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OPTEX FA ET-S500ND | Miniature Through-Beam Photoelectric Sensor | 500 mm, Side ON, NPN Dark ON
The ET-S500ND is a Side ON through-beam miniature sensor with a 500 mm sensing distance and an NPN output set to Dark ON. OPTEX FA offers Side ON models such as the ET-S500ND for places where width is limited, and the body accepts mounting holes at a pitch of 8 to 11 mm. Like the rest of the E Series, the ET-S500ND uses a red LED light source and an IP67-rated PC housing.
- Detection: through-beam, Side ON
- Sensing distance: 500 mm
- Output: NPN, Dark ON, open collector max. 50 mA/24 VDC
- Thickness: 5 mm; 2 m cable (ø2.5 mm)
- Degree of protection: IP67
- Specifications
| Part Number | ET-S500ND |
| Brand | OPTEX FA |
| Series | E Series |
| Detection Type | Through-beam |
| Mounting Format | Side ON |
| Sensing Distance | 500 mm |
| Output | NPN open collector, max. 50 mA/24 VDC |
| Output Mode | Dark ON |
| Light Source | Red LED |
| Spot Size | Approx. ø60 mm at 500 mm |
| Smallest Detectable Object | ø0.8 mm |
| Connection | 2 m cable (ø2.5 mm) |
| Supply Voltage | 12 to 24 VDC ±10% |
| Degree of Protection | IP67 |
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