Product Model

S203M-B4DC

In Stock
Last updated: 2025/4/19
ABB S203M-B4DC

Selling Points

  • 1High inbuilt short circuit breaking capacity across the entire model line.
  • 2Flexible AC and DC application for versatile usage.
  • 3Compliance with all major international and local standards.
  • 4Easy integration with System pro M compact accessories.
  • 5Reliable performance in various environmental conditions.
Product Details
S203M-B4DC
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Standards
IEC/EN 60898-2 GB 10963 IEC/EN 60947-2 GB 14048
Tripping Characteristic
B
Rated Voltage (Ur)
440 V
Rated Operational Voltage
440 V DC
Rated Insulation Voltage (Ui)
440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV
Input Voltage Type
DC
Rated Current (In)
4 A
Rated Short-Circuit Capacity
(400 V) 10 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(440 V DC) 10 kA
Rated Conditional Short-Circuit Current (Inc)
(400 V) 10 kA
Frequency (f)
0...0 Hz
Rated Frequency (f)
0-0 Hz
Energy Limiting Class
3
Number of Protected Poles
3
Number of Poles
3
Overvoltage Category
III
Release Type
B
Options Provided
DC application
Accessories Available
Yes
Connecting Capacity
Flexible 0 ... 25 mm² Rigid 0 ... 35 mm²
Ambient Temperature
-25...55 °C
Ambient Air Temperature
Operation -25...55 °C
Degree of Protection
IP20
Pollution Degree
3
Width in Number of Modular Spacings
3
Product Net Width
0.053 m
Product Net Height
0.088 m
Product Net Depth / Length
0.044 m
Product Net Weight
0.375 kg
Built-In Depth (t2)
69 mm
ETIM 8
EC000042 - Miniature circuit breaker (MCB)
ETIM 9
EC000042 - Miniature circuit breaker (MCB)
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Business
CN8
85362010
eClass
V11.0 : 27141901
Object Classification Code
F
Manufacturer ID
2TAZ112300R0045

Specifications may be subject to change without notice