2CDS381103R0204 ABB S301P-C20NA Miniature Circuit Breaker - 1+NP - C - 20 A

2CDS381103R0204 ABB S301P-C20NA Miniature Circuit Breaker – 1+NP – C – 20 A

ABB S301P-C20NA miniature circuit breaker with 20 A rated current, Type C tripping characteristic, 1P+N configuration and 25 kA breaking capacity for industrial electrical protection.

SKU: 2CDS381103R0204Alt SKU: S301P-C20NAMPN: 2CDS381103R0204
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List Price £72.07 ex VAT
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Manufacturer Lead Time Estimated Delivery 5 weeks
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Why Choose the ABB 2CDS381103R0204 S301P-C20NA Miniature Circuit Breaker?

The ABB 2CDS381103R0204, also known as the S301P-C20NA, is a premium miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the proven ABB System pro M compact S300P series, it delivers dependable performance, a high breaking capacity and compliance with international IEC and UL standards for demanding applications.

Featuring a 20 A rated current, a Type C tripping characteristic and a 25 kA short-circuit breaking capacity, the S301P-C20NA is ideally suited to protecting motors, transformers, lighting circuits and industrial control equipment with moderate inrush currents. Its robust construction ensures reliable operation even in demanding electrical environments.

With a 1P+N pole configuration, a 240 V AC rated operational voltage and compatibility with selected 72 V DC applications, the S301P-C20NA provides flexible circuit protection. Its compact DIN rail mounting design, fail-safe screw terminals and contact position indicator allow for quick installation and simplified maintenance.

Key Advantages

  • High-performance miniature circuit breaker for industrial circuit protection.
  • 20 A rated current for power distribution and machinery applications.
  • Type C tripping characteristic suitable for moderate inrush current loads.
  • 25 kA short-circuit breaking capacity.
  • 1P+N configuration for phase and neutral switching.
  • Reliable protection against overloads and short circuits.
  • Compact DIN rail mounted design saves panel space.
  • Compatible with ABB System pro M compact accessories.

Key Features

  • ABB System pro M compact S300P series.
  • S301P-C20NA miniature circuit breaker.
  • 20 A rated current.
  • Type C tripping curve.
  • 25 kA breaking capacity.
  • 1P+N pole configuration.
  • 240 V AC rated operational voltage.
  • 72 V DC rated operational voltage.
  • Contact position indication.
  • DIN rail mounting with fail-safe screw terminals.

Reliable Circuit Protection for Industrial Installations

The ABB S301P-C20NA automatically disconnects electrical circuits during overload and short-circuit conditions, helping protect wiring, machinery and connected equipment from costly damage. Its thermal and magnetic tripping mechanisms provide dependable protection while minimising unnecessary interruptions during normal equipment start-up.

Designed for industrial environments, the ABB S300P range combines high fault-breaking performance with compact dimensions and excellent reliability, making it an ideal solution for OEM machinery, control panels and industrial power distribution systems.

Typical Applications

  • Industrial electrical distribution boards.
  • Machine control panels.
  • Motor control circuits.
  • Commercial electrical installations.
  • Industrial automation systems.
  • Lighting and power distribution.
  • OEM machinery.
  • Infrastructure and utility installations.

Technical Specifications

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Current 20 A
Phase Single Phase
Poles 1-pole + N
Device Type MCB
Trip Curve C curve
Breaking Capacity 25 kA
Manufacturer ABB
Series System pro M compact S300P
Model S301P-C20NA
Product ID 2CDS381103R0204
Product type Miniature circuit breaker (MCB)
Rated current 20 A
Tripping characteristic Type C
Number of poles 1P+N
Rated AC voltage 240 V AC
Rated DC voltage 72 V DC
Frequency 50 / 60 Hz
Short-circuit breaking capacity 25 kA
Protection rating IP20 (IP40 when installed in a suitable enclosure)
Mounting type DIN rail mounting
Conductor capacity 0.75 to 35 mm² solid, 0.75 to 25 mm² stranded
Electrical endurance 20,000 operating cycles
Insulation voltage (Ui) 500 V
Impulse withstand voltage (Uimp) 6 kV
Operating temperature -40°C to +70°C
Dimensions (H × W × D) approx. 88 × 35 × 69 mm
Weight approx. 0.248 kg
Country of origin Germany
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB 2CDS381103R0204 used for?

This miniature circuit breaker protects industrial and commercial electrical circuits against overloads and short circuits.

What is the rated current of the S301P-C20NA?

The ABB S301P-C20NA has a rated current of 20 A.

What does the Type C tripping characteristic mean?

Type C circuit breakers are designed for circuits with moderate inrush currents, making them suitable for motors, transformers and industrial equipment.

What is the breaking capacity of this circuit breaker?

The ABB S301P-C20NA provides a high 25 kA short-circuit breaking capacity.

How is the ABB S301P-C20NA installed?

The circuit breaker is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.

Trusted Protection from ABB

ABB System pro M compact S300P miniature circuit breakers are trusted worldwide for delivering reliable overload and short-circuit protection in demanding industrial, commercial and infrastructure applications.