features matched high energy mov internal thermal disconnects status indicator replaceable modular design din rail compatible base remote signalling capability standards compliance: rohs compliant* applications dc power supplies 1320 series dc power surge protective device *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. the bourns model 1320 series is a dc power surge protective device (spd) designed to protect power systems from damage due to lightning and power surges. the model 1320 series is a din rail mountable spd targeted for systems ranging from 48 to 110 vdc. electrical characteristics general characteristics environmental characteristics characteristic model no. 1320-s-48 1320-S-75 1320-s-110 network voltage (un) 48 vdc 75 vdc 110 vdc max. operating voltage (uc) 65 vdc 100 vdc 150 vdc nominal discharge current (in) 15 ka 20 ka 20 ka max. discharge current (i max ) 8/20 ? max. 30 ka 40 ka 40 ka protection level @ in (up) 300 v 390 v 500 v protective fuses, if applicable 20 a 50 a 50 a thermal disconnector internal characteristic model no. 1320-s-48 1320-S-75 1320-s-110 connection by screw terminal, cross-section 1.5-10 mm 2 (active wire) and 2.5-25 mm 2 (grounding wire) disconnection indicator 2 mechanical indicators mounting din rail, 35 mm symmetrical remote signal indicator ds2xos-xxdc) by changeover contact enclosure material thermoplastic ul 94v0 weight 128 g/unit 128 g/unit 130 g/unit characteristic model no. 1320-s-48 1320-S-75 1320-s-110 operating temperature -40 ? to +85 ? environmental rating ip 20 electrical diagram general information v : varistor ft : thermal fuse c : remote signaling contact t : thermal disconnection system c 1.1 1. 2 1. 4 +/? +/? ft ft t o t o v v standards compliance iec61643-1 - international ..........low voltage spd - test class ii nf en 61643-11 - france ...........low voltage spd - test class ii ul1449 3rd edition - usa ....................... type 4, type 2 location ul1449 3rd edition - canada .................. type 4, type 2 location csa c22.2 no. 8-m1986 ............... class 9091 32, class 9091 92 *rohs compliant
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. 1320 series dc power surge protective device product dimensions dimensions: mm (inches) rev. 05/13 how to order 1320 - s - xxx series remote signalling code s = remote signalling dc operating voltage 48 = 48 v 75 = 75 v 110 = 110 v asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com 18.0 (.709) + ? dc surge protector spd1320-xxx uc in imax up 67.0 (2.638) 9.0 (.354) 90.0 (3.543)
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