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2CDS383001R0404 ABB S303P-C40 Miniature Circuit Breaker – 3P – C – 40 A
ABB S303P-Z10 miniature circuit breaker featuring a 3-pole design, 10 A current rating and Type Z tripping characteristic for industrial overload and short-circuit protection.
£86.26
Why Choose the ABB S303P-Z10 Miniature Circuit Breaker?
The ABB S303P-Z10 (2CDS383001R0404) is a high-performance three-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the proven ABB S300P series, it delivers exceptional reliability, high breaking capacity and long service life for demanding applications.
Manufactured to recognised IEC and UL standards, the S303P-Z10 combines robust construction with a compact DIN rail design for straightforward installation in distribution boards, switchgear and industrial control panels. Its Type Z tripping characteristic provides rapid operation for the protection of sensitive electrical and electronic equipment.
With a 10 A current rating, a Type Z tripping characteristic and an ultimate short-circuit breaking capacity of up to 100 kA, the S303P-Z10 is ideal for protecting instrumentation, PLCs, electronic control systems and other sensitive circuits where fast fault clearance is essential.
Key Advantages
- Industrial-grade three-pole miniature circuit breaker.
- 10 A rated current with Type Z tripping characteristics.
- Rapid protection for sensitive electrical and electronic equipment.
- 100 kA ultimate breaking capacity for demanding installations.
- DIN rail mounting for quick installation.
- Manufactured to international IEC and UL standards.
Key Features
- ABB S300P series.
- 3-pole configuration.
- 10 A rated current.
- Type Z tripping characteristic.
- 415 V AC rated operating voltage.
- 25 kA rated breaking capacity.
- 100 kA ultimate short-circuit breaking capacity.
- Red ON / green OFF contact position indicator.
- Failsafe bi-directional screw terminals.
- DIN rail mounting with top or bottom supply connection.
Reliable Protection for Sensitive Industrial Circuits
The ABB S303P-Z10 miniature circuit breaker automatically disconnects electrical circuits during overload and short-circuit conditions, helping to protect sensitive equipment, minimise downtime and improve the overall safety and reliability of industrial electrical systems.
Its Type Z tripping characteristic provides rapid disconnection at relatively low fault currents, making it particularly suitable for electronic equipment, instrumentation, semiconductor devices and automation control circuits.
Typical Applications
- Industrial automation systems.
- PLC and control panels.
- Instrumentation circuits.
- Sensitive electronic equipment.
- Machine building and OEM equipment.
- Industrial power distribution systems.
Technical Specifications
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| Trip Curve | C curve | |
|---|---|---|
| Breaking Capacity | 25 kA | |
| Current | 40 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Model | S303P-C40 | |
| Manufacturer | ABB | |
| Series | S300P | |
| Product ID | 2CDS383001R0404 | |
| Product type | Miniature circuit breaker (MCB) | |
| Current rating | 10 A | |
| Number of poles | 3 | |
| Tripping characteristic | Type Z | |
| Rated operating voltage | 415 V AC | |
| Rated breaking capacity | 25 kA | |
| Ultimate short-circuit breaking capacity (Icu) | 100 kA at 400 to 440 V AC | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.37 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S303P-Z10 used for?
The S303P-Z10 provides reliable overload and short-circuit protection for sensitive industrial electrical and electronic circuits.
What is the current rating of this circuit breaker?
This miniature circuit breaker has a 10 A rated current.
What does the Type Z tripping characteristic mean?
Type Z circuit breakers trip rapidly at relatively low fault currents, making them suitable for protecting sensitive electronic and control equipment.
How is the breaker installed?
The ABB S303P-Z10 is designed for installation on a standard DIN rail inside electrical control panels and distribution boards.
Where is this miniature circuit breaker typically installed?
It is commonly installed in industrial automation systems, electronic control panels, instrumentation circuits and electrical distribution equipment.
Trusted by Industrial Professionals Worldwide
ABB S300P miniature circuit breakers are trusted by electrical engineers, OEM manufacturers and panel builders for delivering dependable circuit protection, high breaking performance and long-term reliability in demanding industrial applications.
