Panasonic Through Beam (Fork) Photoelectric Sensor 6 mm Detection Range NPN IP64 Fork Style PM-K45-C3. Electrical Connection: 3m Cable. Maximum DC Voltage: 24V. Optical Technology: Phototransistor. Terminal Type: Cable. Light Source: Infrared LED. Maximum Current: 50 (Sink Current) mA. Response Time: 20 (Received) μs, 80 (Interrupted) μs. Housing Material: PBT (Enclosure), Polycarbonate (Display Section). Mounting Type: Chassis Mount. Standards Met: IEC.