Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2CCS572001R1254 ABB S402M-UCC25 MCB AC/DC 2P Type C 25A
ABB S402M-UCC25 is a 25 A UC-C Type C 2-pole AC/DC miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for reliable overload and short-circuit protection in SMISSLINE TP plug-in systems.
£104.40
Why Choose the ABB S402M-UCC25 AC/DC Miniature Circuit Breaker?
The ABB S402M-UCC25 is a 2-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in AC and DC electrical systems. Part of the ABB S400M-UC range for the SMISSLINE TP plug-in system, it combines a 25 A rated current, UC-C / Type C characteristic and 10 kA short-circuit breaking capacity.
The S402M-UCC25 uses thermal and electromagnetic tripping principles to protect cables and connected circuits against sustained overloads and short-circuit faults. Its Type C characteristic accommodates moderate starting and inrush currents, making it suitable for appropriately designed industrial, commercial, control and auxiliary circuits.
Designed for flexible AC and DC applications, the S402M-UCC25 can be used in two-pole DC circuits up to 440 V DC when connected in accordance with ABB's specified connection arrangement. Its 400 V AC rating, IP20 protection and compact 36 × 91 × 75 mm construction make it a versatile protective device for compatible SMISSLINE TP distribution systems.
Key Advantages
- 25 A rated current for dependable protection of appropriately rated circuits.
- 2-pole configuration for coordinated AC and DC circuit protection.
- UC-C / Type C characteristic suited to circuits with moderate starting or inrush currents.
- 10 kA short-circuit breaking capacity for robust fault protection.
- Supports two-pole DC applications up to 440 V DC when connected according to ABB requirements.
- Purpose-designed for the ABB SMISSLINE TP plug-in system.
Key Features
- ABB S400M-UC series miniature circuit breaker.
- 25 A nominal current rating.
- UC-C / Type C tripping characteristic.
- 2 protected poles.
- Suitable for AC and DC applications.
- 400 V AC rated voltage.
- Two-pole DC operation up to 440 V DC.
- 10 kA short-circuit breaking capacity.
- 4 kV rated impulse withstand voltage.
- IP20 degree of protection.
- 10,000-cycle electrical endurance.
- SMISSLINE TP plug-in mounting for compatible distribution systems.
Reliable Protection for AC and DC Circuits
The ABB S402M-UCC25 protects electrical circuits against excessive current caused by overloads and short circuits. Its thermal release responds to sustained overload conditions, while the electromagnetic release provides rapid interruption during short-circuit faults, helping protect cables, equipment and downstream circuitry.
The S400M-UC platform extends ABB's SMISSLINE TP system with flexible protection for both AC and DC applications. With its 25 A Type C characteristic, 10 kA breaking capacity and two-pole DC capability up to 440 V DC, the S402M-UCC25 provides a versatile solution for industrial control, auxiliary and power-distribution circuits.
Typical Applications
- ABB SMISSLINE TP electrical distribution systems.
- Industrial AC and DC control circuits.
- Automation and machine-control systems.
- DC auxiliary power distribution.
- Commercial and industrial switchboards.
- Equipment circuits requiring 25 A Type C overcurrent protection.
Technical Specifications
| Series | S400M-UC / SMISSLINE TP |
|---|---|
| ABB order code | 2CCS572001R1254 |
| EAN | 7612270110032 |
| Product type | AC/DC miniature circuit breaker (MCB) |
| Number of poles | 2 |
| Number of protected poles | 2 |
| Rated current | 25 A |
| Tripping characteristic | UC-C / Type C |
| Rated AC voltage | 400 V AC |
| Maximum two-pole DC voltage | 440 V DC |
| Rated short-circuit breaking capacity | 10 kA |
| Ultimate short-circuit breaking capacity (Icu) at 230 V AC | 25 kA |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC | 10 kA |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Energy limiting class | 3 |
| Protection rating | IP20 |
| Electrical endurance | 10,000 cycles |
| Power loss | 5.4 W |
| Conductor connection range | 0.75–35 mm² |
| Mounting type | SMISSLINE TP plug-in |
| Width | 2 modules / 36 mm |
| Height | 91 mm |
| Depth | 75 mm |
| Net weight | approx. 221 g |
| Operating temperature | −25 to +60 °C |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S402M-UCC25 used for?
The ABB S402M-UCC25 is a 2-pole miniature circuit breaker designed to provide overload and short-circuit protection for appropriately rated AC and DC circuits within compatible ABB SMISSLINE TP systems.
What is the current rating of the S402M-UCC25?
The S402M-UCC25 has a rated current of 25 A.
What does the UC-C / Type C characteristic mean?
The UC-C / Type C characteristic accommodates moderate starting and inrush currents, making the breaker suitable for appropriately designed industrial, commercial, automation and control circuits.
Can the ABB S402M-UCC25 be used on DC circuits?
Yes. The S402M-UCC25 belongs to ABB's S400M-UC range and supports two-pole applications up to 440 V DC when connected according to ABB's specified DC connection arrangement.
What is the breaking capacity of the S402M-UCC25?
The S402M-UCC25 has a 10 kA rated short-circuit breaking capacity, with an ultimate short-circuit breaking capacity of 25 kA at 230 V AC and 10 kA at 400 V AC.
Trusted ABB AC/DC Circuit Protection
ABB S400M-UC protective devices combine flexible AC/DC circuit protection, robust short-circuit performance and SMISSLINE TP plug-in technology for dependable industrial and commercial electrical distribution.
