描述
XSZ PROXIMITY SENSORS
PR12-4DN M12 Non-shielded Proximity Sensor
An M12 non-shielded proximity sensor range for close-range metal detection, with DC NPN, DC PNP, DC two-wire, and AC two-wire model choices.
M12 non-shielded sensing for compact machines
The XSZ PR12-4DN is the M12 non-shielded DC NPN normally open configuration, listed with a 4.0 mm +/-10% sensing distance. The M12 matrix also includes NPN, PNP, DC two-wire, and AC two-wire normally open and normally closed models.
The supplied image shows a 45 mm length reference, 12 mm body diameter, two hex nuts, and a red LED indicator. Confirm the connection type and wiring with XSZ before order.

Key product advantages
M12 non-shielded construction
The supplied image shows a 12 mm body diameter, 45 mm length reference, and two hex nuts.
4.0 mm detection
The M12 non-shielded range is listed with a 4.0 mm +/-10% sensing distance and a 0-3.2 mm setting distance.
Output selection
The matrix includes DC NPN, DC PNP, DC two-wire, and AC two-wire output choices with NO and NC options.
Type and Specification
| Type and Specification | |||
|---|---|---|---|
| Dimension | M12 | ||
| Electrical type | Output type | Output logic | non-shielded |
| DC type | NPN | NO | PR12-4DN |
| NC | PR12-4DN2 | ||
| PNP | NO | PR12-4DP | |
| NC | PR12-4DP2 | ||
| DC 2-wire type | 2-wire | NO | PR12-4DO |
| NC | PR12-4DC | ||
| AC 2-wire type | 2-wire | NO | PR12-4AO |
| NC | PR12-4AC | ||
| Sensing distance | 4.0 mm +/-10% |
|---|---|
| Setting distance | 0-3.2 mm |
| Standard detection target | Iron 15 x 15 x 1 mm |
| Hysteresis | Less than 10% of sensing distance |
| Detectable target | Magnetic metal; sensing distance is reduced for non-magnetic metal. |
| Supply voltage | DC type: 12-24 VDC (6-36 V), pulse (P-P) less than 10%; AC type: 110-220 VAC (36-250 V), 50/60 Hz. |
| Consumption current | N.P type: less than 13 mA; D type: less than 0.8 mA; A type: less than 1.7 mA. |
| Control output | N.P type: less than 300 mA; D type: less than 200 mA; A type: less than 400 mA. |
| Circuit protection | N.P.D type: reverse-connection protection, surge absorption, and load short-circuit protection; A type: surge absorption. |
| Ambient temperature and humidity | Operating and storage: -30 to +65 deg C, no freezing or dew; 35-95% RH. |
| Insulation resistance | At least 50 Mohm at DC 500 V megger, between the energized part and housing. |
| Temperature influence | -30 to +65 deg C: within +/-15% sensing distance at +23 deg C; -25 to +60 deg C: within +/-10% at +23 deg C. |
| Voltage influence | Within +/-15% of rated supply-voltage range; within +/-10% sensing distance at rated supply voltage. |
| Protection class | IP67 (IEC specification) |
| Material | Housing: nickel-plated brass; sensing face: ABS. |
| Cable and connection | Confirm with XSZ before order |
Where it helps
Selection and installation checklist
- Select the required DC NPN, DC PNP, DC two-wire, or AC two-wire output and NO or NC operation.
- Use the listed 4.0 mm non-shielded sensing distance and 0-3.2 mm setting distance during installation planning.
- Match the target to the listed iron 15 x 15 x 1 mm standard detection target.
- Confirm cable, connector, wiring, and target compatibility with XSZ before order.
Frequently asked questions
What sensing distance is listed?
The M12 non-shielded configuration is listed at 4.0 mm +/-10%, with a 0-3.2 mm setting distance.
Which model codes are available?
The matrix lists DC NPN, DC PNP, DC two-wire, and AC two-wire NO and NC model codes.
What are the image references?
The supplied image shows a 45 mm length reference, 12 mm body diameter, two hex nuts, and a red LED indicator.
Can XSZ confirm wiring?
Yes. Confirm the cable, connector, wiring arrangement, and target compatibility with XSZ before order.
Need the right M12 non-shielded model?
Send XSZ your required output logic, operating mode, and application details for model confirmation.






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