HED42B040L - 40Amp Circuit Breaker

HED42B040L - 40Amp Circuit Breaker

The Siemens HED42B040L Circuit Breaker is a top-tier low voltage Sentron molded case circuit breaker designed to provide reliable and efficient circuit protection for commercial and industrial applications. This breaker features a thermal-magnetic trip unit, ensuring precise and quick response to overload and short-circuit conditions. With its high breaking capacity of 42kA at 480V, this circuit breaker is ideal for demanding environments where safety and durability are paramount.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Combines both thermal and magnetic trip functionalities to protect against overloads and short circuits.
• High Breaking Capacity: Capable of interrupting up to 42kA at 480V, making it suitable for high-demand applications.
• Compact Design: Dimensions of 2 x 6.35 x 3.92 inches allow for easy installation in space-constrained panels.
• Dual Lug Design: Equipped with line and load side lugs (LN1E100) accommodating wire ranges from 10 to 1/0 AWG (copper or aluminum), ensuring versatile installation options.
• Durability: Built to operate efficiently in a standard 40å¡C environment, ensuring consistent performance under varying thermal conditions.

Technical Specifications:

• Manufacturer: Siemens
• Frame Type: ED
• Breaking Capacity: 42kA at 480V
• Current Rating: 40A
• Poles: 2
• Trip Unit: Thermal-Magnetic
• Dimensions (W x H x D): 2 x 6.35 x 3.92 inches
• Weight: 2.712 lbs
• Standards Compliance: UL 489, IEC 60947-2

Material Compliance and Certifications:

• UL 489 Certification: Meets the UL 489 standard for safety and performance in circuit protection.
• IEC 60947-2 Compliance: Adheres to international standards for low-voltage switchgear and controlgear.
• WEEE Directive: Complies with the WEEE (Waste Electrical and Electronic Equipment) directive for take-back and recycling obligations.

Suitability:

• The Siemens HED42B040L Circuit Breaker is ideally suited for use in commercial and industrial settings requiring robust protection against electrical faults. Its high breaking capacity makes it particularly suitable for installations where high fault currents are anticipated. Typical applications include use in electrical panels, distribution boards, and motor control centers where reliable circuit protection is critical for safety and operational efficiency.

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