ABB S303P-K3NA MCB - 3P+N - K Curve - 3A - 25kA

ABB S303P-K3NA MCB – 3P+N – K Curve – 3A – 25kA

The ABB S303P-K3NA is a 3P+N 3 A miniature circuit breaker with switched neutral, K tripping characteristic and 25 kA rated breaking capacity for AC electrical applications.

SKU: 2CDS383103R0317Alt SKU: S303PK3NAMPN: 2CDS383103R0317
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List Price £249.05 ex VAT
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Why Choose the ABB S303P-K3NA?

The ABB S303P-K3NA is a 3P+N miniature circuit breaker from the ABB System pro M compact S300P series, designed to provide dependable circuit protection for suitable AC electrical installations. With a K tripping characteristic, a rated current of 3 A and a rated breaking capacity of 25 kA, it provides reliable protection against overcurrent and short-circuit conditions.

Featuring a switched neutral, the 3P+N configuration provides protection and switching across three phases with the neutral conductor switched. The S303P-K3NA is designed for DIN-rail mounting, supporting straightforward integration into compatible distribution boards, control panels and electrical assemblies.

With its K tripping characteristic, 3 A rated current and high 25 kA breaking capacity, the S303P-K3NA is suited to compatible AC circuits requiring compact multi-pole circuit protection with a switched neutral.

Key Advantages

  • Rated current of 3 A for suitable AC circuit protection applications.
  • K tripping characteristic for applications requiring the corresponding protection characteristics.
  • 25 kA rated breaking capacity for dependable short-circuit protection.
  • 3P+N configuration with switched neutral.
  • Designed for AC electrical supply.
  • DIN-rail mounting for straightforward installation in compatible distribution and control equipment.
  • Part of the ABB System pro M compact S300P miniature circuit breaker series.

Key Features

  • ABB System pro M compact S300P miniature circuit breaker.
  • Model: S303P-K3NA.
  • 3P+N configuration with switched neutral.
  • K tripping characteristic.
  • 3 A rated current.
  • 25 kA rated breaking capacity.
  • AC supply.
  • DIN-rail mounting.
  • Switched neutral for the neutral conductor.
  • Manufacturer part number: 2CDS383103R0317.

Reliable 3P+N Circuit Protection with Switched Neutral

The ABB S303P-K3NA provides compact 3P+N circuit protection for compatible AC electrical installations. Its 3 A rating and K tripping characteristic make it suitable for applications requiring the corresponding overcurrent protection characteristics.

The switched-neutral configuration enables the neutral conductor to be switched alongside the three phase conductors, while the 25 kA rated breaking capacity provides a high level of short-circuit interruption capability for suitable installations.

Typical Applications

  • AC electrical distribution systems.
  • Commercial and industrial control panels.
  • Distribution boards and electrical enclosures.
  • Building electrical installations.
  • Three-phase circuits requiring switched-neutral functionality.
  • Control and auxiliary circuits.
  • General low-voltage AC circuit protection applications.

Technical Specifications

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Current 3 A
Poles 3-pole + N
Phase Three Phase
Device Type MCB
Trip Curve K curve
Breaking Capacity 25 kA
Manufacturer part number 2CDS383103R0317
Brand ABB
Product S303P-K3NA miniature circuit breaker
Configuration 3P+N
Neutral Switched neutral
Tripping characteristic K
Rated current 3 A
Mounting DIN rail
Manufacturer ABB
Series System pro M compact S300P
Model S303P-K3NA
Order code 2CDS383103R0317
Rated breaking capacity 25 kA
Supply AC

Frequently Asked Questions

What is the ABB S303P-K3NA?

The ABB S303P-K3NA is a 3P+N miniature circuit breaker from the ABB System pro M compact S300P series, designed for suitable AC circuit protection applications.

What is the rated current of the S303P-K3NA?

The ABB S303P-K3NA has a rated current of 3 A.

What tripping characteristic does the S303P-K3NA have?

The S303P-K3NA has a K tripping characteristic.

What is the breaking capacity of the ABB S303P-K3NA?

The ABB S303P-K3NA has a rated breaking capacity of 25 kA.

Does the ABB S303P-K3NA have a switched neutral?

Yes. The ABB S303P-K3NA has a 3P+N configuration with a switched neutral.

Trusted by Professionals

ABB System pro M compact S300P miniature circuit breakers provide compact and practical circuit protection solutions for compatible low-voltage electrical installations.