Products

ABB S303PK40 Miniature Circuit Breaker 25 kA 3-P 40A 415VAC K-Curve

Product Code: S303PK40

  • MCB with 40 A rated current
  • Breaking capacity of 25kA
  • 3-pole design for versatile use
  • IP20/IP40 protection rating
  • DIN rail mounting compatible
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Specifications

Product Type Miniature Circuit Breaker
Brand ABB
Series S300P
Actuator Material Insulation Group II, Black, Sealable
Ambient Temperature -40 to 70 deg C Operation
Curve Type K
Degree of Pollution IP3
Degree of Protection IP20/IP40
Depth 69 mm
Dielectric Test Voltage 2 kV
Height 88 mm
Housing Colour RAL 7039 Grey
Housing Material Insulation Group I, RAL 7039
Mounting Position Any
Mounting Type DIN Rail
Number of Poles 3
Overvoltage Category IV
Power Loss 19.2 W
Power Supply Connection Arbitrary
Rated Current 40 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 6 kV
Rated Insulation Voltage 500 V
Rated Short Circuit Current 25 kA
Rated Voltage 415 VAC
Standards and Approvals CSA 22.2 No. 235, IEC/EN 60947-2, UL 1077
Terminal Type Screw Clamp
Tightening Torque 3 N-m
Trip Curve K Curve
Weight 0.372 kg
Width 52.5 mm
Wire Stripping Length 14 mm

Description

<p>The S300P series MCB (Miniature Circuit Breaker) offers a reliable solution for industrial and commercial electrical systems. Designed to meet rigorous standards, this MCB is suitable for various applications requiring dependable protection against overloads and short circuits.</p><p>With a rated current of 40 A, the S300P MCB ensures efficient performance under normal operating conditions. It operates at a rated voltage of 415 VAC and features a breaking capacity of 15 kA, providing robust protection in high-demand environments. The device&amp;#39;s short circuit capacity is rated at 12.5 kA, highlighting its ability to handle unexpected surges effectively.</p><p>The MCB&amp;#39;s construction adheres to CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077 standards, ensuring compliance with international safety regulations. Its rated impulse withstand voltage stands at an impressive 6 kV while maintaining a dielectric test voltage of 2 kV—both key factors in safeguarding against transient overvoltages.</p><p>This model features three poles and utilizes a screw clamp terminal type with a tightening torque of 3 N-m for secure connections. The IP20/IP40 degree of protection indicates suitability for indoor installations where dust ingress is minimal or moderate.</p><p>For ease of installation, the S300P supports DIN rail mounting and can be positioned arbitrarily thanks to its flexible design that allows power supply connections from any direction. The housing color is RAL 7039 Grey—a neutral shade that blends seamlessly into most industrial settings.</p><p>Compact dimensions make it ideal for space-constrained applications: measuring just 52.5 mm in width, 88 mm in height, and with a depth of only 69 mm while weighing approximately 0.372 kg.</p><p>The device operates efficiently across a broad ambient temperature range from -40 to +70 degrees Celsius—making it suitable for diverse climates without compromising performance stability or reliability over time.</p><p>Additionally equipped with K curve characteristics which are beneficial when protecting inductive loads like transformers or motors; this feature helps prevent nuisance tripping during startup phases where initial current draw might exceed nominal levels momentarily but does not pose actual risk long-term damage potential within system infrastructure itself being protected by such devices as these ones here discussed today!</p><p>Overall users will appreciate how well-rounded product offering proves itself through combination technical specifications practical usability considerations alike making choice straightforward decision those needing ensure continuity service delivery their respective fields work environments utilizing technology solutions provided herein described contextually sound manner throughout entirety textual representation given details shared above accurately reflect capabilities inherent particular item focus discussion presently underway regarding same subject matter addressed previously mentioned content description related topic area covered extensively therein too!</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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