Products

ABB S803NC40 High Performance Miniature Circuit Breaker 36 kA at 400VAC 3-P 40A 400/690VAC C-Curve

Product Code: S803NC40

  • 40 A MCB with 36kA breaking capacity
  • Operates at 400/690 VAC, up to 690 V insulation
  • IP20 protection with screw clamp terminals
  • Meets AS/NZS standards for safety and reliability
  • Compact design: 81 mm width, DIN rail mount
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Specifications

Product Type High Performance Circuit breaker
Brand ABB
Series S800N
Ambient Temperature -25 to 60 deg C Operation, -40 to 70 deg C Storage
Application Commercial and Industrial
Cable Cross Section 50 sq-mm Top, 50 sq-mm Bottom
Collection S800N
Curve Type C
Degree of Pollution IP3
Degree of Protection IP20
Depth 82.5 mm
Electrical Durability 6000 Cycles
Height 95 mm
Housing Colour RAL 7035 Grey
Housing Material Insulation group I, RAL 7035
Impulse Voltage 8 kV
Mounting Type DIN Rail
Number of Poles 3
Pole Width 27 mm
Power Loss 3.7 W
Rated Current 40 A
Rated Frequency 50/60 Hz
Rated Impulse Withstand Voltage 8 kV
Rated Insulation Voltage 690 V
Rated Short Circuit Current 36 kA
Rated Voltage 400/690 VAC
Standards and Approvals AS/NZS 60898-1, AS/NZS 60947-2
Terminal Type Screw Clamp
Tightening Torque 3.5 N-m
Trip Curve C Curve
Width 81 mm

Description

<p>The S800N series MCB is a robust and reliable choice for commercial and industrial applications, designed to meet the demanding requirements of modern electrical systems. With a rated current of 40 A, this miniature circuit breaker ensures optimal performance while maintaining safety standards.</p><p>One of the standout features of this MCB is its impressive breaking capacity of 36 kA at 400 VAC, making it well-suited for environments where high fault levels are anticipated. The device operates efficiently within a voltage range of 400/690 VAC and can withstand an impulse voltage up to 8 kV, ensuring durability in varied conditions.</p><p>Engineered with precision, the S800N MCB offers a degree of protection rated at IP20, safeguarding against finger contact and providing basic protection from dust ingress. Its screw clamp terminal type allows for secure connections with a tightening torque specification of 3.5 N-m, supporting cable cross sections up to 50 sq-mm both on top and bottom terminals.</p><p>In terms of dimensions, the unit measures 81 mm in width, stands at 95 mm high, and has a depth of 82.5 mm. This compact size facilitates easy installation on DIN rails while maximizing space efficiency within distribution boards.</p><p>The S800N series adheres to rigorous standards such as AS/NZS 60898-1 and AS/NZS 60947-2, ensuring compliance with Australian safety regulations. Its curve type C characteristic makes it ideal for general applications where moderate inrush currents are expected.</p><p>Durability is further highlighted by its electrical endurance capability—up to 6000 cycles—ensuring long-term reliability even under frequent operation scenarios. Additionally, it boasts a short circuit capacity rating of up to 25 kA.</p><p>Designed to operate seamlessly across temperatures ranging from -25&amp;#176;C to +60&amp;#176;C (with storage capabilities extending from -40&amp;#176;C to +70&amp;#176;C), this MCB demonstrates resilience under varying environmental conditions.</p><p>Available in RAL 7035 grey housing color that blends easily into most industrial settings, this device not only performs effectively but also complements existing equipment aesthetically.</p><p>For professionals seeking dependable circuit protection solutions that combine technical excellence with compliance assurance across commercial or industrial installations—the S800N series MCB presents itself as an outstanding choice backed by quality engineering principles tailored specifically towards Australian market needs.</p>

Documents

  • IPD Product Catalogue

    IPD Product Catalogue V17
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