The ABB S202UDC-Z4 is a compact, high-performance miniature circuit breaker designed for DC applications, ensuring reliable and efficient protection in UL489-compliant systems.
Product ModelS202UDC-Z4
Material Number2CDS272517R0338
Product ID78386
Stock on Request
Last updated: 8/29/2026
Key Features
1
1. Compact DesignThe S202UDC-Z4 features a compact design, making it ideal for space-constrained applications without compromising on performance.
2
2. High-Performance ProtectionThis miniature circuit breaker offers advanced protection mechanisms, including electromechanical and thermal magnetic trips, ensuring maximum safety and reliability.
3
3. UL489 ComplianceDesigned to meet UL489 standards, the S202UDC-Z4 provides reliable protection for DC circuits, ensuring compliance with industry regulations.
4
4. Easy InstallationWith DIN rail mounting and screw connections, the S202UDC-Z4 is easy to install and integrate into your existing electrical systems.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Standards
UL 489
Tripping Characteristic
Z
Rated Operational Voltage
125 V DC acc. to IEC 60898-1 250 V acc. to IEC 60947-2 125 V
Rated Insulation Voltage (Ui)
440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Primary Rated Impulse Withstand Voltage
4 kV
5. Versatile ApplicationsSuitable for a wide range of DC applications, including control circuits and semiconductors, this circuit breaker offers versatile protection options.
