Littelfuse LFG48030-3PQDINR - All Littelfuse Class G fuse blocks offer snap-to-release DIN rail mounting and universal mounting holes. Class G fuse blocks are designed for use with time-delay current limiting Class G fuses.
Littelfuse

LFG48030-3PQDINR

Alternate Item Number: LFG480303PQDINR

UPC: 079458939071

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Overview

The **Littelfuse Class G Fuse Block (SKU: LFG48030-3PQDINR)** is a high-performance, industrial-grade solution designed for robust circuit protection in demanding electrical systems. Engineered by Littelfuse—a global leader in circuit protection solutions—this fuse block is specifically optimized for use with **time-delay, current-limiting Class G fuses**, providing superior performance in applications where transient overloads and short-circuit conditions are common. Its **snap-to-release DIN rail mounting** and **universal mounting holes** ensure effortless installation and compatibility with a wide range of industrial enclosures, control panels, and power distribution systems. Whether deployed in manufacturing facilities, renewable energy installations, or heavy machinery, this fuse block delivers unmatched reliability and safety. **Key Features and Benefits:** - **Snap-to-Release DIN Rail Mounting:** The **LFG48030-3PQDINR** features a secure, tool-free DIN rail mounting system, enabling quick and reliable installation in control panels and distribution boards. This design minimizes downtime during maintenance or upgrades, making it ideal for fast-paced industrial environments. - **Universal Mounting Compatibility:** With **universal mounting holes**, this fuse block adapts seamlessly to various enclosure configurations, reducing the need for custom fabrication or additional hardware. This flexibility is particularly valuable in retrofitting existing systems or standardizing new installations across multiple sites. - **Optimized for Time-Delay Class G Fuses:** Designed to work with **Class G time-delay fuses**, this fuse block provides precise protection against overloads while allowing temporary surges (e.g., motor startups or inrush currents) to pass without nuisance tripping. This ensures both **equipment safety** and **operational continuity** in critical applications. - **Robust Construction for Harsh Environments:** Built to withstand the rigors of industrial settings, the **LFG48030-3PQDINR** features a durable housing that resists vibration, dust, and moisture. Its high-quality materials ensure long-term performance, even in high-temperature or corrosive environments. - **Industry-Recognized Reliability:** Littelfuse is a trusted name in circuit protection, with decades of expertise in designing solutions for power distribution, renewable energy, and industrial automation. The **Class G fuse block** is a testament to their commitment to innovation, safety, and compliance with international standards. **Typical Applications:** The **Littelfuse Class G Fuse Block (LFG48030-3PQDINR)** is widely used in: - **Industrial Control Panels:** Protecting motor controllers, variable frequency drives (VFDs), and PLCs from overloads and short circuits. - **Power Distribution Systems:** Safeguarding branch circuits in commercial and industrial buildings, including data centers and manufacturing plants. - **Renewable Energy Systems:** Providing reliable protection in solar inverters, wind turbine controllers, and battery storage systems. - **Heavy Machinery and Equipment:** Ensuring the integrity of electrical systems in construction, mining, and agricultural machinery. - **OEM Applications:** Integrating into custom-built machinery where space constraints and reliability are critical. **Why Choose Littelfuse?** Littelfuse has been a pioneer in circuit protection for over a century, serving industries ranging from aerospace to consumer electronics. Their **Class G fuse blocks** are engineered to meet the stringent demands of modern electrical systems, offering: - **Compliance with Global Standards:** Designed to meet UL, IEC, and other international safety certifications, ensuring seamless integration into global projects. - **Extensive Product Portfolio:** Littelfuse provides a full range of fuse blocks, fuses, and accessories, allowing for cohesive system design and simplified procurement. - **Technical Support and Resources:** With a global network of engineers and technical documentation, Littelfuse supports customers in selecting the right protection solutions for their specific needs. For professionals seeking a **reliable, high-performance fuse block** that combines ease of installation with robust protection, the **Littelfuse LFG48030-3PQDINR** is an industry-proven choice. Its **versatile mounting options**, **compatibility with time-delay fuses**, and **durable construction** make it a cornerstone component in modern electrical protection strategies.
  • Snap-to-release DIN rail mounting for quick, tool-free installation
  • Universal mounting holes for flexible enclosure compatibility
  • Designed for time-delay Class G fuses to handle transient overloads
  • Robust construction for harsh industrial environments
  • Trusted Littelfuse quality with global compliance certifications

Specifications

Brand Name
Littelfuse
Material
Durable Housing (unspecified material)
Mounting Type
DIN Rail Snap-to-Release
Mounting Type
Snap-to-release DIN rail mounting
Poles
3P
Series
Class G
Special Features
Universal mounting holes
Standard
UL Listed CSA Recognized
Sub Brand
LF Series Fuseblock
Type
Class G Fuseblock
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3PH15P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 266 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.

3PH15P18MM

3PH15P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 266 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO

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.