Littelfuse HCB-2/10/L - 120/240V 10A 2P CIRCUIT BREAKER, LUGS
Littelfuse

HCB-2/10/L

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Specification Sheet

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Minimum Qty: 25

Multiplier: 25

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Overview

The **Littelfuse HCB-2/10/L** is a high-performance **120/240V 10A 2-pole circuit breaker with lug connections**, engineered to deliver robust overcurrent protection in demanding industrial and commercial environments. Designed for reliability, this circuit breaker is a critical component in power distribution systems, motor circuits, and control panels where consistent performance and safety are non-negotiable. As part of Littelfuse’s industry-leading circuit protection portfolio, the HCB-2/10/L combines precision engineering with rugged construction to safeguard personnel and equipment from electrical hazards, including short circuits and overloads. **Key Features and Technical Specifications** The HCB-2/10/L operates at **120/240V** with a **10A** rating, making it ideal for branch circuits requiring dual-phase protection. Its **2-pole (2P) design** ensures balanced load distribution, critical in applications where phase imbalance could lead to equipment damage or inefficiency. The inclusion of **lug connections** simplifies wiring, providing secure terminations that reduce installation time and minimize the risk of loose connections—a common source of electrical faults. This breaker is **UL Listed** and compliant with stringent safety standards, including **UL 489** for molded-case circuit breakers, ensuring it meets the rigorous demands of North American electrical codes. **Versatile Applications Across Industries** Professionals across multiple sectors rely on the HCB-2/10/L for its versatility and dependability. In **manufacturing plants**, it protects sensitive machinery from damaging power surges, while in **commercial buildings**, it safeguards lighting systems, HVAC units, and other critical infrastructure. The breaker’s compatibility with **motor circuits** makes it a preferred choice for industrial automation, where consistent overcurrent protection is essential to prevent costly downtime. Additionally, its compact form factor allows for efficient use in **control panels** and **distribution boards**, where space optimization is a priority without compromising protection. **Why Choose Littelfuse for Circuit Protection?** Littelfuse is a globally recognized leader in electrical protection, with over a century of innovation in circuit breakers, fuses, and surge protection devices. The HCB-2/10/L exemplifies the company’s commitment to quality, incorporating **high-quality bimetal elements** and **arc-resistant designs** to enhance durability and performance. Professionals trust Littelfuse for its **consistent tripping accuracy**, **low maintenance requirements**, and **long service life**, even in harsh operating conditions. Whether deployed in **data centers**, **warehouses**, or **utility substations**, this circuit breaker delivers the reliability needed to maintain operational continuity. **Installation and Maintenance Considerations** The HCB-2/10/L is designed for **easy installation** in standard breaker panels, with clear markings for voltage and current ratings to prevent misapplication. Its **lug terminals** accommodate a range of wire sizes, ensuring compatibility with both solid and stranded conductors. For optimal performance, professionals should verify that the breaker’s **interrupting rating** (typically 10kA) exceeds the prospective short-circuit current at the installation site. Routine inspections should include checking for signs of overheating, corrosion, or mechanical wear, though Littelfuse’s robust construction minimizes the need for frequent maintenance. **Industry Standards and Compliance** Compliance with **UL 489**, **CSA C22.2 No. 5.1**, and **IEC 60947-2** standards ensures the HCB-2/10/L meets international safety and performance benchmarks. This makes it suitable for use in **North America**, **Europe**, and other regions with stringent electrical regulations. The breaker’s **compact design** also aligns with modern trends in panel design, where space efficiency and modularity are increasingly prioritized. **Conclusion: A Trusted Solution for Critical Protection** For engineers, electricians, and facility managers seeking a **reliable, high-quality circuit breaker**, the Littelfuse HCB-2/10/L stands out as a top-tier choice. Its **dual-phase protection**, **lug connections**, and **compliance with global standards** make it an indispensable component in any electrical protection strategy. By choosing Littelfuse, professionals gain access to a product backed by decades of expertise and a reputation for innovation in circuit protection. Whether protecting a single motor circuit or an entire facility, the HCB-2/10/L delivers the performance and peace of mind required in today’s high-stakes electrical environments.
  • 120/240V dual-phase operation with 10A rating
  • 2-pole design for balanced load distribution
  • Lug connections for secure, efficient wiring
  • UL 489 and IEC 60947-2 compliant for global use
  • Compact design ideal for control panels and distribution boards
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Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.