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2CDS383001R0447 ABB S303P-K13 Miniature Circuit Breaker - 3P - K - 13 A

2CDS383001R0447 ABB S303P-K13 Miniature Circuit Breaker – 3P – K – 13 A

ABB S303P-K20 three-pole miniature circuit breaker with a 20 A rated current, Type K tripping characteristic and 25 kA breaking capacity for industrial circuit protection.

SKU: 2CDS383001R0447Alt SKU: S303P-K13MPN: 2CDS383001R0447
Price
List Price £167.54 ex VAT
Your Price (ex VAT)
£167.54
Manufacturer Lead Time Estimated Delivery 14 weeks
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Manufacturer Lead Time

£167.54

Why Choose the ABB S303P-K20 Miniature Circuit Breaker?

The ABB S303P-K20 (2CDS383001R0447) is a premium three-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted ABB S300P series, it delivers outstanding electrical performance, high breaking capacity and reliable operation for demanding applications.

Designed to comply with recognised IEC and UL standards, the S303P-K20 combines a compact DIN rail design with robust construction, making it ideal for installation in industrial control panels, switchgear and power distribution systems. Its fail-safe terminals and flexible top or bottom supply connection simplify installation while ensuring secure electrical connections.

With a rated current of 20 A, a Type K tripping characteristic and a 25 kA rated short-circuit breaking capacity, the S303P-K20 is particularly suited to protecting three-phase motors, transformers and other inductive loads with elevated starting currents.

Key Advantages

  • Industrial-grade three-pole miniature circuit breaker.
  • 20 A rated current with Type K tripping characteristics.
  • Reliable overload and short-circuit protection.
  • 25 kA rated breaking capacity for demanding industrial installations.
  • Ideal for motor circuits and inductive loads.
  • Compact DIN rail mounting for quick installation.

Key Features

  • ABB S300P series.
  • 3-pole configuration.
  • 20 A rated current.
  • Type K tripping characteristic.
  • Rated operating voltage up to 415 V AC.
  • 25 kA rated breaking capacity.
  • Ultimate short-circuit breaking capacity up to 100 kA.
  • Red ON / green OFF contact position indicator.
  • Failsafe screw terminals with top or bottom supply connection.
  • DIN rail mounting compatible with ABB System pro M Compact accessories.

Reliable Protection for Industrial Electrical Systems

The ABB S303P-K20 automatically disconnects electrical circuits during overload or short-circuit conditions, helping protect cables, motors and connected equipment while reducing downtime and improving system reliability.

Its Type K tripping characteristic is specifically designed for circuits with higher starting currents, making it ideal for industrial motors, transformers, compressors and other inductive loads commonly found in manufacturing and automation environments.

Typical Applications

  • Industrial motor protection.
  • Machine building and OEM equipment.
  • Industrial control panels.
  • Power distribution systems.
  • Transformers and inductive loads.
  • Manufacturing and automation facilities.

Technical Specifications

Current 13 A
Phase Three Phase
Manufacturer ABB
Series S300P
Model S303P-K20
Product ID 2CDS383001R0447
Product type Miniature circuit breaker (MCB)
Rated current 20 A
Number of poles 3
Number of protected poles 3
Tripping characteristic Type K
Rated AC voltage 415 V AC
Rated DC voltage 125 V DC
Rated insulation voltage 500 V
Rated impulse withstand voltage 6 kV
Rated breaking capacity 25 kA
Ultimate short-circuit breaking capacity Up to 100 kA at 400 to 440 V AC
Frequency 50 / 60 Hz
Protection rating IP20
Mounting type DIN rail
Dimensions (H × W × D) approx. 88 × 52.5 × 69 mm
Weight approx. 0.37 kg
HS Code 85362010
Country of Manufacture Germany
Poles 3-pole
Device Type MCB
Trip Curve K curve
Breaking Capacity 25 kA

Frequently Asked Questions

What is the ABB S303P-K20 used for?

The S303P-K20 protects three-phase industrial electrical circuits against overloads and short circuits, particularly those supplying motors and inductive equipment.

What is the current rating of this circuit breaker?

This miniature circuit breaker has a 20 A rated current.

What does the Type K tripping characteristic provide?

Type K circuit breakers are designed for applications with higher inrush currents, making them suitable for motors, transformers and other inductive loads.

What is the breaking capacity of the S303P-K20?

The circuit breaker offers a rated short-circuit breaking capacity of 25 kA, making it suitable for demanding industrial installations.

How is the ABB S303P-K20 installed?

The breaker is mounted on a standard DIN rail inside industrial control panels, switchboards and electrical distribution systems.

Trusted by Industrial Professionals Worldwide

ABB S300P miniature circuit breakers are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, high breaking performance and reliable operation in demanding industrial environments.

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