Littelfuse HCB-3/15/Q - 120/240V 15A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Littelfuse

HCB-3/15/Q


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Specification Sheet

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Minimum Qty: 20

Multiplier: 20

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Overview

The Littelfuse HCB-3/15/Q is a robust and reliable 3-pole circuit breaker engineered for demanding industrial environments. Designed to provide essential overcurrent protection, this breaker is rated for 120/240V and a continuous current of 15A, making it suitable for a wide range of applications in manufacturing, automation, and power distribution systems. Its versatile terminal configuration, featuring both lug and quick-connect options, simplifies installation and integration into existing control panels and machinery, reducing labor time and potential wiring errors. The HCB-3/15/Q is built with Littelfuse's commitment to quality and durability, ensuring consistent performance and long-term operational integrity even under challenging conditions. This 3-pole design is critical for protecting three-phase circuits, commonly found in industrial motors and equipment, safeguarding them from damaging faults and short circuits. Professionals rely on Littelfuse for their expertise in circuit protection, and the HCB-3/15/Q exemplifies this trust by offering dependable safety and operational continuity. Key specifications and benefits include: * **Voltage Rating:** 120/240V AC, suitable for common industrial power supplies. * **Current Rating:** 15A, ideal for circuits with moderate power requirements. * **Number of Poles:** 3-pole, essential for three-phase circuit protection. * **Terminal Types:** Includes both lug terminals for secure screw connections and quick-connect terminals for faster, tool-less wiring. * **Manufacturer:** Littelfuse, a globally recognized leader in circuit protection solutions. * **Application Versatility:** Widely used in control panels, motor control centers, industrial machinery, HVAC systems, and power distribution units. * **Enhanced Safety:** Prevents equipment damage and potential fire hazards by interrupting fault currents. * **Ease of Installation:** Dual terminal options offer flexibility for various installation scenarios. When selecting circuit protection, industrial engineers and electricians prioritize devices that offer both performance and reliability. The Littelfuse HCB-3/15/Q meets these criteria, providing peace of mind and ensuring the efficient operation of critical industrial infrastructure. Its compact design and robust construction make it a preferred choice for applications where space is at a premium and durability is paramount. Trust the HCB-3/15/Q for your most critical electrical protection needs, backed by the innovation and quality synonymous with the Littelfuse brand. This circuit breaker is a fundamental component for maintaining operational uptime and safeguarding valuable industrial assets from electrical disturbances.
  • Littelfuse HCB-3/15/Q 3-pole circuit breaker
  • 120/240V AC voltage rating
  • 15A current rating
  • Features both lug and quick-connect terminals for flexible installation
  • Ideal for industrial control panels, machinery, and power distribution
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.