ABB S303P-D6 MCB - 3P - D Curve - 6A - 25kA

ABB S303P-D6 MCB – 3P – D Curve – 6A – 25kA

ABB S303P-D6 miniature circuit breaker, a 6 A three-pole AC MCB with D tripping characteristic and 25 kA rated breaking capacity for high-performance circuit protection.

SKU: 2CDS383001R0061Alt SKU: S303PD6MPN: 2CDS383001R0061
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Why Choose the ABB S303P-D6 Miniature Circuit Breaker?

The ABB S303P-D6 is a compact three-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the ABB System pro M compact S300P series, it provides high-performance circuit protection with a D tripping characteristic for applications where higher inrush currents can occur.

The S300P series is designed for demanding electrical protection applications and combines high short-circuit breaking capacity with a modular construction suited to distribution boards and control panels. Its compact design supports straightforward installation, while compatibility with the System pro M compact accessory range allows additional functionality where required.

With a 6 A rated current, three-pole configuration and 25 kA rated breaking capacity, the S303P-D6 is suitable for AC circuit protection where a D characteristic is required. Its modular format and DIN-rail mounting make it practical for compact low-voltage distribution installations.

Key Advantages

  • Compact miniature circuit breaker designed for demanding circuit protection applications.
  • 6 A rated current for low-current circuit protection.
  • Three-pole configuration for three-phase AC circuit protection.
  • D tripping characteristic suitable for circuits with higher starting or inrush currents.
  • 25 kA rated breaking capacity for high-performance short-circuit protection.
  • DIN-rail mounting enables straightforward installation in distribution boards and control panels.

Key Features

  • ABB System pro M compact S300P series.
  • 6 A rated current.
  • 3-pole construction with no neutral pole.
  • D tripping characteristic.
  • 25 kA rated breaking capacity.
  • AC supply for low-voltage electrical installations.
  • Thermal and electromechanical overcurrent protection.
  • High short-circuit breaking capacity for demanding applications.
  • DIN-rail mounting for distribution boards and control panels.
  • Compatible with the System pro M compact accessory range.

High-Performance Circuit Protection for Electrical Installations

Miniature circuit breakers such as the ABB S303P-D6 protect electrical circuits by responding to excessive current conditions. The thermal release provides delayed protection against overloads, while the electromechanical release responds rapidly to short-circuit conditions, helping protect conductors and connected equipment.

The S300P series is designed for demanding commercial and industrial applications. Its D tripping characteristic is intended for circuits where equipment can generate higher starting or inrush currents, while the high breaking capacity provides robust short-circuit protection.

Typical Applications

  • Industrial electrical distribution systems.
  • Commercial building distribution boards.
  • Three-phase control panels and automation installations.
  • Circuits supplying equipment with higher inrush currents.
  • Industrial machinery and equipment circuits.
  • Low-voltage AC three-phase circuit protection.

Technical Specifications

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Current 6 A
Poles 3-pole
Phase Three Phase
Device Type MCB
Trip Curve D curve
Breaking Capacity 25 kA
Product type Miniature circuit breaker
Product ID 2CDS383001R0061
Rated current 6 A
Number of poles 3
Neutral pole None
Tripping characteristic D
Supply type AC
Frequency 50 / 60 Hz
Protection rating IP20
Mounting type DIN rail
Terminal type Screw terminals
Module width 52.5 mm
Manufacturer ABB
Series System pro M compact S300P
Model S303P-D6
Order code 2CDS383001R0061
Rated breaking capacity 25 kA
Supply AC

Frequently Asked Questions

What is the ABB S303P-D6 used for?

The ABB S303P-D6 is a three-pole miniature circuit breaker used to protect low-voltage AC electrical circuits against overloads and short circuits.

What rated current does the S303P-D6 support?

The S303P-D6 has a 6 A rated current.

What is the tripping characteristic of the S303P-D6?

The S303P-D6 uses a D tripping characteristic, making it suitable for circuits where higher starting or inrush currents can occur.

What is the breaking capacity of this circuit breaker?

The S303P-D6 has a 25 kA rated breaking capacity.

How is the ABB S303P-D6 mounted?

The S303P-D6 is designed for DIN-rail mounting in distribution boards, control panels and other low-voltage electrical enclosures.

Trusted by Electrical Professionals Worldwide

ABB System pro M compact S300P miniature circuit breakers provide high-performance overload and short-circuit protection for demanding electrical installations, with compact modular construction and flexible compatibility with System pro M compact accessories.