2CDS382001R0558 ABB S302P-Z40 Miniature Circuit Breaker – 2P – Z – 40 A
ABB S302P-Z40 2 pole 40 A miniature circuit breaker with Z tripping characteristic for overload and short circuit protection in industrial electrical installations.
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Why Choose the ABB S302P-Z40 Miniature Circuit Breaker?
The ABB S302P-Z40 (Product ID: 2CDS382001R0558) is a high-performance 2-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial electrical installations. Part of the trusted ABB S300P series, this MCB is manufactured to meet international IEC and UL standards, making it an excellent choice for demanding commercial and industrial applications.
Engineered for reliability and safety, the S302P-Z40 incorporates ABB's proven protection technology, ensuring fast fault detection while maintaining system continuity. Its compact DIN rail mounted design allows quick installation in distribution boards and control panels, while the patented connection terminal provides secure wiring and simplified maintenance.
With a 40 A rated current, Z tripping characteristic and 2-pole configuration, this circuit breaker is ideal for protecting sensitive electrical equipment, control circuits and specialised industrial loads that require rapid magnetic tripping.
Key Advantages
Reliable protection against overloads and short circuits.
40 A rated current suitable for industrial electrical systems.
2-pole design for phase and neutral protection.
Z characteristic provides rapid response for sensitive circuits.
Patented ABB connection terminals for secure installation.
Suitable for DIN rail mounting within distribution boards and control panels.
Key Features
ABB S300P series.
2-pole miniature circuit breaker.
40 A rated current.
Z tripping characteristic.
Protection against overload and short circuit faults.
Complies with IEC and UL standards.
DIN rail mounted installation.
Front fault indication for quick diagnostics.
Reliable Protection for Industrial Electrical Systems
Miniature circuit breakers automatically disconnect electrical circuits whenever overloads or short circuits occur, helping protect cables, equipment and personnel. The ABB S300P range is designed to deliver dependable performance under demanding industrial operating conditions while reducing downtime caused by electrical faults.
The Z tripping characteristic offers extremely fast magnetic tripping, making this breaker particularly suitable for protecting sensitive electronic equipment, instrumentation and specialised control circuits where rapid fault clearance is essential.
Typical Applications
Industrial control panels.
Machine building and OEM equipment.
Sensitive electronic circuits.
Automation systems.
Process control installations.
Commercial electrical distribution.
Technical Specifications
Current
40 A
Manufacturer
ABB
Series
S300P
Model
S302P-Z40
Product ID
2CDS382001R0558
Product type
Miniature Circuit Breaker (MCB)
Rated current
40 A
Number of poles
2
Trip characteristic
Z
Protection
Overload and short circuit
Mounting type
DIN rail
Application
Industrial electrical installations
Standards
IEC, UL
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB S302P-Z40 used for?
It provides overload and short circuit protection for industrial electrical circuits, machinery and sensitive control systems.
What is the rated current of this circuit breaker?
The ABB S302P-Z40 has a 40 A rated current.
What does the Z tripping characteristic mean?
The Z characteristic provides very fast magnetic tripping, making it suitable for protecting sensitive electronic equipment and low inrush current circuits.
How is the breaker installed?
The device is designed for quick and secure installation onto a standard DIN rail inside distribution boards and electrical control panels.
Where is the S302P-Z40 typically used?
It is commonly installed in industrial automation systems, machine control panels, commercial buildings and specialised electrical installations.
Trusted by Electrical Professionals Worldwide
ABB S300P miniature circuit breakers are trusted by electrical engineers, panel builders and industrial maintenance professionals for delivering reliable circuit protection, high quality construction and long service life in demanding applications.
Current
40 A
Manufacturer
ABB
Series
S300P
Model
S302P-Z40
Product ID
2CDS382001R0558
Product type
Miniature Circuit Breaker (MCB)
Rated current
40 A
Number of poles
2
Trip characteristic
Z
Protection
Overload and short circuit
Mounting type
DIN rail
Application
Industrial electrical installations
Standards
IEC, UL
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.
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Same day dispatches
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Customers supported
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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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...