NCB8-18GM50-Z4

## Datasheet excerpt: Technical data of NCB8-18GM50-Z4### General specifications - **Switching function:** Normally open (NO) - **Output type:** Two-wire - **Rated operating distance:** 8 mm - **Installation:** flush - **Output polarity:** DC - **Assured operating distance:** 0 ... 6.48 mm - **Reduction factor r_Al:** 0.4 - **Reduction factor r_Cu:** 0.4 - **Reduction factor r_304:** 0.7 - **Reduction factor r_Brass:** 0.5### Nominal ratings - **Operating voltage:** 3.5 ... 30 V - **Switching frequency:** 0 ... 1000 Hz - **Hysteresis:** typ. 5% - **Reverse polarity protection:** reverse polarity-conductive - **Short-circuit protection:** pulsing - **Voltage drop:** ≤ 3.5 V - **Temperature drift:** ± 15% - **Operating current:** 2 ... 100 mA - **Off-state current:** typ. 0.8 mA - **Switching state indicator:** LED, yellow - **Stability alarm indicator:** LED, red - **Stability control-switch point:** 0.8 s_r ... 0.9 s_r### Functional safety related parameters - **MTTF_d:** 1370 a - **Mission Time (T_M):** 20 a - **Diagnostic Coverage (DC):** 0 %### Compliance with standards and directives - **Standard conformity:** - **Standards:** - EN 60947-5-2:2007 - EN 60947-5-2/A1:2012 - IEC 60947-5-2:2007 - IEC 60947-5-2 AMD 1:2012### Approvals and certificates - **UL approval:** cULus Listed, General Purpose - **CSA approval:** cCSAus Listed, General Purpose - **CCC approval:** CCC approval / marking not required for products rated ≤36 V### Ambient conditions - **Ambient temperature:** -25 ... 70 °C (-13 ... 158 °F) - **Storage temperature:** -25 ... 85 °C (-13 ... 185 °F)### Mechanical specifications - **Connection type:** cable PVC, 2 m - **Core cross section:** 0.34 mm² - **Housing material:** brass, nickel-plated - **Sensing face:** PBT - **Degree of protection:** IP67## Classifications | System | Classcode | |----------------|------------| | ECLASS 11.0 | 27270101 | | ECLASS 10.0.1 | 27270101 | | ECLASS 9.0 | 27270101 | | ECLASS 8.0 | 27270101 | | ECLASS 5.1 | 27270101 | | ETIM 8.0 | EC002714 | | ETIM 7.0 | EC002714 | | ETIM 6.0 | EC002714 | | ETIM 5.0 | EC002714 | | UNSPSC 12.1 | 39121550 |