2CDS381103R0377 ABB S301P-K6NA Miniature Circuit Breaker – 1+NP – K – 6 A
ABB 2CDS381103R0377 System pro M Compact S300P miniature circuit breaker featuring a 6 A current rating, Type K tripping characteristic and 100 kA breaking capacity for industrial electrical protection.
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Why Choose the ABB 2CDS381103R0377 S300P Miniature Circuit Breaker?
The ABB 2CDS381103R0377 is a premium miniature circuit breaker (MCB) from the proven ABB System pro M Compact S300P series, designed to provide dependable protection against overloads and short circuits in demanding industrial and commercial electrical installations.
Built for applications requiring exceptionally high fault interruption capability, this circuit breaker delivers outstanding reliability while helping protect valuable electrical equipment. The S300P range incorporates ABB's advanced terminal technology, integrated trip indication and convenient DIN rail mounting for fast installation and maintenance.
With a 6 A current rating, Type K tripping characteristic and an impressive 100 kA breaking capacity, the ABB 2CDS381103R0377 is ideally suited for motors, transformers, control circuits and industrial power distribution systems where high inrush currents are expected.
Key Advantages
High performance miniature circuit breaker for industrial applications.
100 kA breaking capacity offers exceptional short circuit protection.
Type K tripping characteristic ideal for inductive loads and motor protection.
Integrated trip indicator provides clear fault status indication.
Quick DIN rail installation with dual release mechanism.
Compatible with the ABB System pro M Compact accessory range.
Key Features
ABB System pro M Compact S300P series.
6 A rated current.
Type K tripping characteristic.
100 kA short circuit breaking capacity.
Single pole configuration.
240 V AC and 72 V DC rated operating voltage.
DIN rail mounting with screw terminals.
Front-mounted trip indicator and integrated QR code.
Reliable Circuit Protection for Industrial Installations
Miniature circuit breakers protect electrical circuits by automatically disconnecting the supply whenever overloads or short circuits occur. The Type K characteristic provides increased tolerance for temporary inrush currents, making it particularly suitable for motors, transformers and other inductive loads without unnecessary nuisance tripping.
ABB's S300P series is engineered for demanding industrial environments where dependable operation and high fault interruption capability are essential. Its robust construction and worldwide approvals make it a trusted solution for modern electrical installations.
Typical Applications
Industrial motor circuits.
Control panels and switchboards.
Transformer protection.
Machine building and OEM equipment.
Industrial automation systems.
Commercial power distribution.
Technical Specifications
Current
6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M Compact S300P
Model
2CDS381103R0377
Product type
Miniature circuit breaker (MCB)
Current rating
6 A
Tripping characteristic
Type K
Number of poles
1
Rated AC voltage
240 V AC
Rated DC voltage
72 V DC
Breaking capacity
100 kA
Frequency
50 / 60 Hz
Mounting type
DIN rail
Terminal type
Screw terminals
Protection rating
IP20 (IP40 when installed within an enclosure)
Dimensions (H × W × D)
approx. 88 × 35 × 69 mm
Weight
approx. 0.25 kg
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB 2CDS381103R0377 used for?
It protects electrical circuits against overloads and short circuits, particularly where motors and inductive loads are installed.
What is the current rating of this circuit breaker?
The ABB 2CDS381103R0377 has a 6 A current rating.
What is the benefit of a Type K tripping characteristic?
Type K breakers are designed to accommodate higher inrush currents, making them ideal for protecting motors, transformers and inductive equipment.
How is the circuit breaker installed?
The device is designed for quick installation onto a standard DIN rail using secure screw terminal connections.
What breaking capacity does this MCB provide?
The breaker delivers an exceptionally high 100 kA breaking capacity for demanding industrial applications.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact S300P miniature circuit breakers are trusted by electrical engineers, OEMs and panel builders worldwide for delivering dependable protection, exceptional fault interruption capability and long-term reliability in industrial power systems.
Current
6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M Compact S300P
Model
2CDS381103R0377
Product type
Miniature circuit breaker (MCB)
Current rating
6 A
Tripping characteristic
Type K
Number of poles
1
Rated AC voltage
240 V AC
Rated DC voltage
72 V DC
Breaking capacity
100 kA
Frequency
50 / 60 Hz
Mounting type
DIN rail
Terminal type
Screw terminals
Protection rating
IP20 (IP40 when installed within an enclosure)
Dimensions (H × W × D)
approx. 88 × 35 × 69 mm
Weight
approx. 0.25 kg
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
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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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...