Products

ABB S303PZ20 Miniature Circuit Breaker 25 kA 3-P 20A 415VAC Z-Curve

Product Code: S303PZ20

  • Rated current of 20 A for efficient performance
  • High breaking capacity of 25kA
  • Compact design with 3 poles and DIN rail mount
  • Operates in -40 to 70°C ambient temperatures
  • Complies with IEC/EN 60947-2 standards
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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 Z
Degree of Pollution IP3
Degree of Protection IP20/IP40
Depth 69 mm
Dielectric Test Voltage 2 kV
Electrical Durability 20000 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 7.5 W
Power Supply Connection Arbitrary
Rated Current 20 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 Z 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, designed to meet the rigorous demands of modern electrical systems. With a rated current of 20 A, it provides dependable circuit protection while maintaining efficiency and safety.</p><p>This MCB boasts a rated impulse withstand voltage of 6 kV and a rated insulation voltage of 500 V, ensuring resilience against electrical surges. Operating at a rated voltage of 415 VAC, it is well-suited for various power distribution tasks. The product&amp;#39;s breaking capacity stands at an impressive 15 kA, with a short circuit capacity reaching up to 25 kA—ideal for handling unexpected overloads or faults in the system.</p><p>Engineered with precision, the S300P features three poles and adheres to standards such as CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077. These certifications highlight its compliance with international safety norms. The device&amp;#39;s degree of protection ranges from IP20 to IP40, offering flexibility depending on installation requirements.</p><p>The screw clamp terminal type ensures secure connections with a tightening torque specification of 3 N-m. For ease during installation or maintenance work, wire stripping length is set at 14 mm. Dimensions are compact yet functional: width measures at 52.5 mm; height at 88 mm; depth at 69 mm—facilitating space-efficient integration into existing setups.</p><p>Durability is key in demanding environments—the S300P delivers with an electrical durability rating of up to 20000 cycles under normal conditions (50/60 Hz). It operates effectively across ambient temperatures ranging from -40&amp;#176;C to +70&amp;#176;C—a testament to its versatility across diverse climates.</p><p>Mounting this MCB onto any DIN rail configuration is straightforward due to its adaptable mounting position capabilities—it can be installed in any orientation without affecting performance or reliability. Additionally, the arbitrary power supply connection enhances its adaptability further within complex systems.</p><p>With housing coloured RAL7039 grey for seamless integration into most panel designs and pollution degree marked as IP3 for added robustness against environmental factors—this MCB stands out as both practical and durable solution tailored specifically towards professional needs where technical accuracy matters most above all else.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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