Products

ABB S303PC40 Miniature Circuit Breaker 25 kA 3-P 40A 415VAC C-Curve

Product Code: S303PC40

  • 40 A rated current, 415 VAC voltage
  • 3 poles with 25kA breaking capacity
  • IP20/IP40 protection, screw clamp terminals
  • Compact size: 52.5 mm width, DIN rail mount
  • Operates in -40 to 70°C environments
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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 C
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 8.7 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 60898-1, IEC/EN 60947-2, UL 1077
Terminal Type Screw Clamp
Tightening Torque 2.8 N-m
Trip Curve C Curve
Weight 0.372 kg
Width 52.5 mm
Wire Stripping Length 14 mm

Description

<p>For professionals in the electrical engineering and automation industries, selecting the right Miniature Circuit Breaker (MCB) is pivotal for ensuring safety and reliability. This MCB, part of the S300P series, offers a robust solution tailored to meet industrial and commercial needs.</p><p>With a rated current of 40 A and a breaking capacity of 15 kA, this MCB is designed to handle significant electrical loads while maintaining high performance. It operates efficiently across a voltage range up to 415 VAC and can withstand impulse voltages up to 6 kV. The rated insulation voltage stands at 500 V, providing an additional layer of security against electrical faults.</p><p>The device&amp;#39;s power loss is minimal at just 8.7 W, making it an energy-efficient choice for your installations. With three poles available, it can be integrated into complex systems with ease. The degree of protection offered ranges from IP20 to IP40 depending on installation conditions, ensuring durability in various environments.</p><p>Installation is straightforward thanks to its screw clamp terminal type that supports a tightening torque of 2.8 N-m. The compact dimensions—52.5 mm wide by 88 mm high by 69 mm deep—allow for seamless integration into existing setups without demanding excessive space.</p><p>This MCB adheres to rigorous standards including CSA 22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2, and UL 1077 certifications which affirm its quality and compliance with international safety protocols.</p><p>Durability is another key feature; with an electrical lifespan rated at up to 10,000 cycles and a short circuit capacity reaching up to an impressive 20 kA under certain conditions (noted as IP3 pollution degree), it promises longevity even in challenging operational environments.</p><p>Designed for versatility in mounting position on DIN Rails with arbitrary power supply connection options makes it adaptable for various applications without restrictions on orientation or setup complexity.</p><p>The product&amp;#39;s housing color in RAL7039 grey provides not only aesthetic uniformity but also ensures visibility within control panels or distribution boards where clarity is crucial during maintenance activities or inspections.</p><p>Its curve type C characteristic allows it to manage typical inductive loads found in many commercial settings effectively balancing between sensitivity and robustness against transient surges or overloads typically encountered during normal operation cycles at frequencies ranging from standard grids (50 Hz) through variable applications (60 Hz).</p><p>Operating reliably within ambient temperatures spanning -40&amp;#176;C up through +70&amp;#176;C showcases its resilience under both extreme cold weather conditions as well as hotter climates prevalent throughout Australia&amp;#39;s diverse landscape ensuring consistent protection year-round regardless of external temperature fluctuations experienced onsite whether indoors or outdoors sheltered appropriately per specification guidelines provided by manufacturers documentation accompanying purchase orders upon delivery confirmation 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    IPD Product Catalogue V17
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