path to ground (negative) when activated. The choice between PNP and NPN depends on the input requirements of your PLC or control device, with PNP being more common in Europe.

Non-flush mountable means that the sensor's active face must protrude from the surrounding metal mounting surface. A metal-free zone must be maintained around the sensing head to prevent interference with the inductive field, which could reduce the sensing distance or cause false triggering. This design allows for a larger sensing range compared to a flush-mountable version of the same size.

Yes, most modern industrial DC sensors from reputable manufacturers like Siemens, including the BERO series, have built-in reverse polarity protection. This prevents damage to the sensor's internal electronics if the positive and negative supply wires are accidentally swapped during installation.

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Last Update: Friday, March 13, 2026

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