1320 Series DC Power Surge Protective Device INSTALLATION INSTRUCTIONS ATTENTION! • Installation must be performed only by a properly trained operator or an electrician. • National electrical installation rules must be followed. • The unit must be used only as a surge protector and according to the conditions described in this document. • Surge protectors must be selected in relation to a dedicated AC network (see Technical Data). • Dedicated fuses must be installed in the surge protector branch (see Standard Wiring). • In the case of a red indicator, the surge protector must be replaced. Technical Data Specification DC Network Protection Level 1320-S-48 48 Vdc Operating Altitude Operating Temperature Model 1320-S-75 75 Vdc IP 20 2000 m max. (6500 ft. max.) -40 to +85 °C max. (-40 to +1 °F max.) Indoor Use Only 1320-S-110 110 Vdc X Installation DIMENSIONS MIN. 1.5 mm2 MAX. 16 mm2 DIA. 15 mm - 5 AWG 1.5 mm2 10 mm2 15 mm - 7 AWG 4 16 mm (0.63 in.) 5 1.2 - 1.5 Nm (10.6 - 13.3 Lb-In.) DC Power Source – + F1 Protected Equipment F2 < 30 m 1 CLIP-ON SYMMETRICAL DIN RAIL 3 2.0 - 2.5 Nm (17.8 - 22.1 Lb-In.) PE 13 mm (0.5 in.) 2 DIMENSIONS MIN. 2.5 mm2 MAX. 35 mm2 DIA. 13 mm - 2 AWG 2.5 mm2 25 mm2 13 mm - 4 AWG Specifications 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 performance may vary over time. Users should verify actual device performance in their specific applications. 1320 Series DC Power Surge Protective Device INSTALLATION INSTRUCTIONS Wiring Standard Wiring V-Diagram Wiring – + – + Remote Contact Wiring 1.5 mm² # 16 AWG max. F1 F1 F2 a 2.1 Lb-In. 0.5 Nm max. 250 Vac / 0.5 A max. 30 Vdc / 3 A max. a+b= <50 cm (<20 in.) <50 cm (<20 in.) b PE PE F1 > 50 A F1 Remote signal for disconnection information F1 F1 ≤ 50 A F2 F2 ≤ 50 A SPD F1 ≤ 50 A SPD 11-12 Closed = SPD OK 11-14 Open = SPD OK 11-12 Open = SPD disconnect 11-14 Closed = SPD disconnect No F2 Maintenance 12 11 14 12 11 14 X and replace with 1320-xxx Asia-Pacific: 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 10/13 Specifications 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 performance may vary over time. Users should verify actual device performance in their specific applications.