| Models | EE-SPW321, EE-SPW421 | EE-SPW321-A, EE-SPW421-A |
| Sensing distance | 300 mm *1 |
| Sensing object | Opaque: 2 mm dia. min. *2 |
| Directional angle | 10° to 40° |
| Light source | GaAs infrared LED (pulse lighting) with a peak wavelength of 940 nm |
| Indicator | Light indicator (Red LEDs, one each on Sensor and Amplifier) |
| Supply voltage | 12 to 24 VDC ±10%, ripple (p-p): 5% max. |
| Current consumption | Average: 30 mA max. |
| Control output | NPN open collector, Load power supply voltage: 12 to 24 VDC,
Load current: 100 mA max.,
OFF current: 0.5 mA max.
Residual voltage: 1 V max (at a 100-mA load current) |
| Response time | 1 ms max. for both detection and reset |
| Ambient illumination | 3,000 lx max. (incandescent light); 10,000 lx max. (sunlight) on the receiver |
| Ambient temperature range | -20 to +55°C |
| Ambient humidity range | 5% to 85% |
| Vibration resistance | Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 h each in X, Y, and Z directions |
| Shock resistance | 500 m/s2 |
| Degree of protection | IEC IP64 |
| Connecting method | Pre-wired (standard cable length: 2 m) |
Cable length from emitter
(receiver) to amplifier | 0.5 m | 1 m |
| Weight (Packaged) | 76 g |
