描述
XSZ PROXIMITY SENSORS
SZC-M18-5DN M18 Shielded Proximity Sensor
A DC NPN normally open M18 shielded proximity sensor specified with a 5 mm rated sensing distance for close-range industrial detection.
Select an M18 sensor for close-range detection
XSZ SZC-M18-5DN is listed as the M18 shielded DC NPN normally open configuration. Its source-supported values are a 5 mm +/-10% sensing distance, 0-4 mm setting distance, 70 mm body length, and 18 mm body diameter.
Compare the M18 shielded and non-shielded versions below, then confirm the target material, current ratings, and connection arrangement with XSZ before order.

Key product advantages
M18 shielded format
The selected model uses an M18 shielded form factor with a 70 mm body length and 18 mm body diameter.
Defined sensing range
The listed shielded sensing distance is 5 mm +/-10%, with a 0-4 mm setting distance.
Reference electrical data
The supplied product references list 10-30 VDC operation, LED indication, and short-circuit protection.
Type and Specification
| Type and Specification | |||
|---|---|---|---|
| Dimension | M18; 70 mm body length; 18 mm diameter | M18; 68 mm body length; 18 mm diameter | |
| Installation type | Shielded | Non-shielded | |
| DC type | NPN, NO | SZC-M18-5DN | SZC-M18-8DN |
| NPN, NC | SZC-M18-5DN2 | SZC-M18-8DN2 | |
| PNP, NO | SZC-M18-5DP | SZC-M18-8DP | |
| PNP, NC | SZC-M18-5DP2 | SZC-M18-8DP2 | |
| AC 2-wire type | NO | SZC-M18-5AO | SZC-M18-8AO |
| NC | SZC-M18-5AC | SZC-M18-8AC | |
| Sensing distance | 5 mm +/-10% | 10 mm +/-10% | |
| Setting distance | 0-4 mm | 0-8 mm | |
| Response frequency | DC: 0.5 kHz; AC: 25 Hz | ||
| Detectable target | Metal, non-metal, water, wood, stone, plastic, feed, and other materials. Confirm with XSZ before order. | ||
| Operating voltage | 10-30 VDC | ||
| Ripple | Less than 10% | ||
| Leakage current | Less than 0.01 mA | ||
| Current ratings | Confirm with XSZ before order | ||
| Voltage drop | Less than 1.5 V | ||
| Switching hysteresis | Less than 15% (Sr) | ||
| LED indicator | With LED | ||
| Short-circuit protection | Yes | ||
| Housing material | Nickel-plated copper | ||
| Sensing face material | ABS | ||
| Operating temperature | 0 to +60 deg C | ||
| Temperature drift | Less than 10% (Sr) | ||
| Connection and wiring | Confirm with XSZ before order | ||
Where it helps
Selection and installation checklist
- Verify that DC NPN normally open logic matches the connected controller input.
- Use the listed 0-4 mm setting distance for the shielded 5 mm sensing range.
- Choose the non-shielded M18 option only when its 10 mm range and 68 mm body length suit the installation.
- Confirm target compatibility, current ratings, connection type, and wiring with XSZ before order.
Frequently asked questions
What is the SZC-M18-5DN sensing distance?
The selected shielded M18 model has a 5 mm +/-10% rated sensing distance and a 0-4 mm setting distance.
What M18 model options are available?
The M18 table lists DC NPN and PNP, normally open and normally closed versions, plus AC two-wire normally open and normally closed versions.
What is the response frequency?
The supplied table lists DC at 0.5 kHz and AC at 25 Hz.
What should be confirmed before order?
Confirm target compatibility, current ratings, wiring, connection type, and controller-input compatibility with XSZ.
Confirm the exact SZC-M18-5DN configuration
Send your target material, output requirement, supply voltage, and mounting layout for a factory quotation.






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