232HESP B&B Electronics

BB-485HESP BB-422HESP 3-stage Surge Protectors for BB-232HESP RS-232, RS-422/485 Features Three stages of protection on every data line 1) Gas discharge tube 2) Series resistor 3) Transient voltage suppressor Protected signal ground connection Rugged terminal block connections Dedicated chassis ground lug Introduction Ordering Information These three-stage surge protectors protect against lightning strikes and other types of Model No. Interface Lines Protected Mounting voltage disturbances with three stages of protection for each line: a gas discharge tube followed by a series resistor and finally a Transient Voltage Suppresser (TVS). BB-485HESP RS-422/485 (3) RS-422/485 Panel Mount BB-422HESP RS-422/485 (5) RS-422/485 Panel Mount The surge protectors housed in a tough metal, panel mount case with a protected signal ground connection and dedicated chassis ground lug. In order to work properly, it is BB-232HESP RS-232 (5) RS-232 Panel Mount important to have a good connection between the 10 screws and a solid earth ground. Two terminal posts and two metal mounting brackets provide a good ground connection. Specifications Mechanical Serial Technology Installation Panel BB-485HESP Dimensions 11.4 x 8.4 x 4.6 cm (4.5 X 3.3 x 1.8 in) Connectors, line 3-position terminal blocks Weight 0.19 kg (6.7 oz) Connectors, equipment 3-position terminal blocks BB-232HESP / BB-422HESP Meantime Between Failures (MTBF) BB-232HESP: 986473 Connectors, line 5-position terminal blocks MTBF BB-422HESP: 897656 Connectors, equipment 5-position terminal blocks BB-485HESP: 968410 Surge Suppression Calculation Method Parts Count Reliability Prediction Clamping Voltage 72 Vdc, minimum Regulatory Approvals / Standards / Directives - Stage 1 108 Vdc, maximum FCC, UKCA Series Resistance 2.7 Ohms 2014/30/EU - Electro-magnetic Compatibility Directive (EMC) - Stage 2 2011/65/EU - amended by (EU) 2015/863 Reduction of Models BB-422HESP, BB-485HESP: CE - Directives Hazardous Substance Directive (RoHS) 6.45 Vdc, minimum 2012/19/EU - Waste Electrical and Electronic Equipment (WEEE) Clamping Voltage 7.14 Vdc, maximum EN 55032 - Class B Electromagnetic compatibility of multimedia - Stage 3 Model BB-232HESP: equipment Emission requirements 14.3 Vdc, minimum CE - Standards EN 55024 - Information Technology Equipment Immunity 15.8 Vdc, maximum 9 Characteristics Limits and methods of measurement Clamping Time Less than 5 x10 seconds Environmental Operating Temperature 0 to +70 C (+32 to +185 F) Storage Temperature -40 to +85 C (-40 to +185 F) Operating Humidity 0 to 95%, non-condensing BB-USOPTL4-2P BB-USOPTL4-4P 0221ds All product specifications are subject to change without notice. BB-485HESP BB-422HESP BB-232HESP 3021dsBB-485HESP BB-422HESP BB-232HESP Mechanical Diagram BB-232HESP & BB-422HESP 82.710.76 3.26.03 5.16 .20 4.98 86.610.51 .20 3.41.02 64.10 2.52 46.54 1.83 29.50 1.16 114.80 4.52