1. **Naming Rule**
Detection principle: Through‑beam; Power supply: AC/DC universal.
Light source: Red LED(617 nm) / Infrared LED(850 nm).
Connection: Cable‑integrated type.
‑ Red‑light 20 m: CPK‑TR20MR3
‑ Infrared‑light 20 m: CPK‑TF20MR3
2. **Available Part Numbers**
CPK‑TR20MR3 (Red‑light, 20 m), CPK‑TF20MR3 (Infrared‑light, 20 m)
3. **Detection Principle**
Through‑beam type, composed of transmitter and receiver. The sensor detects objects when the target blocks the light beam between transmitter and receiver.
4. **Sensing Range**
Sensing distance: 20 m.
Indicator: Orange‑action indicator; Green‑stability indicator; Power‑supply indicator equipped on transmitter.
5. **Main Model Versions**
Red‑light (617 nm) or infrared‑light (850 nm) optional; cable‑integrated connection; relay contact output.
6. **Key Features**
‑ Large‑square housing, AC/DC wide‑voltage power input DC24‑240V / AC24‑240V
‑ Strong EMC performance, suitable for harsh electromagnetic environment
‑ Response time: ≤20 ms
‑ Mechanical service life: 50 million operations; Electrical service life: 100 thousand operations
‑ Operating temperature:‑25~+55 ℃; Storage temperature:‑40~+70 ℃ (no icing, no condensation)
‑ Protection class: IP65 (IP67 customizable)
‑ Power consumption: Transmitter ≤1.5 W, Receiver ≤1.5 W
7. **Operation Mode**
Light‑ON / Dark‑ON freely selectable.
8. **Output Options**
Relay contact output, contact rating AC250V/3A(cosφ=1), DC5V/10 mA and above.