描述
XSZ PROXIMITY SENSORS
PR18-5DN M18 Shielded Proximity Sensor
An M18 shielded proximity sensor range for 5 mm close-range detection, with NPN, PNP, DC two-wire, and AC two-wire model choices.
M18 shielded sensing for metal targets
The XSZ PR18-5DN is the M18 shielded NPN normally open configuration with a listed 5 mm +/-10% sensing distance. The shielded M18 matrix also includes NPN, PNP, DC two-wire, and AC two-wire normally open and normally closed models.
The supplied reference image marks a 50 mm length, 18 mm diameter, red LED indicator, and two fastening nuts. Confirm the connection type and wiring with XSZ before order.

Key product advantages
M18 shielded construction
The supplied reference shows an M18 threaded sensor with a 50 mm length, 18 mm diameter, and two fastening nuts.
5 mm detection
The shielded M18 range is listed with a 5 mm +/-10% sensing distance and a 0-4 mm setting distance.
Output choices
Select NPN, PNP, DC two-wire, or AC two-wire NO or NC model codes according to the electrical requirement.
Type and Specification
| Type and Specification | ||
|---|---|---|
| Dimension | M18 | |
| Electrical type | Output logic | shielded |
| DC type | NPN, NO | PR18-5DN |
| NPN, NC | PR18-5DN2 | |
| PNP, NO | PR18-5DP | |
| PNP, NC | PR18-5DP2 | |
| DC 2-wire type | NO | PR18-5DO |
| NC | PR18-5DC | |
| AC 2-wire type | NO | PR18-5AO |
| NC | PR18-5AC | |
| Sensing distance | 5 mm +/-10% |
|---|---|
| Setting distance | 0-4 mm |
| Standard detection target | Iron 18 x 18 x 1 mm |
| Hysteresis | Less than 10% of sensing distance |
| Detectable target | Magnetic metal; sensing distance decreases for non-magnetic metals. |
| Supply voltage | DC type: DC 12-24 V (6-36 V), pulse (P-P) less than 10%; AC type: AC 110-220 V (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 |
| 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 electrical type, output logic, and NO or NC operation required by the control circuit.
- Use the listed 5 mm shielded sensing distance and 0-4 mm setting distance during installation planning.
- Match the target to the listed iron 18 x 18 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 M18 shielded configuration is listed at 5 mm +/-10%, with a 0-4 mm setting distance.
Which model codes are available?
The shielded matrix lists NPN, PNP, DC two-wire, and AC two-wire NO and NC model codes.
What does the reference image show?
It marks a 50 mm length, 18 mm diameter, a red LED indicator, and two fastening nuts.
Can XSZ confirm wiring?
Yes. Confirm the cable, connector, wiring arrangement, and target compatibility with XSZ before order.
Need the right M18 shielded model?
Send XSZ your required electrical type, output logic, and application details for model confirmation.






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