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ABB S803SC20 High Performance Miniature Circuit Breaker 50kA at 400VAC 3-P 20A 400/690VAC C-Curve

Product Code: S803SC20

  • Rated current of 20 A, ideal for diverse uses.
  • High breaking capacity of 50 kA at 400 VAC.
  • Durable with electrical lifespan of 10,000 cycles.
  • Compact design: 81 mm width, fits DIN rail.
  • Complies with IEC/EN and UL standards.
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Specifications

Cable Cross Section - Solid/Stranded (mm²) Top/Bottom - 50/50
Cable Cross Section - Flexible (mm²) Top/Bottom - 70/70
Dimensions (mm) 81W x 95H x 82.5D
Maximum Operational Voltage DC (V) 375
Maximum Operational Voltage AC (V) 690
No. of Poles 3
Pole Width (mm) 27
Power Loss (W) 10.5
Rated Conditional Short-Circuit Current - Inc (kA) 50
Pollution Degree 3
Rated Current (A) 20
Rated Frequency (Hz) 50
Rated Insulation Voltage (V) 690
Rated Impulse Withstand Voltage (kV) 8
Rated Operational Voltage DC (V) 375
Rated Short-Circuit Capacity - Icn (kA) 25
Rated Operational Voltage AC (V) 400/690
Breaking Capacity 400V AC - Icu (kA) 6
Breaking Capacity 230V AC - Icu (kA) 50
Rated Voltage AC (V) 400
Voltage Type AC/DC
Rated Voltage (V) 400
Width in Number of Modular Spacings 4.5
Minimum Temperature (°C) -25
Poles 3P
Breaking Capacity (kA) 50 @400 V AC
Current Rating (A) 20
Family S800S
AC Voltage (V) 400/690
DC Voltage (V) 375
Icn-Rated Short Circuit Capacity (kA) 25
Inc-Rated Conditional Short Circuit Capacity (kA) 50
Impulse Withstand Voltage (kV/1.2µS) 8
Built-in Depth (mm) 82.5
No. of Protected Poles 3
Product Type High Performance Circuit breaker
Brand ABB
Series S800S
Application Commercial and Industrial
Breaking Capacity 50 kA at 400 VAC
Cable Cross Section 50 sq-mm Top, 50 sq-mm Bottom
Collection S800S
Current Limiting Class 3
Curve Type C
Degree of Pollution IP3
Degree of Protection IP20
Depth 82.5 mm
Electrical Durability 10000 Cycles
Height 95 mm
Housing Colour RAL 7035 Grey
Housing Material Insulation Group I, RAL 7035
Impulse Voltage 8 kV
Mounting Type DIN Rail
Number of Poles 3
Number of Protected Poles 3
Operational Temperature -25 deg C
Overvoltage Category 4
Pole Width 27 mm
Power Loss 10.5 W
Rated Current 20 A
Rated Frequency 50 Hz
Rated Impulse Withstand Voltage 8 kV
Rated Insulation Voltage 690 V
Rated Short Circuit Current 50 kA
Rated Voltage 400/690 VAC
Release Type C
Short Circuit Capacity 25 kA
Standards and Approvals IEC/EN 60947-2, IEC/EN 60898-1, UL 1077
Terminal Type Screw Clamp
Tightening Torque 3.5 N-m
Trip Curve C Curve
Width 81 mm

Description

The S803S-C20 is a 3-pole High Performance Circuit breaker with C-characteristic, with cage terminal and a rated current of 20 A. It is a current limiting device with a maximum breaking capacity of 50kA at 240/415V. It can be used for voltages up to 400/690V and in DC as well. It has two different tripping mechanisms, the thermal tripping mechanism for overload protection and the electromechanic tripping mechanism for short circuit protection. The S803S-C20 complies with IEC/EN 60898-1 and IEC/EN 60947-2 and allows the use for residential, commercial and industrial applications. It has numerous of approvals, therefore it can be used worldwide. The extensive range of accessory makes the use of S803S-C20 more comfortable. Due to the fast arc extinction of S803S-C20 your application will be secured.

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17

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