*R oH S CO M PL IA N T Features ■ 50 kA max. discharge current rating ■ Compact design ideal for limited spaces ■ Multi-pole uni-block design ■ Standards compliance: ■ DIN Rail mountable ■ RoHS compliant* ■ UL 60691 compliant integrated thermal disconnect ■ Visual fault indicator ■ Remote signalling capability 1250 Series General Duty AC Surge Protective Device Electrical Diagram L/N ® The Bourns Model 1250 Series is a general duty Surge Protective Device (SPD) designed to protect high risk electrical service entrance and branch panels. This SPD is intended to be installed at the front end of the installation, in the main switchboard, close to sensitive terminals or in installations without LPS (lightning rods). The Model 1250 Series is a single-pole module that can be configured for both common mode and differential mode protection in single and three phase applications up to 480 V. 1. 4 1. 1 1. 2 General Information C Ft V V: Ft : C: t° : High energy varistor Thermal fuse Remote signaling contact Thermal disconnection system Electrical Characteristics Model No. Characteristic 1250-xS-120 120/240 V, 120/208 V AC Network Connection Mode AC System Max. Operating Voltage (MCOV) TOV Withstand Leakage Current at Uc Follow Current UL Nominal Discharge Current (In) 15 Impulses 8/20 µs Max. Discharge Current (Imax) 1 Impulse 8/20 µs UL Voltage Protection Rating (VPR) Protection Level (Up) UL Short-Circuit Current Rating (SCCR) 150 V 230 V 1250-xS-230 1250-xS-400 220/380 V, 220/380 V, 277/480 V, 240/415 V 347/600 V 1-Pole, L-N or L-G IT, TT, TN, Single, Split Phase, Delta, Wye 275 V 420 V 440 V 440 V < 1 mA None 1250-xS-480 347/600 V, 480 V 550 V 770 V 20 kA 50 kA 700 V 0.9 kV 1000 V 1.25 kV 1200 V 1.8 kV 1800 V 2.5 kV 1250-xS-400 1250-xS-480 100kAIC General Characteristics Model No. Characteristic 1250-xS-120 Thermal Disconnector Overcurrent Protection Connection Dimensions Mounting Remote Signal Indicator Enclosure Material 1250-xS-230 UL 60691 Time Delay - 125 A Max. By Screw Terminals, #6 AWG Max. 90 x 18 x 67 mm / (3.543 x 0.709 x 2.638 In.) DIN Rail, 35 mm Symmetrical 250 Vac Max., 2 A Thermoplastic UL 94V0 Environmental Characteristics Characteristic Operating Temperature Operating Altitude Relative Humidity Environmental Rating Model No. 1250-xS-120 1250-xS-230 1250-xS-400 1250-xS-480 -50 °C to +85 °C 13,000 ft. (4,000 m) 5 to 95 % Non-condensing, up to 100 % External IP 20 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 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. Applications ■ Electrical service entrance ■ Branch panels 1250 Series General Duty AC Surge Protective Device Product Dimensions and Schematics 1250-1S-xxx 10.6 (.417) 67.0 (2.638) 18.0 (.709) L/N L/N t° AC Surge Protector 90.0 (3.543) Mi Ft SPD1250-xxx V Uc In Imax Up C 1250-2S-xxx 67.0 (2.638) 36.0 (1.417) 90.0 (3.543) 44.0 (1.732) 60.8 (2.394) L L/N L/N N Mi Ft t° AC Surge Protector AC Surge Protector SPD1250-xxx SPD1250-xxx Uc In Imax Up Uc In Imax Up Mi Ft DIMENSIONS: t° V 10.6 (.417) MM (INCHES) V C 1250-3S-xxx 54.0 (2.126) L L2 L1 L L AC Surge Protector AC Surge Protector AC Surge Protector SPD1250-xxx SPD1250-xxx SPD1250-xxx Uc In Imax Up Uc In Imax Up Uc In Imax Up Ft Mi t° Ft L3 Mi t° V Ft Mi t° V V C 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. 1250 Series General Duty AC Surge Protective Device Product Dimensions and Schematics (Continued) 1250-4S-xxx 72.0 (2.835) L L L/N L N AC Surge Protector AC Surge Protector AC Surge Protector AC Surge Protector SPD1250-xxx SPD1250-xxx SPD1250-xxx SPD1250-xxx Uc In Imax Up Uc In Imax Up Uc In Imax Up Uc In Imax Up Ft L/N Mi t° Ft L/N Mi t° V Ft L/N Mi t° V Ft Mi t° V V DIMENSIONS: MM (INCHES) C Standards Compliance How To Order IEC61643-1 - International ................................ Class I, Class II EN 61643-11 - Europe ....................................... Class I, Class II NF EN 61643-11 - France ................................. Class I, 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 ..............................................RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011 1250 - x S - xxx Series Configuration 1 = One Protected Pole 2 = Two Protected Poles 3 = Three Protected Poles 4 = Four Protected Poles Remote Signaling Code S = Remote Signaling Operating Voltage 120 = 120/240 V, 120/208 V 230 = 220/380 V, 240/415 V 400 = 220/380 V, 277/480 V, 347/600 V 480 = 347/600 V, 480 V Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com REV. 03/15 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.