Features Applications Two, three and four-point con gurations Bourns Model 1210 and 1250 AC Surge Protective Devices (SPDs) Quick connect design Easy installation Versatile con gurations 1200-BB Series Bus Bar Accessory General Information The Bourns Model 1200-BB Series bus bar accessory provides a quick solution for combining the ground connection on two to four Model 1210 or 1250 Series SPDs. The bus bar is installed at the bottom of the SPD, providing a bridge that connects the individual ground points. After installation of the bus bar, a single ground wire can then be used to complete the installation, saving wiring time. Common Grounding Bus Bar Part Number Con guration Notes Point L/N L/N AC Surge AC Surge Protector Protector SPD1210-xxx SPD1210-xxx Uc Uc In In Imax Imax Up Up 1200-BB-2P The Model 1200-BB-2P allows for two single-pole devices to share one common grounding point. L/N L/N L/N AC Surge AC Surge AC Surge Protector Protector Protector SPD1210-xxx SPD1210-xxx SPD1210-xxx Uc Uc Uc In In In Imax Imax Imax Up Up Up The Model 1200-BB-3P allows for three single-pole 1200-BB-3P devices to share one common grounding point. L/N L/N L/N L/N AC Surge AC Surge AC Surge AC Surge Protector Protector Protector Protector SPD1210-xxx SPD1210-xxx SPD1210-xxx SPD1210-xxx Uc Uc Uc Uc In In In In Imax Imax Imax Imax Up Up Up Up The Model 1200-BB-4P allows for four single-pole 1200-BB-4P devices to share one common grounding point. Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.1200-BB Series Bus Bar Accessory Product Dimensions 29.8 (1.173) 11.8 (.465) 5.5 1.5 (.217) (.059) SECTION A SECTION A SECTION 18.3 2 17.7 (.720) 2 R3 (.697 ) 18.0 (.709) 65.8 47.8 (2.591) (1.882) MM DIMENSIONS: (INCHES) REV. 10/19 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.