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ABB
2CCF019935R0001
MFR #2CCF019935R0001
SKU #YLSPXMY7YROOLMJ
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ABB 2CCS863002R1205
The S803S-UCB20-R is a 1-pole High Performance Circuit breaker for DC application with B-characteristic, with ring tongue terminal and a rated current of 20 A. It is a current limiting device with a maximum breaking capacity of 50kA at 750V. It can be used for voltages up to 750V DC. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. The S803S-UCB20-R complies with IEC/EN 60947-2 and allows the use for industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S803S-UCB20-R more comfortable. Due to the fast arc extinction of S803S-UCB20-R your application will be secured.
Extended Product TypeS803S-UCB20-R
Contact Position IndicationON / OFF / TRIP
Energy Limiting Class3
Number of Protected Poles3
Number of Poles3P
Tightening Torque3.5 N·m
About This Product
The S803S-UCB20-R is a 1-pole High Performance Circuit breaker for DC application with B-characteristic, with ring tongue terminal and a rated current of 20 A. It is a current limiting device with a maximum breaking capacity of 50kA at 750V. It can be used for voltages up to 750V DC. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. The S803S-UCB20-R complies with IEC/EN 60947-2 and allows the use for industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S803S-UCB20-R more comfortable. Due to the fast arc extinction of S803S-UCB20-R your application will be secured.
ABB 2CCS863002R1205
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Specifications
Extended Product TypeS803S-UCB20-R
Rated Ultimate Short-Circuit Breaking Capacity (Icu)(750 V DC) 50 kA
Rated Service Short-Circuit Breaking Capacity (Ics)(750 V DC) 50 kA
Contact Position IndicationON / OFF / TRIP
Energy Limiting Class3
Number of Protected Poles3
Number of Poles3P
Tightening Torque3.5 N·m
Release TypeB
Actuator MarkingI / O
Options ProvidedRinglug terminal
Recommended Screw DriverPozidriv 2
Accessories AvailableYes
Connecting CapacityFlexible 0 … 50 mm², Rigid 0 … 70 mm²
Terminal TypeScrew Terminals
Rated Operational Voltageacc. to IEC 60947-2 750 V DC
Rated Insulation Voltage (Ui)acc. to IEC/EN 60664-1 1500 V
Rated Impulse Withstand Voltage (Uimp)8 kV
Input Voltage TypeDC
Rated Current (In)20 A
Frequency (f)0...0 Hz
Rated Frequency (f)0 Hz
Power LossTotal 10.5 W, at Rated Operating Conditions per Pole 3.5 W
Overvoltage CategoryIII
Housing MaterialInsulation group I, RAL 7035
Ambient Air TemperatureOperation -40 ... 70 °C, Storage -40 ... 70 °C
Degree of ProtectionIP20
Pollution Degree2
Resistance to Vibrations1 mm 2 - 13.2 Hz, 0.7g with Load 100% x Ie 13.2 - 100 Hz
Resistance to Shock acc. to IEC 60068-2-275 g, 30 ms
Width in Number of Modular Spacings4.5
Built-In Depth (t2)82.5 mm
Mounting on DIN RailTH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715, TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Mounting PositionAny
StandardsIEC/EN 60947-2
Documents & CAD
Documents 23
CAD Files 3
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