Eaton
Eaton E57G-12SNN2-Q 12 mm Inductive Proximity Sensor
Detects metal objects up to 2 mm away with a 12 mm shielded stainless-steel body, 10–30 V DC supply, NPN normally-open output and IP67 protection
- Detects metal targets at 2 mm range
- Operates on 10 to 30 V DC supply
- Switches at 2 000 Hz for fast response
- IP67 and NEMA 4X rated for harsh environments
- Stainless steel body withstands -13 to 158 °F
Eaton 12 mm Inductive Sensor
The Eaton E57G-12SNN2-Q is a cylindrical inductive proximity sensor with a 12 mm diameter stainless-steel body. It detects metal targets at a maximum distance of 2 mm and operates on 10 to 30 V DC power. The unit suits automation and machinery applications requiring non-contact presence sensing. Its shielded construction allows flush mounting in metal brackets.
DC Supply Limits and Output Constraints
The sensor requires a 10 to 30 V DC supply and draws a maximum load current of 100 mA through its 3-wire NPN normally-open output. Switching frequency reaches 2,000 Hz, which sets the practical speed limit for repetitive detection tasks. Voltage outside the stated range or loads above 100 mA will cause unreliable operation or damage. The 4-pin micro DC connector fixes the wiring pinout.
Straightforward Installation With Environmental Seal
The 69 mm long housing mounts via its threaded 12 mm barrel and seals to IP67 and NEMA 4X, resisting water jets and dust ingress. Operating temperature spans -13 to 158 degrees F for use in unheated or hot environments. Wiring errors are the most common issue; verify NPN polarity and supply voltage before applying power. Over-tightening the lock nuts can crack the barrel threads.
Highlights
- Detects metal targets at 2 mm range
- Operates on 10 to 30 V DC supply
- Switches at 2 000 Hz for fast response
- IP67 and NEMA 4X rated for harsh environments
- Stainless steel body withstands -13 to 158 °F
Specifications
| Brand | EATON |
|---|
Questions about this item
Which sensing range suits a 12 mm cylindrical sensor — the 2 mm shielded version or a longer unshielded alternative?
This model is shielded and rated for a 2 mm maximum detecting distance, so it is chosen when a flush mount and precise short-range detection are required.
How does the 2 000 Hz operating frequency affect detection on a moving production line?
At 2 000 Hz the sensor can switch fast enough to register parts passing at high speed, giving reliable pulse counts for counting or positioning tasks.
What does the 4-pin micro DC connector provide for a 10–30 V DC supply?
The 4-pin micro DC connector carries the 10–30 V DC supply, the NPN normally-open output and ground in a single IP67-rated plug for quick, sealed wiring.
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