Products

ABB S303PZ32 Miniature Circuit Breaker 25 kA 3-P 32A 415VAC Z-Curve

Product Code: S303PZ32

  • 32 A rated current with 415 VAC voltage
  • 25kA breaking capacity, 3 poles
  • IP20/IP40 protection rating
  • Screw clamp terminals, DIN rail mount
  • Operates at -40 to 70°C ambient temp
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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 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 9.3 W
Power Supply Connection Arbitrary
Rated Current 32 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 Miniature Circuit Breaker (MCB) is an industrial-grade solution designed to meet the rigorous demands of electrical protection in commercial and industrial settings. Engineered with precision, this MCB offers a robust combination of features tailored for reliability and efficiency.</p><p>Rated at 32 A, this MCB supports operations across a wide voltage range, accommodating up to 415 VAC. It boasts a rated impulse withstand voltage of 6 kV and an insulation voltage of 500 V, ensuring resilience against electrical surges and providing solid insulation properties. The breaking capacity stands at a substantial 15 kA, making it suitable for environments where high fault currents are expected.</p><p>With dimensions measuring 52.5 mm in width, 88 mm in height, and 69 mm in depth, the compact design allows for easy integration into existing panels without sacrificing performance. Its weight is manageable at 0.372 kg, facilitating straightforward installation on DIN rails—a mounting method known for its simplicity and versatility.</p><p>The device features a screw clamp terminal type with a tightening torque specification of 3 N-m, ensuring secure connections that withstand operational stresses. Moreover, the wire stripping length required is just 14 mm—ideal for quick setups.</p><p>This MCB adheres to several standards including CSA C22.2 No.235, IEC/EN 60947-2, and UL1077 certifications—demonstrating compliance with global safety requirements. The degree of protection varies between IP20/IP40 depending on installation conditions while maintaining an IP3 degree of pollution rating which ensures reliable operation even in less-than-ideal environmental conditions.</p><p>Operational flexibility is further enhanced by its arbitrary power supply connection capability and ability to function efficiently within ambient temperatures ranging from -40&amp;#176;C to +70&amp;#176;C. The dielectric test voltage is rated at 2 kV which confirms its robustness under high-voltage testing scenarios.</p><p>Designed with longevity in mind, this breaker offers impressive electrical durability rated at up to 10,000 cycles along with short circuit capacity reaching up to an exceptional limit of 20 kA—providing peace of mind through extended service life even under frequent switching conditions.</p><p>Available in RAL7039 grey housing colour that blends seamlessly into most panel designs; it can be mounted in any position allowing maximum flexibility during installation processes across various applications.</p><p>For professionals seeking dependable circuit protection solutions without unnecessary complexity or frills—the S300P series MCB presents itself as an ideal choice balancing performance specifications alongside practical usability considerations effectively meeting diverse technical requirements head-on.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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