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2CCS572001R0401 ABB S402M-D40 MCB 10kA 2P Type D 40A
ABB S402M-D40 is a 40 A Type D 2-pole miniature circuit breaker with 10 kA breaking capacity, designed for reliable overload and short-circuit protection in SMISSLINE TP plug-in electrical distribution systems.
£80.84
Why Choose the ABB S402M-D40 Miniature Circuit Breaker?
The ABB S402M-D40 is a high-performance 2-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in electrical distribution systems. Part of the ABB S400M range for the SMISSLINE TP plug-in system, it combines a 40 A rated current, Type D tripping characteristic and 10 kA rated short-circuit breaking capacity.
The S402M-D40 uses thermal and electromagnetic tripping mechanisms to protect circuits against sustained overloads and short-circuit faults. Its Type D characteristic is designed for circuits where relatively high starting or inrush currents can occur, making it suitable for appropriate inductive and industrial loads while maintaining dependable overcurrent protection.
With two protected poles and a rated operational voltage range of 240–415 V AC to IEC 60898-1, the S402M-D40 is designed for integration into compatible SMISSLINE TP distribution systems. Its compact 36 mm width, plug-in format and robust electrical ratings make it suitable for industrial, commercial and machine-building installations.
Key Advantages
- 40 A rated current for protection of compatible electrical circuits.
- 2-pole configuration with both poles protected.
- Type D tripping characteristic suited to circuits with relatively high starting and inrush currents.
- 10 kA rated short-circuit breaking capacity to IEC/EN 60898-1.
- Purpose-designed for the ABB SMISSLINE TP plug-in system.
- Thermal and electromagnetic tripping provides overload and short-circuit protection.
Key Features
- ABB S400M series miniature circuit breaker.
- 40 A nominal current rating.
- Type D tripping characteristic.
- 2 protected poles.
- 230/400 V AC rated voltage.
- 10 kA rated short-circuit breaking capacity.
- 440 V rated insulation voltage.
- 4 kV rated impulse withstand voltage.
- IP20 protection rating.
- SMISSLINE plug-in mounting for compatible distribution systems.
- Compact two-module construction.
Reliable Protection for High-Inrush Electrical Loads
Miniature circuit breakers such as the ABB S402M-D40 protect electrical circuits against excessive current caused by overloads and short circuits. The thermal release responds to sustained overload conditions, while the electromagnetic release provides rapid disconnection when a high short-circuit current occurs.
The Type D characteristic accommodates comparatively high starting currents, making the S402M-D40 suitable for appropriate circuits supplying motors, transformers and other inductive equipment. Combined with ABB SMISSLINE plug-in technology, it provides dependable circuit protection with efficient integration into modular electrical distribution systems.
Typical Applications
- ABB SMISSLINE TP electrical distribution systems.
- Industrial control panels and switchboards.
- Circuits supplying motors and inductive equipment.
- Transformer and machinery circuits with relatively high inrush currents.
- Commercial and industrial electrical distribution.
- Machine-building and automation power distribution systems.
Technical Specifications
| Series | S400M / SMISSLINE TP |
|---|---|
| ABB order code | 2CCS572001R0401 |
| EAN | 7612270102341 |
| Product type | Miniature circuit breaker (MCB) |
| Number of poles | 2 |
| Number of protected poles | 2 |
| Rated current | 40 A |
| Tripping characteristic | Type D |
| Rated voltage | 230/400 V AC |
| Rated operational voltage | 240–415 V AC |
| Rated short-circuit breaking capacity (Icn) | 10 kA |
| Frequency | 50–60 Hz |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Power loss | 8.4 W |
| Mounting type | SMISSLINE plug-in |
| Width | 2 modules / 36 mm |
| Dimensions (W × H × D) | 36 × 91 × 75 mm |
| Weight | approx. 221 g |
| Operating temperature | −25 to +60 °C |
| Connectable stranded conductor | 0.75–25 mm² |
| Connectable solid conductor | 0.75–35 mm² |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S402M-D40 used for?
The ABB S402M-D40 is a 2-pole miniature circuit breaker designed to protect electrical circuits against overload and short-circuit currents in compatible ABB SMISSLINE TP distribution systems.
What is the current rating of the S402M-D40?
The S402M-D40 has a rated current of 40 A.
What does the Type D characteristic mean?
The Type D tripping characteristic accommodates comparatively high starting and inrush currents, making it suitable for appropriate inductive loads such as motors and transformers.
What is the breaking capacity of the ABB S402M-D40?
The S402M-D40 has a rated short-circuit breaking capacity of 10 kA to IEC/EN 60898-1.
How is the S402M-D40 installed?
The circuit breaker is designed for plug-in installation in compatible ABB SMISSLINE TP systems, allowing efficient integration into modular electrical distribution assemblies.
Trusted ABB Circuit Protection
ABB SMISSLINE protective devices combine modular plug-in distribution technology with dependable overload and short-circuit protection for industrial, commercial and machine-building electrical systems.
