2CDS381001R0065 ABB S301P-B6 Miniature Circuit Breaker – 1P – B – 6 A
ABB S301P-B6 miniature circuit breaker with 6 A current rating, B curve tripping characteristic, 25 kA breaking capacity and DIN rail mounting for industrial electrical protection.
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Why Choose the ABB S301P-B6 Miniature Circuit Breaker?
The ABB 2CDS381001R0065, also known as the S301P-B6, is a premium single-pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the ABB System pro M compact S300P series, it combines exceptional fault interruption performance with a compact DIN rail mounted design suitable for demanding applications.
The S301P-B6 features a B tripping characteristic, making it ideal for protecting resistive loads and circuits with low inrush currents such as lighting, heating systems and general power distribution. Its patented fail-safe terminals, integrated trip indicator and robust construction simplify installation while ensuring dependable long-term operation.
With a 6 A current rating, 25 kA AC breaking capacity and compliance with IEC, EN, UL and CSA standards, the ABB S301P-B6 provides reliable circuit protection for industrial switchboards, OEM machinery, commercial installations and automation systems.
Key Advantages
Industrial-grade miniature circuit breaker.
6 A rated current for low-current electrical circuits.
25 kA AC breaking capacity for demanding installations.
B curve tripping characteristic ideal for resistive loads.
Compact DIN rail mounting for distribution boards.
Compatible with the ABB System pro M compact accessory range.
Key Features
ABB System pro M compact S300P series.
Model S301P-B6.
6 A rated current.
Single-pole (1P) protection.
B tripping characteristic.
25 kA rated AC breaking capacity.
Integrated trip position indicator.
Fail-safe screw terminal design.
35 mm DIN rail mounting.
Compatible with ABB auxiliary contacts and accessories.
Reliable Protection for Industrial Electrical Systems
Miniature circuit breakers automatically disconnect electrical circuits when overload or short-circuit conditions occur, protecting cables, equipment and connected loads from damage. The ABB S300P range has been engineered for industrial applications where high breaking capacities and dependable long-term performance are essential.
The S301P-B6 combines robust electrical performance, compact dimensions and straightforward installation, making it an ideal solution for panel builders, OEM manufacturers and maintenance engineers requiring reliable protection and compliance with international standards.
Typical Applications
Industrial control panels.
Commercial distribution boards.
Lighting circuits.
General power distribution.
OEM machinery.
Automation and process control systems.
Technical Specifications
Current
6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S300P
Model
S301P-B6
SKU
2CDS381001R0065
Product type
Miniature circuit breaker (MCB)
Rated current
6 A
Number of poles
1
Protected poles
1
Tripping characteristic
B
Rated operational voltage
240 / 415 V AC
Rated DC voltage
125 V DC
Frequency
50 / 60 Hz
Rated breaking capacity
25 kA
Rated insulation voltage
500 V
Rated impulse withstand voltage
6 kV
Protection rating
IP20 (IP40 when installed in an enclosure)
Mounting type
35 mm DIN rail
Terminal capacity
0.75 to 35 mm² rigid, 0.75 to 25 mm² flexible
Electrical endurance
20,000 operating cycles
Mechanical endurance
20,000 operating cycles
Dimensions (H × W × D)
88 × 17.5 × 69 mm
Weight
approx. 0.124 kg
EAN
4016779080583
Country of origin
Germany
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB S301P-B6 used for?
The ABB S301P-B6 protects electrical circuits against overloads and short circuits in industrial and commercial installations.
What is the current rating of this MCB?
The ABB 2CDS381001R0065 has a 6 A rated current.
What tripping characteristic does this breaker have?
This model features a B curve, making it ideal for protecting resistive loads and circuits with low inrush currents.
How is the breaker installed?
The S301P-B6 mounts directly onto a standard 35 mm DIN rail inside distribution boards and control panels.
Is the breaker compatible with ABB accessories?
Yes. The S301P-B6 is fully compatible with the ABB System pro M compact accessory range including auxiliary contacts and signalling accessories.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for dependable overload protection, high fault interruption capability and long-term operational reliability.
Current
6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S300P
Model
S301P-B6
SKU
2CDS381001R0065
Product type
Miniature circuit breaker (MCB)
Rated current
6 A
Number of poles
1
Protected poles
1
Tripping characteristic
B
Rated operational voltage
240 / 415 V AC
Rated DC voltage
125 V DC
Frequency
50 / 60 Hz
Rated breaking capacity
25 kA
Rated insulation voltage
500 V
Rated impulse withstand voltage
6 kV
Protection rating
IP20 (IP40 when installed in an enclosure)
Mounting type
35 mm DIN rail
Terminal capacity
0.75 to 35 mm² rigid, 0.75 to 25 mm² flexible
Electrical endurance
20,000 operating cycles
Mechanical endurance
20,000 operating cycles
Dimensions (H × W × D)
88 × 17.5 × 69 mm
Weight
approx. 0.124 kg
EAN
4016779080583
Country of origin
Germany
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.
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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...