Products

ABB S303PB50 Miniature Circuit Breaker 25 kA 3-P 50A 415VAC B-Curve

Product Code: S303PB50

  • Rated current of 50 A for robust performance
  • 25kA breaking capacity ensures safety
  • Supports 415 VAC with 3 poles
  • IP20/IP40 protection for reliable use
  • Suitable for DIN rail mounting
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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 B
Degree of Pollution IP3
Degree of Protection IP20/IP40
Depth 69 mm
Dielectric Test Voltage 2 kV
Electrical Durability 10000 Cycles
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 11.1 W
Power Supply Connection Arbitrary
Rated Current 50 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 60898-1, IEC/EN 60947-2, UL 1077
Terminal Type Screw Clamp
Tightening Torque 2.8 N-m
Trip Curve B Curve
Weight 0.372 kg
Width 52.5 mm
Wire Stripping Length 14 mm

Description

<p>The S300P series MCB is a robust and reliable choice for industrial and commercial applications, offering a balanced blend of performance and durability. Designed to meet rigorous standards, this miniature circuit breaker ensures safety and efficiency in electrical systems.</p><p>With a rated current of 50 A, the S300P MCB is well-suited for managing moderate electrical loads. It operates effectively at a rated voltage of 415 VAC, making it compatible with various power distribution networks. The device&amp;#39;s breaking capacity stands at an impressive 15 kA, providing ample protection against short circuits.</p><p>Safety is further assured by its rated impulse withstand voltage of 6 kV and insulation voltage of 500 V. The MCB complies with international standards such as CSA 22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077, ensuring broad acceptance across markets.</p><p>This three-pole device features screw clamp terminals that require a tightening torque of 2.8 N-m for secure connections. The wire stripping length is specified at 14 mm to facilitate proper installation practices.</p><p>Measuring at a width of 52.5 mm, height of 88 mm, and depth of 69 mm, the compact design allows for efficient use in space-constrained environments while weighing just 0.372 kg for easy handling during installation or maintenance.</p><p>The S300P series supports versatile mounting on DIN rails in any position without compromising its performance or safety features—a testament to its adaptability in various setups.</p><p>Operational reliability extends across temperatures from -40 to +70 degrees Celsius ensuring functionality even under extreme conditions typical in Australian climates.</p><p>Electrical durability reaches up to an impressive count of over ten thousand cycles highlighting long-term cost-effectiveness through reduced replacement needs over time alongside minimal power loss measured at only around eleven watts per unit usage cycle adding economic value too!</p><p>Additionally equipped with IP20/IP40 degree protection ratings alongside pollution degree three classification these units offer solid resistance against dust ingress moisture exposure environmental factors often encountered within industrial settings</p><p>For those concerned about aesthetics housing comes finished RAL7039 grey blending seamlessly into modern equipment panels maintaining professional appearance throughout installations large small alike</p><p>Overall whether upgrading existing infrastructure planning new installations consider integrating high-quality dependable solutions like our featured product today designed deliver outstanding results consistently meeting exceeding expectations every step way</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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