Littelfuse HCB-2/35/L - 120/240V 35A 2P CIRCUIT BREAKER, LUGS
Littelfuse

HCB-2/35/L

Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 25

Multiplier: 25

*Contact for lower quantities*

Overview

The **Littelfuse HCB-2/35/L** is a high-performance **120/240V 35A 2-pole circuit breaker** engineered for demanding industrial and commercial electrical systems. Designed with **lug connections**, this breaker delivers secure, long-lasting electrical protection while ensuring compliance with stringent safety standards. Built to withstand harsh operating conditions, the HCB-2/35/L is ideal for critical applications where reliability and precision are non-negotiable. This **2-pole circuit breaker** is a cornerstone of modern power distribution, offering **overload and short-circuit protection** for a wide range of electrical circuits. Its **compact yet robust construction** makes it a preferred choice for control panels, motor circuits, lighting systems, and power distribution units in factories, data centers, hospitals, and commercial buildings. The **Littelfuse HCB-2/35/L** is particularly well-suited for environments where space is at a premium but performance cannot be compromised. Key features of the **HCB-2/35/L** include: - **Dual-pole design** for balanced protection across two hot legs in 120/240V systems. - **Lug-type terminals** for secure wire connections, reducing the risk of loose or faulty terminations. - **High interrupting rating** to safely handle fault currents without damage. - **Compact footprint** for easy integration into tight panel spaces. - **Durable construction** with a UL-listed design for long-term reliability. Industries that rely on the **Littelfuse HCB-2/35/L** include: - **Manufacturing plants** where motor circuits and machinery require reliable protection. - **Commercial buildings** with 120/240V electrical systems, such as offices, retail spaces, and hotels. - **Data centers** where uptime is critical, and circuit protection must be fail-safe. - **Healthcare facilities** that demand high-reliability electrical infrastructure. - **Renewable energy systems**, including solar and wind power distribution. Selecting the right circuit breaker is a critical decision for electrical engineers and facility managers. The **HCB-2/35/L** stands out due to its **Littelfuse reputation for quality and innovation** in circuit protection. Littelfuse has been a trusted name in electrical safety for over a century, providing solutions that meet or exceed industry standards. Their breakers are designed to **minimize nuisance tripping** while ensuring maximum protection against electrical faults. Installation of the **HCB-2/35/L** is straightforward, thanks to its **standardized form factor** and compatibility with most industrial panelboards. Professionals appreciate its **tool-less mounting** and clear labeling for easy identification. The breaker’s **thermal-magnetic trip mechanism** ensures rapid response to overloads and short circuits, preventing equipment damage and reducing downtime. For facilities requiring **high-availability power distribution**, the **Littelfuse HCB-2/35/L** is a proven solution. Its **2-pole configuration** makes it ideal for **split-phase 120/240V systems**, common in North American commercial and industrial settings. Whether protecting sensitive electronics, motors, or lighting circuits, this breaker delivers **consistent performance** in both new installations and retrofit projects. Littelfuse’s commitment to **safety, reliability, and innovation** ensures that the **HCB-2/35/L** remains a top choice for professionals who demand the best in circuit protection. With a **global distribution network** and a legacy of excellence, Littelfuse continues to set the standard for electrical safety solutions worldwide.
  • 120/240V 35A 2-pole design for balanced protection
  • Lug-type terminals for secure wire connections
  • Compact and durable construction for harsh environments
  • UL-listed for compliance with safety standards
  • Ideal for control panels, motor circuits, and power distribution

Specifications

Connection Type
Lugs
Current Rating
35 A
Poles
2P
Series
HCB
Voltage Rating
120/240 V
Ground Lug

DNGL

Ground Lug
COVER,SET,AP-400,MC-265a~400a

64611614007

COVER,SET,AP-400,MC-265a~400a
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

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.