2CDS381001R0558 ABB S301P-Z40 Miniature Circuit Breaker – 1P – Z – 40 A
ABB 2CDS381001R0558 System pro M Compact S301P miniature circuit breaker featuring a 40 A rating, Type Z tripping characteristic and 25 kA breaking capacity for reliable electrical circuit protection.
Price
List Priceex VAT
Your Price
On backorderEstimated Delivery 14 weeks
Get the best trade pricesTrade exclusive
Create a trade account to unlock exclusive pricing, special offers and more.
Why Choose the ABB 2CDS381001R0558 Miniature Circuit Breaker?
The ABB 2CDS381001R0558 is a premium miniature circuit breaker (MCB) from the renowned ABB System pro M Compact S301P series. Designed to provide reliable protection against overloads and short circuits, it is ideal for protecting sensitive electrical and electronic circuits in commercial, industrial and specialist installations.
Engineered for exceptional reliability, this single-pole circuit breaker features a Type Z tripping characteristic, making it particularly suitable for circuits with very low inrush currents. Its compact DIN rail mounting design enables quick installation whilst maintaining compatibility with ABB's comprehensive range of accessories for modern electrical distribution systems.
With a 40 A rated current and an impressive 25 kA breaking capacity, the ABB 2CDS381001R0558 delivers dependable circuit protection in demanding environments where high fault interruption capability and accurate tripping performance are required.
Key Advantages
Compact miniature circuit breaker for industrial and commercial protection.
40 A current rating for demanding electrical applications.
Type Z tripping characteristic for highly sensitive circuit protection.
25 kA breaking capacity for enhanced fault protection.
Quick and secure DIN rail installation.
Compatible with ABB System pro M Compact accessories.
Key Features
ABB System pro M Compact S301P series.
Single-pole miniature circuit breaker.
40 A rated current.
Type Z tripping characteristic.
415 V AC / 125 V DC rated voltage.
25 kA rated breaking capacity.
Reliable thermal and magnetic trip mechanism.
Compact DIN rail mounted construction.
Reliable Protection for Sensitive Electrical Circuits
The ABB S301P-Z series protects electrical installations by disconnecting the circuit automatically during overload or short circuit conditions. Its highly sensitive Type Z tripping characteristic makes it particularly suitable for protecting electronic equipment, semiconductor devices and circuits with low inrush currents.
Manufactured to ABB's rigorous quality standards, the S301P range combines excellent fault interruption capability with long service life, helping minimise downtime whilst improving the safety and reliability of electrical installations.
Typical Applications
Electronic equipment protection.
Industrial control panels.
PLC and automation systems.
Instrumentation circuits.
Commercial electrical distribution boards.
OEM machinery and specialist control systems.
Technical Specifications
Current
40 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M Compact S301P
Model
2CDS381001R0558
Product type
Miniature Circuit Breaker (MCB)
Number of poles
1
Rated current
40 A
Tripping characteristic
Type Z
Rated AC voltage
415 V AC
Rated DC voltage
125 V DC
Breaking capacity
25 kA
Mounting type
DIN rail
Protection rating
IP20 (IP40 when installed in an enclosure)
Dimensions (H × W × D)
88 × 17.5 × 69 mm
Weight
Approx. 0.124 kg
Standards
IEC/EN 60947-2, IEC/EN 60898-1, UL 1077
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB 2CDS381001R0558 used for?
It provides overload and short circuit protection for sensitive electrical and electronic circuits in industrial and commercial installations.
What is the current rating of this MCB?
The ABB 2CDS381001R0558 has a 40 A rated current.
What is a Type Z tripping characteristic?
Type Z miniature circuit breakers are designed for highly sensitive electrical and electronic circuits where very fast tripping is required at relatively low fault currents.
How is this circuit breaker installed?
The device is designed for straightforward installation onto a standard 35 mm DIN rail.
What is the breaking capacity of this MCB?
The ABB 2CDS381001R0558 offers a high 25 kA breaking capacity for dependable protection in demanding installations.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and industrial engineers for their outstanding safety, reliability and long-term performance.
Current
40 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M Compact S301P
Model
2CDS381001R0558
Product type
Miniature Circuit Breaker (MCB)
Number of poles
1
Rated current
40 A
Tripping characteristic
Type Z
Rated AC voltage
415 V AC
Rated DC voltage
125 V DC
Breaking capacity
25 kA
Mounting type
DIN rail
Protection rating
IP20 (IP40 when installed in an enclosure)
Dimensions (H × W × D)
88 × 17.5 × 69 mm
Weight
Approx. 0.124 kg
Standards
IEC/EN 60947-2, IEC/EN 60898-1, UL 1077
HS Code
85362010
Country of Manufacture
Germany
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...