Littelfuse L60030M-3SQDIN - Littelfuse DIN series midget fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm 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

L60030M-3SQDIN

Alternate Item Number: L60030M3SQDIN

UPC: 079458117998

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Overview

The Littelfuse L60030M-3SQDIN DIN series midget fuse block represents a significant advancement in industrial electrical panel and machine building. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse block is designed for seamless integration into 35mm DIN rail systems, a standard in modern industrial control panels. Its primary function is to securely house midget-style fuses, providing essential overcurrent protection for critical electrical circuits. This ensures the longevity and reliable operation of machinery and electrical systems by preventing damage from short circuits or overloads. A key innovation of the L60030M-3SQDIN is its integral DIN rail mounting capability, which eliminates the need for separate mounting adapters. This not only simplifies the installation process but also reduces the overall bill of materials and associated assembly costs for panel builders. Furthermore, the intelligent releasable mechanism is a standout feature. It allows for the straightforward installation and removal of the fuse block without the need to dismantle adjacent components already mounted on the DIN rail. This capability is invaluable in complex control panels where space is often at a premium and minimizing downtime during maintenance or upgrades is paramount. Electrical panel builders and machine builders will find the L60030M-3SQDIN to be an efficient and cost-effective solution. By streamlining the mounting process and enhancing accessibility, it directly contributes to faster assembly times and reduced labor expenses. The robust construction, typical of Littelfuse products, ensures durability and long-term performance in demanding industrial environments. This fuse block is ideal for a wide range of applications, including: * Industrial automation and control systems * Machine tool manufacturing * Power distribution units * HVAC control panels * General industrial electrical enclosures Choosing Littelfuse for your circuit protection needs means investing in quality and reliability. Their commitment to innovation and stringent manufacturing standards ensures that products like the L60030M-3SQDIN meet the rigorous demands of industrial applications. The SKU L60030M-3SQDIN signifies a product built for performance and ease of use, making it a preferred choice for professionals seeking to optimize their electrical panel designs and assembly workflows. The integration of this fuse block contributes to safer, more efficient, and more maintainable electrical systems.
  • Integral DIN rail mounting for 35mm rails
  • Innovative releasable mechanism for easy installation/removal
  • Eliminates need for separate mounting adapters
  • Saves assembly time and reduces costs
  • Ideal for electrical panel and machine builders

Specifications

Brand Name
Littelfuse
Mounting Type
35mm DIN Rail
Series
DIN series midget fuse blocks
Series
Littelfuse DIN series midget fuse blocks
Special Features
DIN Rail Mounting
Standard
UL Listed CSA
Sub Brand
L600 Fuseblock
Type
Class CC Fuseblock
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.

LFG48060-3CDINR

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.
The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.

LFT604001CS

The new Littelfuse Class T fuse blocks offer many advantages over previous generations that are noted in the features and benefits section. Of particular value is the space savings these new blocks provide.
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.

LFG60020-2SQDINR

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.
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.

LD3955-2

POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.
POWER DISTRIBUTION BLOCK 1400 4 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.

LD1400-4

POWER DISTRIBUTION BLOCK 1400 4 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.
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.
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.

LFG60020-1PQDINR

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.
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.

LFG60020-3PQDINR

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.
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.

LD5594-3

POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.
SPLICER BLOCK DISTRIBUTION BLOCK 1 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.

LS1300-1

SPLICER BLOCK DISTRIBUTION BLOCK 1 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.
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.

LFJ60200-3C

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.
Littelfuse DIN series midget fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm 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.

L60030M-1SQDIN

Littelfuse DIN series midget fuse blocks have integral DIN rail mounting capabilities that allow secure mounting to 35mm 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.

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.