https://www.phoenixcontact.com/us/products/2818850 Surge protection device - CN-UB-280DC-BB - 2818850 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Attachment plug with replaceable surge protection for coaxial signal interfaces. Connection: N connector socket/ socket The illustration shows version CNUB-280DC-SB Product Features For outdoor installations Mounting plate enables mounting, e.g., in a control cabinet Replaceable, gas-filled arrester Installed as surge protection between antenna and wireless module Key commercial data Packing unit 1 pc Weight per Piece (excluding packing) 140.0 GRM Custom tariff number 85363010 Country of origin Germany Technical data Dimensions Height 25 mm Width 25 mm Depth 67 mm Ambient conditions Ambient temperature (operation) -40 C ... 80 C Degree of protection IP55 General Housing material Nickel-plated brass 08/06/2014 Page 1 / 5 https://www.phoenixcontact.com/us/products/2818850 Surge protection device - CN-UB-280DC-BB - 2818850 Technical data General Color nickel Standards for air and creepage distances IEC 60664-1 Surge voltage category III Pollution degree 2 Mounting type Connection-specific intermediate plugging Type Attachment plug Direction of action Line-Shield/Earth Ground Protective circuit IEC test classification C2 C3 D1 VDE requirement class C2 C3 D1 Maximum continuous operating voltage UC 280 V DC 195 V AC Maximum continuous voltage UC (wire-ground) 280 V DC 195 V AC Nominal current IN 5 A (25 C) Operating effective current IC at UC 1 A Nominal discharge current In (8/20) s (Core-Earth) 20 kA Nominal discharge current In (8/20) s (Core-Shield) 20 kA Total surge current (8/20) s 20 kA Total surge current (10/350) s 2.5 kA Max. discharge current Imax (8/20) s maximum (Core-Shield) 20 kA Nominal pulse current Ian (10/1000) s (Core-Shield) 100 A Impulse discharge current (10/350)s, peak value limp 2.5 kA Output voltage limitation at 1 kV/s (Core-Earth) spike 900 V Output voltage limitation at 1 kV/s (Core-Shield) spike 900 V Voltage protection level UP (Core-Earth) 1.1 kV (C2 - 10 kV / 5 kA) 900 V (C1 - 1 kV/500 A) 1 kV (C3 - 25 A) 1 kV (C3 - 25 A) 1 kV (C3 - 25 A) Voltage protection level UP (Core-Shield) 1.1 kV (C2 - 10 kV / 5 kA) 900 V (C1 - 1 kV/500 A) 08/06/2014 Page 2 / 5 https://www.phoenixcontact.com/us/products/2818850 Surge protection device - CN-UB-280DC-BB - 2818850 Technical data Protective circuit 1 kV (C3 - 25 A) 1 kV (C3 - 25 A) 1 kV (C3 - 25 A) Response time tA (Core-Earth) 100 ns Response time tA (Core-GND) 100 ns Input attenuation aE, asym. typ. 0.1 dB ( 1.2 GHz) typ. 0.2 dB ( 2.2 GHz) Cut-off frequency fg (3 dB), asym. (shield) in 50 Ohm system > 3 GHz Standing wave ratio SWR in a 50 system typ. 1.1 ( 2 GHz) Permissible HF power Pmax at VSWR = xx (50 ohm system) 700 W (VSWR = 1.1) 200 W (VSWR = ) Capacity (Core-Earth) typ. 1.5 pF Capacity asymmetrical (shield) typ. 1.5 pF Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C1 (1 kV / 500 A) C2 (10 kV/5 kA) C3 (100 A) D1 (2.5 kA) Connection data Connection method N connector 50 Connection type IN N connector, female Connection type OUT N connector, female Standards and Regulations Standards/regulations IEC 61643-21 Classifications eCl@ss eCl@ss 4.0 27140201 eCl@ss 4.1 27130801 eCl@ss 5.0 27130801 eCl@ss 5.1 27130801 eCl@ss 6.0 27130807 eCl@ss 7.0 27130807 eCl@ss 8.0 27130807 08/06/2014 Page 3 / 5 https://www.phoenixcontact.com/us/products/2818850 Surge protection device - CN-UB-280DC-BB - 2818850 Classifications ETIM ETIM 2.0 EC000943 ETIM 3.0 EC000943 ETIM 4.0 EC000943 ETIM 5.0 EC000943 UNSPSC UNSPSC 6.01 30212010 UNSPSC 7.0901 39121610 UNSPSC 11 39121610 UNSPSC 12.01 39121610 UNSPSC 13.2 39121620 Approvals Approvals Approvals UL Listed / GOST Ex Approvals Approvals submitted Approval details UL Listed Nominal current IN 5A Nominal voltage UN 280 V GOST 08/06/2014 Page 4 / 5 https://www.phoenixcontact.com/us/products/2818850 Surge protection device - CN-UB-280DC-BB - 2818850 Drawings Diagram Dimensioned drawing 1,4 (0,17) 1,6 11 67 1,3 (0,13) 1 0,8 1,2 (0,09) aE 25 1,2 dB 1,0 13,4 1,4 VSWR (r) 2 15,8 0,6 1,1 (0,05) 0,4 0,2 1M 1G 1,0 (0,0) 3G 2G Frequency 1 Typical attenuation curve for CN-UB-280DC... 2 Typical VSWR at CN-UB-280DC... Circuit diagram Phoenix Contact 2014 (c) - all rights reserved http://www.phoenixcontact.com 08/06/2014 Page 5 / 5