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ABBData schedule: SF 6 Circuit Breaker
Tender: 13Q1925303−1 , Item: 70
General dataType LTB 245E1Type of operation 1 Pole OperationNumber of poles 3Min temperature °C −25Max temperature °C 40Max altitude m 1000
Ratings and guaranteed performance in accordance with IEC 62271−100
Rated voltage kV 245
Rated insulation levelsRated lightning impulse withstand voltage to earth kVpeak 1050 across the open circuit breaker kVpeak 1050Rated switching impulse withstand voltage to earth kVpeak − across the open circuit breaker kVpeak −Rated power frequency withstand voltage to earth kV 460 across the open circuit breaker kV 460
Rated frequency Hz 60Rated normal current A 2000Rated short−circuit breaking current kA 40DC component % 60First pole−to−clear factor 1.5Rated transient recovery voltage for terminal faults kVpeak 420
Rated characteristics for short line faultPeak factor 1.6RRRV factor kV/µs/kA 0.24Surge impedance Ohm 450
Rated peak making current kApeak 104Rated duration of short−circuit current s 3
Rated out of phase characteristicsOut of phase making and breaking current kA 10.0Voltage factor 2
Rated line charging breaking current A 125Rated cable charging breaking current A 250
Rated operating sequence O−0.3s−CO−3min−COMechanical endurance class M2
Operating timesOpening time ms 17 ±2Break time ms 40Closing time ms <28
Constructional featuresNumber of breaks per pole 1Gas mixture 0.8 MPa SF6Total mass of gas kg 26Volume of gas liter 3 x 158Max. working pressure MPa (gauge) 0.80Filling pressure at +20°C MPa (abs) 0.80Alarm pressure MPa (abs) 0.72Blocking pressure MPa (abs) 0.70
Bursting disc No
HV terminal IEC(40) 9−hole +NEMA(44.5) 4−hole
06/28/2013 03:32:06 PM 1/2
Heater in packing boxes Yes
Breaker position indication (O−I) ABIERTO−CERRADOYellow−Yellow
Dimension print 1HSB435452M202Seismic/Reinforced 0.5g IEC 62271−300
InsulatorsType of insulators and colour Brown porcelainMin nominal creepage distance phase−to−earth mm 6523Min nominal creepage distance across open breaker mm 6370
Operating mechanismNumber of drives 3Motor charged spring operating mechanism BLK 222Whether fixed trip or trip−free (IEC Publ.60050(441)) Trip−freeOperating voltage VDC 220Heater voltage VAC 220Motor voltage VDC 220
Power required at rated supply voltage byClosing coil W 200Opening coil W 200Motor kW 0.9Heating element, continuously W 70Heating elements, connected by thermostat W 140
Number of auxiliary contacts making and breaking 12NO+12NCManual trip Yes, internal
Type of terminals supply Entrelec M6/8 STA(disconnectable)
Type of terminals signals Entrelec M4/6TCS resistor YES without resistorCircuit diagram 1HSB543212−GKFTCS resistor 'ICC' YES without resistorCircuit diagram 'ICC' 1HSB543212−GKE
© ABB AB 2007. All rights to this document and its information are reserved. Any form of reproduction,
use, or disclosure to third parties or unauthorised persons without our prior written consent is strictly forbidden.
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