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2CDS381103R0408 ABB S301P-Z8NA Miniature Circuit Breaker – 1+NP – Z – 8 A
ABB 2CDS381103R0408 S301P-Z8NA miniature circuit breaker with an 8 A rating, Type Z tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial electrical protection.
£55.50
Why Choose the ABB 2CDS381103R0408 S301P-Z8NA Miniature Circuit Breaker?
The ABB 2CDS381103R0408, also identified as the S301P-Z8NA, is a premium miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S300P series. Designed for demanding industrial and commercial installations, it provides reliable protection against overloads and short circuits while delivering exceptional performance in sensitive electrical applications.
Manufactured to international IEC and UL standards, this high-performance circuit breaker combines ABB's proven engineering with a compact modular design for straightforward DIN rail installation. Integrated trip indication, fail-safe screw terminals and compatibility with the ABB System pro M Compact accessory range simplify installation, maintenance and future expansion.
With an 8 A rated current, a Type Z tripping characteristic, a 1P+N configuration and a 25 kA breaking capacity, the ABB 2CDS381103R0408 is ideal for protecting sensitive electronic equipment, instrumentation, PLC systems and industrial automation circuits requiring rapid fault disconnection.
Key Advantages
- Industrial miniature circuit breaker for overload and short circuit protection.
- 8 A rated current for sensitive industrial and commercial circuits.
- Type Z tripping characteristic provides rapid fault protection for electronic equipment.
- 1P+N configuration disconnects both phase and neutral conductors.
- 25 kA breaking capacity for demanding industrial installations.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S300P series.
- S301P-Z8NA model.
- 8 A rated current.
- Type Z tripping characteristic.
- 1 protected pole plus switched neutral (1P+N).
- 240 V AC operating voltage.
- 25 kA rated ultimate breaking capacity.
- DIN rail mounting with integrated trip indication and fail-safe terminals.
Reliable Protection for Sensitive Electrical Circuits
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short circuit conditions occur. The Type Z tripping characteristic provides very rapid magnetic operation, making this breaker particularly suitable for sensitive electronic equipment, PLC systems, instrumentation and semiconductor devices where lower fault current thresholds require fast protection.
The ABB S300P range delivers dependable operation, high fault interruption capability and compliance with international standards, making it an excellent choice for industrial automation, machine building and commercial electrical installations.
Typical Applications
- Industrial automation systems.
- PLC and control panels.
- Sensitive electronic equipment.
- Instrumentation and measurement circuits.
- Machine building and OEM equipment.
- Commercial electrical installations.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 25 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S300P | |
| Model | 2CDS381103R0408 | |
| Extended product type | S301P-Z8NA | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 8 A | |
| Tripping characteristic | Type Z | |
| Number of poles | 1P+N | |
| Protected poles | 1 | |
| Rated voltage | 240 V AC | |
| Rated DC voltage | 72 V DC | |
| Rated insulation voltage | 500 V | |
| Rated impulse withstand voltage | 6 kV | |
| Breaking capacity (Icu) | 25 kA | |
| Service breaking capacity (Ics) | 12.5 kA | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 (IP40 when installed in a suitable enclosure) | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.248 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 2CDS381103R0408 used for?
It protects sensitive industrial and commercial electrical circuits against overloads and short circuits, particularly electronic and control equipment.
What is the rated current of this circuit breaker?
The ABB 2CDS381103R0408 has a rated current of 8 A.
What does the Type Z tripping characteristic provide?
Type Z circuit breakers provide rapid magnetic tripping at relatively low fault current levels, making them ideal for protecting sensitive electronic equipment and instrumentation.
What does the 1P+N configuration mean?
The breaker protects the phase conductor while simultaneously switching the neutral conductor to provide improved circuit isolation.
How is the breaker installed?
The device is designed for simple installation onto a standard DIN rail using secure screw terminal connections.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact S300P miniature circuit breakers are trusted worldwide by electrical engineers, OEMs and panel builders for dependable circuit protection, high interruption capacity and reliable long-term performance in demanding industrial applications.
