Littelfuse HCB-3/35/Q - 120/240V 35A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Littelfuse

HCB-3/35/Q


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 20

Multiplier: 20

*Contact for lower quantities*

Overview

The Littelfuse HCB-3/35/Q is a robust and highly reliable 3-pole circuit breaker engineered for demanding industrial environments. Designed to provide superior overcurrent protection, this breaker is essential for safeguarding critical electrical systems and machinery. With a voltage rating of 120/240V and a current capacity of 35A, the HCB-3/35/Q is suitable for a wide array of industrial applications where consistent and dependable performance is paramount. Installation flexibility is a key advantage of the Littelfuse HCB-3/35/Q. It features dual termination options, including standard lugs and convenient quick-connect terminals. This versatility simplifies integration into existing electrical panels and allows for faster, more efficient wiring during new installations. Professionals can choose the connection method that best suits their specific project requirements and site conditions, minimizing installation time and potential errors. Littelfuse is a globally recognized leader in circuit protection, and the HCB-3/35/Q exemplifies their commitment to quality and innovation. Built with durable, high-grade materials, this circuit breaker is constructed to withstand the rigors of industrial operation, including vibration, temperature fluctuations, and electrical stress. Its robust design ensures longevity and reduces the likelihood of premature failure, thereby minimizing costly downtime and maintenance interruptions. The primary function of the HCB-3/35/Q is to protect electrical circuits from damage caused by overloads and short circuits. By interrupting the flow of current when fault conditions are detected, it prevents overheating of wires, damage to equipment, and potential fire hazards. This critical safety feature is indispensable in industrial settings where machinery operates continuously and under heavy loads. Key applications for the Littelfuse HCB-3/35/Q include: * Industrial machinery and automation systems * HVAC systems in commercial and manufacturing facilities * Motor control circuits * Power distribution panels * General purpose power circuits requiring reliable protection When selecting a circuit breaker for industrial use, factors such as voltage rating, current rating, number of poles, and termination type are crucial. The HCB-3/35/Q addresses these needs with its comprehensive specifications and user-friendly design. Its 3-pole configuration is ideal for three-phase power systems commonly found in industrial settings, ensuring balanced protection across all phases. Trust Littelfuse for your critical circuit protection needs, and experience the peace of mind that comes with using industry-leading components. The HCB-3/35/Q is an investment in the safety, reliability, and efficiency of your industrial electrical infrastructure.
  • Littelfuse HCB-3/35/Q 3-pole circuit breaker
  • Rated for 120/240V and 35A
  • Features versatile lug and quick-connect terminals
  • Designed for reliable industrial overcurrent protection
  • Durable construction for demanding environments

Specifications

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

DNGL

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

83411621001

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

76512124011

ZCT,LZR-030(V),EMPR,EXP
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.