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Cylindrical stainless steel inductive proximity sensor with 2 m cable

Eaton

Eaton E57G-12SNN2-C2 12 mm inductive proximity sensor

SKU CH-5XS1-QBB00

A shielded 12 mm inductive sensor detects metal at 2 mm range, runs on 10 to 30 V DC, and withstands -13 to 158 °F in an IP67 stainless-steel body

  • 12 mm inductive sensor detects metal at 2 mm
  • Shielded stainless-steel body rated IP67 and NEMA 4X
  • 10–30 V DC supply with 3-wire NPN normally-open output
  • 2 000 Hz switching frequency handles fast automation cycles
  • Operates from -13 °F to 158 °F with 100 mA max load

12 mm inductive proximity sensor

The Eaton E57G-12SNN2-C2 is a cylindrical inductive proximity sensor with a 12 mm diameter stainless-steel body. It operates on a 10 to 30V DC supply and provides a 3-wire NPN normally-open output. The shielded design allows flush mounting in metal structures. Rated IP67 and NEMA 4X, it suits harsh industrial environments.

Upgrade from non-shielded or shorter-range sensors

This model replaces non-shielded units that cannot be flush-mounted or sensors with a shorter detecting distance. The 2 mm maximum detecting distance and 2,000 Hz operating frequency make the jump worthwhile when reliable close-range metal detection is needed at speed. Buyers who need a longer sensing range or a PNP output type will not be served by this device.

Sustained operation in harsh conditions

The sensor maintains performance across an operating temperature range of -13 to 158 degrees F. Its IP67 and NEMA 4X ratings protect against dust ingress and water immersion during continuous duty. The 100 mA maximum current load and 2 m cable connection remain stable under prolonged electrical and mechanical stress. The 64 mm overall length fits confined machine spaces.

Highlights

  • 12 mm inductive sensor detects metal at 2 mm
  • Shielded stainless-steel body rated IP67 and NEMA 4X
  • 10–30 V DC supply with 3-wire NPN normally-open output
  • 2 000 Hz switching frequency handles fast automation cycles
  • Operates from -13 °F to 158 °F with 100 mA max load

Specifications

BrandEATON

Questions about this item

What diameter hole or bracket does the 12 mm sensor need for mounting?

The sensor body is 12 mm in diameter and 64 mm long, so a 12 mm clearance hole or M12 threaded bracket is required for flush mounting.

How do I wire the 3-wire NPN output to a 10–30 V DC supply, and what mistake should I avoid?

Connect brown to +10–30 V DC, blue to 0 V, and black to the load returning to 0 V; the common error is wiring the load to the positive rail instead of the negative rail for an NPN device.

When should I expect to replace the 2 m cable or the sensor itself in a NEMA 4X / IP67 environment?

The stainless-steel housing and IP67 rating protect the electronics, but the 2 m PVC cable should be inspected annually for abrasion or chemical damage and replaced if the jacket cracks.

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