ABB SmiSSline, S400, FS401 S400M Miniature Circuit Breaker, 3-Pole, 25A, Type K, Type D, Type C, Type B, 400V ac AC, 250
- RS Stock No.:
- 176-324
- Mfr. Part No.:
- 2CCS573001R0255 S403M-B25
- Brand:
- ABB
Subtotal (1 unit)*
£98.84
(exc. VAT)
£118.61
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 18 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £98.84 |
*price indicative
- RS Stock No.:
- 176-324
- Mfr. Part No.:
- 2CCS573001R0255 S403M-B25
- Brand:
- ABB
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | ABB | |
| Number of Poles | 3 | |
| Product Type | Miniature Circuit Breaker | |
| Current Rating | 25A | |
| Tripping Characteristics | Type K, Type D, Type C, Type B | |
| Rated AC Voltage | 400V ac | |
| Rated DC Voltage | 250V dc | |
| Mount Type | DIN Rail | |
| Breaking Capacity | 10kA | |
| Range | SmiSSline, S400, FS401 | |
| Series | S400M | |
| Width | 54mm | |
| Standards/Approvals | IEC/EN 60947-2, EN 60898-1 | |
| Depth | 75mm | |
| Reset Actuator Type | Toggle Switch | |
| Select all | ||
|---|---|---|
Brand ABB | ||
Number of Poles 3 | ||
Product Type Miniature Circuit Breaker | ||
Current Rating 25A | ||
Tripping Characteristics Type K, Type D, Type C, Type B | ||
Rated AC Voltage 400V ac | ||
Rated DC Voltage 250V dc | ||
Mount Type DIN Rail | ||
Breaking Capacity 10kA | ||
Range SmiSSline, S400, FS401 | ||
Series S400M | ||
Width 54mm | ||
Standards/Approvals IEC/EN 60947-2, EN 60898-1 | ||
Depth 75mm | ||
Reset Actuator Type Toggle Switch | ||
- COO (Country of Origin):
- CH
ABB S400M Series MCB, 3 Poles, 25A Current Rating - S403M-B25
This miniature circuit breaker (MCB) is designed for effective electrical protection in commercial and industrial environments. With dimensions of 54mm in width, 91mm in length, and a depth of 75mm, this 3-pole MCB ensures safety against overloads and short circuits.
Features & Benefits
• Delayed thermal tripping mechanism for overload protection
• Electromechanical tripping for consistent short-circuit response
• High breaking capacity of 10kA for enhanced safety
• DIN Rail mount for quick and easy installation
Applications
• Applied in small industrial control panels to protect circuits for equipment such as pumps and fans
• Employed in commercial distribution boards to provide reliable circuit protection for various electrical applications
What type of circuits is the B-type tripping characteristic suitable for?
The B-type characteristic is ideal for circuits with moderate inrush currents, reducing the chance of nuisance tripping
Is it appropriate for harsh environments?
It operates effectively in temperatures from -25°C to 60°C.
Does it comply with international standards?
Yes, it conforms to IEC/EN 60898-1 and IEC/EN 60947-2.
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