Littelfuse L60030C-1SQDIN - Littelfuse DIN series Class CC fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm "hat" type DIN rails. New releasable mechanism allows installation and removal of block without removing adjacent components on DIN rail. Electrical panel builders and machine builders no longer need to use mounting adapters, saving assembly time and related costs.
Littelfuse

L60030C-1SQDIN

Alternate Item Number: L60030C1SQDIN

UPC: 079458117844

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Overview

The **Littelfuse L60030C-1SQDIN DIN Series Class CC Fuse Block** is a high-performance, DIN rail-mounted solution engineered for seamless integration into industrial electrical panels and machine control systems. Designed to meet the rigorous demands of modern automation, automation, and power distribution applications, this fuse block combines robust construction with innovative mounting features to deliver unmatched reliability and ease of installation. As part of Littelfuse’s trusted DIN Series, the L60030C-1SQDIN is built to withstand harsh operating environments while ensuring optimal circuit protection and operational efficiency. This Class CC fuse block is specifically engineered for **35mm "hat" type DIN rails**, eliminating the need for additional mounting adapters—a common pain point in traditional panel designs. The **integral DIN rail mounting capability** simplifies assembly, reduces hardware complexity, and minimizes installation time, making it an ideal choice for electrical panel builders and machine OEMs seeking to streamline production workflows. The **releasable mechanism** is a standout feature, allowing technicians to install or remove the fuse block without disturbing adjacent components on the DIN rail. This not only accelerates maintenance and upgrades but also enhances safety by reducing the risk of accidental dislodging of neighboring devices during servicing. Class CC fuse blocks like the L60030C-1SQDIN are widely recognized in the industry for their **compact footprint, high interrupting rating, and compatibility with fast-acting fuses**, making them a preferred solution for protecting sensitive electronic equipment and motor circuits. Typical applications include **industrial control panels, motor drives, power supplies, HVAC systems, and renewable energy installations**, where reliable overcurrent protection is critical to preventing downtime and equipment damage. The **Littelfuse DIN Series** is trusted by engineers and panel builders worldwide for its **consistent performance, compliance with international standards (UL, CSA, IEC), and long-term durability**—attributes that contribute to reduced maintenance costs and extended system lifespan. Installation is straightforward, thanks to the **tool-less mounting design** and secure snap-fit engagement with the DIN rail. The fuse block’s **screw-type terminals** ensure stable connections, while its **UL 248-4 Class CC listing** guarantees compatibility with a broad range of fuse types, including Littelfuse’s own high-performance Class CC fuses. For professionals evaluating fuse blocks, the L60030C-1SQDIN stands out for its **space-saving design, modular flexibility, and cost-effective integration**—key considerations in both new installations and retrofit projects. Littelfuse, a global leader in circuit protection solutions, has been delivering innovative products for over a century, with a reputation for engineering excellence and customer-focused design. The **DIN Series Class CC fuse blocks** reflect this commitment, offering a balance of **performance, reliability, and ease of use** that aligns with the needs of today’s industrial automation and power distribution challenges. Whether deployed in **automotive manufacturing, food processing, water treatment, or data centers**, the L60030C-1SQDIN provides the peace of mind that comes from using a product backed by a trusted name in circuit protection.
  • Integral 35mm DIN rail mounting eliminates need for adapters
  • Releasable mechanism enables tool-less installation/removal without disturbing adjacent components
  • Class CC rated for high interrupting capacity and compact footprint
  • UL 248-4 and CSA certified for global compliance
  • Screw-type terminals ensure stable, long-lasting connections

Specifications

Brand Name
Littelfuse
Special Features
DIN Rail Mounting
Standard
UL Listed CSA
Sub Brand
L600 Fuseblock
Type
Class CC Fuseblock
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The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

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The new Littelfuse Class H blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.
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.

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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.
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Littelfuse DIN series Class CC fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm "hat" type DIN rails. New releasable mechanism allows installation and removal of block without removing adjacent components on DIN rail. Electrical panel builders and machine builders no longer need to use mounting adapters, saving assembly time and related costs.

L60030C-2PQ

Littelfuse DIN series Class CC fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm "hat" type DIN rails. New releasable mechanism allows installation and removal of block without removing adjacent components on DIN rail. Electrical panel builders and machine builders no longer need to use mounting adapters, saving assembly time and related costs.
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LD3955-2

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The Littelfuse 600 V Class J blocks offer generous space savings and enhanced value over previous generations, such as indication, snap-to-release DIN-rail mounting and universal mounting holes.

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.