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1250-4S-480 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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1250-4S-480 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 3 page Features ■ 50 kA max. discharge current rating ■ Multi-pole uni-block design ■ DIN Rail mountable ■ UL 60691 compliant integrated thermal disconnect ■ Visual fault indicator ■ Remote signalling capability ■ Compact design ideal for limited spaces ■ Standards compliance: ■ RoHS compliant* 1250 Series General Duty AC Surge Protective Device *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. 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. Electrical Characteristics General Characteristics Environmental Characteristics Characteristic Model No. 1250-xS-120 1250-xS-230 1250-xS-400 1250-xS-480 AC Network 120/240 V, 120/208 V 220/380 V, 240/415 V 220/380 V, 277/480 V, 347/600 V 347/600 V, 480 V Connection Mode 1-Pole, L-N or L-G AC System IT, TT, TN, Single, Split Phase, Delta, Wye Max. Operating Voltage (MCOV) 150 V 275 V 420 V 550 V TOV Withstand 230 V 440 V 440 V 770 V Leakage Current at Uc < 1 mA Follow Current None UL Nominal Discharge Current (In) 15 Impulses 8/20 µs 20 kA Max. Discharge Current (Imax) 1 Impulse 8/20 µs 50 kA UL Voltage Protection Rating (VPR) 700 V 1000 V 1200 V 1800 V Protection Level (Up) 0.9 kV 1.25 kV 1.8 kV 2.5 kV UL Short-Circuit Current Rating (SCCR) 100kAIC Characteristic Model No. 1250-xS-120 1250-xS-230 1250-xS-400 1250-xS-480 Thermal Disconnector UL 60691 Overcurrent Protection Time Delay - 125 A Max. Connection By Screw Terminals, #6 AWG Max. Dimensions 90 x 18 x 67 mm / (3.543 x 0.709 x 2.638 In.) Mounting DIN Rail, 35 mm Symmetrical Remote Signal Indicator 250 Vac Max., 2 A Enclosure Material Thermoplastic UL 94V0 Characteristic Model No. 1250-xS-120 1250-xS-230 1250-xS-400 1250-xS-480 Operating Temperature -50 °C to +85 °C Operating Altitude 13,000 ft. (4,000 m) Relative Humidity 5 to 95 % Non-condensing, up to 100 % External Environmental Rating IP 20 Electrical Diagram General Information L/N V : High energy varistor Ft : Thermal fuse C : Remote signaling contact t° : Thermal disconnection system . . . C Ft V |
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