Littelfuse HCB-3/25/Q - 120/240V 25A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT
Littelfuse

HCB-3/25/Q


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Specification Sheet

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Minimum Qty: 20

Multiplier: 20

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Overview

The Littelfuse HCB-3/25/Q is a robust and reliable 3-pole circuit breaker engineered for demanding industrial and commercial electrical protection needs. Operating at 120/240V and rated for 25A, this breaker is designed to safeguard electrical systems against overcurrents and short circuits, ensuring operational continuity and personnel safety. Its versatile design incorporates both lug terminals for secure, permanent connections and quick-connect terminals for rapid and convenient installation, making it an ideal choice for a wide range of applications. Engineered by Littelfuse, a globally recognized leader in circuit protection, the HCB-3/25/Q exemplifies the brand's commitment to quality and performance. This breaker is built to withstand harsh environmental conditions and frequent operational cycles, providing dependable protection where it matters most. Its three-pole configuration is essential for protecting three-phase equipment and circuits, commonly found in motor control centers, power distribution panels, and complex machinery. Key features and benefits of the Littelfuse HCB-3/25/Q include: * **Dual Terminal Options:** Offers flexibility with both lug and quick-connect terminals, simplifying installation and maintenance processes. * **High Performance:** Rated for 120/240V and 25A, suitable for a broad spectrum of industrial loads. * **3-Pole Protection:** Provides comprehensive protection for three-phase circuits, critical for motor and power distribution applications. * **Reliable Overcurrent Protection:** Effectively trips to interrupt power during fault conditions, preventing damage to equipment and mitigating fire hazards. * **Durable Construction:** Built with high-quality materials to ensure longevity and consistent performance in demanding environments. This circuit breaker is an indispensable component in various sectors, including manufacturing, automation, HVAC systems, and building management. Its application in control panels ensures that sensitive electronic components and machinery are shielded from electrical disturbances. For motor circuits, it provides essential protection against stalls and overloads, prolonging motor life and preventing costly downtime. In power distribution systems, the HCB-3/25/Q plays a crucial role in maintaining system integrity and preventing cascading failures. When selecting circuit protection, professionals prioritize devices that offer both safety and ease of integration. The HCB-3/25/Q meets these requirements, offering peace of mind through its adherence to stringent safety standards and its user-friendly installation features. Trust the Littelfuse HCB-3/25/Q for superior electrical protection that supports the reliable operation of your critical infrastructure. Its SKU, HCB-3/25/Q, signifies a product designed for efficiency and dependability in the most challenging industrial settings.
  • Littelfuse HCB-3/25/Q 3-Pole Circuit Breaker
  • 120/240V Voltage Rating
  • 25A Current Rating
  • Features both Lug and Quick Connect Terminals
  • Designed for Industrial and Commercial Electrical Protection

Specifications

Connection Type
Lugs/Quick Connect
Current Rating
25 A
Poles
3P
Series
HCB
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.