www.advantech-bb.com / Enabling an Intelligent Planet All product specifications are subject to change without notice. PRODUCT FEATURES 3-Stage DIN Rail Surge Protector HESP4DR •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 • Wide operating Temperature • NEMA TS2 ACCESSORIES CU15B - Copper Grounding Strap ORDERING INFORMATION MODEL NUMBER INTERFACE LINES PROTECTED MOUNTING HESP4DR RS-422/485 (5) RS-422/485 DIN Rail Mount SPECIFICATIONS SERIAL TECHNOLOGY Connectors, line 5 position terminal blocks Connectors, equipment 5 position terminal blocks SURGE SUPPRESSION Clamping Voltage - stage 1 72 VDC, minimum 108 VDC, maximum Series Resistance - stage 2 2.7 Ohms Clamping Voltage - stage 3 6.45 VDC, minimum 7.14 VDC, maximum Clamping Time Less than 5 x10-9 seconds Dimensions 3.55 x 7.88 x 10.53 cm (1.4 x 3.1 x 4.2 in) Installation DIN rail mount Weight 0.114 kg (4.02 oz) ENVIRONMENTAL Operating Temperature -40 to 80°C (-40 to 176°F) Storage Temperature -40 to 85°C (-40 to 185°F) Operating Humidity 0 to 95% Non-condensing APPROVALS / CERTIFICATIONS - HESP4DR FCC Part 15, CISPR, EN 55022: 2010 + AC:2011 Class A Emissions CE, NEMA TS2 EN 61000-6-1: 2007 Generic Standards for Residential, Commercial and Light- Industrial Environments EN 61000-4-5: 2006 Electrical Surges Download complete Declaration of Conformity at www.bb-elec.com Chapter 19 Table of Contents Table of Contents