Littelfuse HCB-3/35/L - 120/240V 35A 3P CIRCUIT BREAKER, LUGS
Littelfuse

HCB-3/35/L


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 20

Multiplier: 20

*Contact for lower quantities*

Overview

The Littelfuse HCB-3/35/L is a robust and reliable 3-pole circuit breaker engineered to provide essential overcurrent protection for a wide array of industrial and commercial electrical systems. Designed with precision and built for durability, this 35A breaker operates seamlessly within 120/240V applications, ensuring the safety and integrity of your electrical infrastructure. Its integrated lug connections offer a secure and efficient means of wiring, simplifying installation and guaranteeing a stable electrical connection critical for demanding operational environments. Littelfuse is a globally recognized leader in circuit protection, and the HCB-3/35/L exemplifies their commitment to quality and performance. This 3-pole configuration is ideal for applications requiring the simultaneous interruption of all three phases, such as motor control circuits, three-phase power distribution, and complex control panels. The 35A rating makes it suitable for moderate to heavy load applications where precise current limiting is paramount to prevent equipment damage and ensure operational continuity. Key features and benefits of the Littelfuse HCB-3/35/L include: * **Reliable Overcurrent Protection:** Safeguards electrical equipment and wiring from damaging overloads and short circuits, minimizing downtime and repair costs. * **3-Pole Configuration:** Provides comprehensive protection for three-phase systems, ensuring all conductors are disconnected simultaneously for enhanced safety. * **35A Current Rating:** Suitable for a broad range of industrial loads, from motor starters to distribution circuits. * **120/240V Voltage Compatibility:** Versatile for use in common North American voltage systems. * **Lug Terminations:** Facilitates secure and straightforward wiring connections, essential for professional installations. * **Durable Construction:** Built to withstand the rigors of industrial environments, offering long-term dependable service. Engineers and electricians rely on Littelfuse circuit breakers for their consistent performance and adherence to stringent safety standards. The HCB-3/35/L is an excellent choice for applications in manufacturing facilities, data centers, HVAC systems, and any setting where dependable electrical protection is non-negotiable. Its robust design ensures it can handle the dynamic electrical stresses inherent in industrial operations, providing peace of mind and protecting valuable assets. When selecting circuit protection, choosing a trusted manufacturer like Littelfuse, coupled with a product designed for demanding applications, is crucial for maintaining operational efficiency and safety.
  • Littelfuse HCB-3/35/L 3-Pole Circuit Breaker
  • 35A Current Rating for Industrial Loads
  • 120/240V Voltage Compatibility
  • Secure Lug Terminations for Easy Wiring
  • Reliable Overcurrent Protection for Industrial Applications

Specifications

Connection Type
Lugs
Current Rating
35 A
Poles
3P
Voltage Rating
120/240 V
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.
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
Ground Lug

DNGL

Ground Lug
ZCT,LZR-030(V),EMPR,EXP

76512124011

ZCT,LZR-030(V),EMPR,EXP
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

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.