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2CCS571001R1404 ABB S401M-UCC40 MCB DC 1P Type C 40 A
ABB S401M-UCC40 is a 40 A single-pole Type C miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for overload and short-circuit protection in DC and AC SMISSLINE TP electrical systems.
£52.70
Why Choose the ABB S401M-UCC40 Miniature Circuit Breaker?
The ABB S401M-UCC40 is a compact single-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit currents in both DC and AC applications. As part of the ABB SMISSLINE TP S400M UC series, it combines dependable circuit protection with the installation flexibility of ABB's pluggable SMISSLINE TP distribution system.
The S400M UC range extends ABB's established SMISSLINE TP platform with miniature circuit breakers engineered for both direct-current and alternating-current applications. The S401M-UCC40 supports single-pole DC applications up to 220 V DC and integrates directly with compatible SMISSLINE TP socket-base assemblies, supporting efficient installation, replacement and system expansion.
With a rated current of 40 A, a Type C / UC-C tripping characteristic and a 10 kA short-circuit breaking capacity, the S401M-UCC40 is suitable for distribution, control and equipment circuits with moderate starting or inrush currents. It complies with IEC/EN 60947-2 and carries ABB order code 2CCS571001R1404.
Key Advantages
- Designed for flexible DC and AC circuit protection within the ABB SMISSLINE TP system.
- 40 A rated current for distribution, equipment and higher-current control circuits.
- Type C / UC-C tripping characteristic suitable for circuits with moderate starting or inrush currents.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Single-pole configuration suitable for DC applications up to 220 V DC.
- Pluggable construction developed specifically for the ABB SMISSLINE TP system.
Key Features
- ABB SMISSLINE TP S400M UC series.
- 40 A rated current.
- Single-pole (1P) configuration.
- Type C / UC-C trip characteristic.
- 10 kA short-circuit breaking capacity.
- Suitable for DC and AC applications.
- 220 V DC maximum single-pole application voltage.
- 440 V rated insulation voltage.
- IP20 degree of protection.
- Compact 18 mm single-module construction.
Reliable DC Circuit Protection for SMISSLINE TP Systems
The ABB S400M UC range extends the SMISSLINE TP miniature circuit-breaker platform to both DC and AC applications. The S401M-UCC40 combines thermal overload protection with rapid short-circuit protection in a compact single-pole format, helping protect conductors and connected equipment against potentially damaging overcurrent conditions.
Its Type C / UC-C characteristic is suitable for circuits with moderate starting or inrush currents, making the S401M-UCC40 a practical choice for industrial equipment, control systems and DC distribution circuits. Combined with ABB's SMISSLINE TP plug-in architecture, it provides flexible circuit protection for installations where efficient maintenance and straightforward system expansion are important.
Typical Applications
- Industrial DC distribution circuits.
- Control and auxiliary power circuits.
- Industrial automation and machinery systems.
- ABB SMISSLINE TP distribution assemblies.
- Commercial and industrial electrical distribution.
- Circuits with moderate starting or inrush currents.
Technical Specifications
| Series | SMISSLINE TP S400M UC |
|---|---|
| ABB order code | 2CCS571001R1404 |
| EAN | 7612270109883 |
| Product type | Miniature circuit breaker (MCB) |
| Application | DC and AC circuit protection |
| Rated current | 40 A |
| Number of poles | 1P |
| Tripping characteristic | Type C / UC-C |
| Short-circuit breaking capacity | 10 kA |
| Maximum DC voltage, single-pole application | 220 V DC |
| Rated insulation voltage (Ui) | 440 V |
| Frequency | 50–60 Hz |
| Energy limiting class | 3 |
| Protection rating | IP20 |
| Electrical endurance | 10,000 cycles |
| Rigid conductor capacity | 0.75–35 mm² |
| Flexible conductor capacity | 0.75–25 mm² |
| Operating temperature | -25 to +60 °C |
| Mounting type | Plug-in SMISSLINE TP system |
| Standard | IEC/EN 60947-2 |
| Module width | 1 module / 18 mm |
| Dimensions (W × H × D) | 18 × 91 × 75 mm |
| Weight | approx. 110 g |
Frequently Asked Questions
What is the ABB S401M-UCC40 used for?
The ABB S401M-UCC40 provides overload and short-circuit protection for DC and AC circuits, including distribution, equipment, control and automation applications within compatible ABB SMISSLINE TP systems.
What is the current rating of the S401M-UCC40?
The ABB S401M-UCC40 has a rated current of 40 A.
What does the Type C / UC-C characteristic mean?
The Type C / UC-C tripping characteristic is suitable for circuits with moderate starting or inrush currents, making it appropriate for many industrial equipment, control and distribution loads.
Can the ABB S401M-UCC40 be used on DC circuits?
Yes. The S401M-UCC40 belongs to ABB's S400M UC range for DC and AC applications and is suitable for single-pole DC applications up to 220 V DC.
How is the S401M-UCC40 installed?
The breaker is designed as a pluggable device for the ABB SMISSLINE TP system, allowing direct integration into compatible SMISSLINE socket-base distribution assemblies.
Trusted ABB Circuit Protection
ABB SMISSLINE TP S400M UC miniature circuit breakers combine flexible DC and AC circuit protection with a compact plug-in architecture for commercial, industrial and automation electrical systems.
