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Littelfuse LFR60060-1CID - The new Littelfuse Class H and R 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.

Littelfuse LFR60060-1CID The new Littelfuse Class H and R blocks offer many advantages over previous generations…

Alternate Item Number: LFR600601CID

UPC: 079458181494

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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

Upgrade your industrial electrical protection with the **Littelfuse Class H and R Fuse Blocks (SKU: LFR60060-1CID)**, a high-performance solution designed for modern power distribution, control panels, and machinery. These advanced fuse blocks combine **dimensional compatibility** with **enhanced safety features**, ensuring seamless integration into existing systems while preventing critical installation errors. The **Class R models** incorporate a **rejection feature**, restricting insertion to Class R fuses only—a key advantage for compliance with stringent safety standards like NEC (National Electrical Code) and OSHA regulations. This design eliminates the risk of misapplication, reducing downtime, equipment damage, and potential hazards in high-stakes industrial environments. **Key Features and Benefits:** - **Dimensional Interchangeability**: Class H and Class R fuse blocks share identical mounting dimensions, simplifying upgrades and retrofits without requiring panel modifications. This compatibility ensures flexibility for engineers and technicians working on legacy systems or new installations. - **Rejection Mechanism (Class R)**: The integrated rejection feature prevents the insertion of incorrect fuse types, enforcing compliance with Class R specifications. This is critical in applications where **overcurrent protection** must meet precise standards, such as in **motor control centers, panelboards, and industrial machinery**. - **Superior Protection and Reliability**: Littelfuse’s **Class H and R fuse blocks** are engineered for **high interrupting ratings**, ensuring robust performance under fault conditions. Their **durable construction** resists vibration, thermal cycling, and environmental stressors, making them ideal for harsh industrial settings. - **Compatibility with Littelfuse Fuses**: Designed to work seamlessly with Littelfuse’s **industry-leading fuse offerings**, these blocks guarantee optimal performance and long-term reliability. The partnership between fuse and block ensures **consistent current interruption** and **minimal nuisance tripping**, enhancing system uptime. - **Wide Application Range**: From **manufacturing plants and data centers** to **renewable energy systems and commercial buildings**, these fuse blocks provide **versatile protection** for critical infrastructure. They are particularly well-suited for **power distribution panels, HVAC systems, and automated machinery**, where **electrical safety and uptime** are non-negotiable. **Why Choose Littelfuse?** With over **a century of innovation** in circuit protection, Littelfuse is a **trusted name** in industrial safety solutions. Their **Class H and R fuse blocks** reflect the company’s commitment to **engineering excellence**, backed by **rigorous testing and compliance** with **UL, CSA, and IEC standards**. Professionals in **electrical engineering, maintenance, and facilities management** rely on Littelfuse for products that deliver **precision, durability, and peace of mind**. **Applications and Industry Use Cases:** - **Industrial Control Panels**: Ensure compliance with **NEC Article 430** (motors) and **Article 240** (overcurrent protection) by using fuse blocks that enforce correct fuse types. - **Power Distribution Systems**: Protect transformers, switchgear, and busways with **high-interrupting-capacity blocks** that handle fault currents safely. - **Machinery and Equipment**: Safeguard **CNC machines, conveyors, and robotic systems** from overcurrent events that could lead to costly downtime. - **Renewable Energy Installations**: Support **solar inverters and wind turbine controllers** with blocks that meet **UL 248 standards** for renewable applications. - **Commercial Buildings**: Enhance safety in **data centers, hospitals, and manufacturing floors** where **electrical reliability** is paramount. **Installation and Maintenance Considerations:** - **Easy Retrofitting**: The **dimensionally identical** design of Class H and R blocks allows for **seamless upgrades** without panel modifications, reducing labor costs and downtime. - **Visual and Mechanical Safety**: The rejection feature provides **tactile and visual feedback**, ensuring technicians install the correct fuse type on the first attempt. - **Long-Term Durability**: Constructed from **high-strength materials**, these blocks resist **corrosion, heat, and mechanical stress**, ensuring **decades of reliable service** in demanding environments. - **Compliance Assurance**: Meeting **UL 512 and CSA C22.2 No. 248.1** standards, these blocks simplify **code compliance** for electrical inspectors and facility managers. **Selecting the Right Fuse Block:** When choosing between **Class H and Class R fuse blocks**, consider your **application’s requirements** and **regulatory needs**. Class H blocks offer **cost-effective protection** for general-purpose applications, while Class R blocks provide **enhanced safety and compliance** for critical systems. Littelfuse’s **LFR60060-1CID** is an excellent choice for engineers seeking **versatility, reliability, and future-proofing** in their electrical protection strategy. Pair it with **Littelfuse Class R fuses** (e.g., **LPN-R, LPJ-R, or JJN-R series**) for **optimal performance** and **long-term peace of mind**. **Conclusion:** For industrial professionals who demand **superior electrical protection, compliance, and reliability**, the **Littelfuse Class H and R Fuse Blocks (SKU: LFR60060-1CID)** are a **smart investment**. Whether you’re upgrading an existing system or designing a new installation, these blocks deliver **unmatched safety, compatibility, and durability**—backed by Littelfuse’s **legacy of innovation** in circuit protection. **Upgrade your electrical infrastructure today** and ensure **safety, efficiency, and uptime** for years to come.
  • Dimensional interchangeability between Class H and R blocks for easy upgrades
  • Rejection feature in Class R models prevents incorrect fuse insertion
  • High interrupting ratings for robust fault current protection
  • Compatible with Littelfuse Class R and H fuses for optimal performance
  • UL, CSA, and IEC compliant for industrial safety standards

Specifications

Brand Name
Littelfuse
Material
high-strength materials
Mounting Type
Panel Mounting
Series
Class H and R fuse blocks
Size
Dimensionally identical to Class R blocks
Special Features
Universal mounting holes
Standard
UL Listed and CSA Certified RoHS
Sub Brand
LFR Series
Type
Fuse Block
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
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.

LFH25100-1CID

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.
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.

LFH60060-2CID

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.
1PH9P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 159 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.

1PH9P18MM

1PH9P18MM is a compact-sized POWR Busbar system that provides safe distribution of electrical power to multiple dead front fuse holders and measures 159 mm in length, which can be cut down to an optimal size. See datasheet for more detailed specifications.
The new Littelfuse Class H and R 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.

LFR25030-3S

The new Littelfuse Class H and R 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.
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.

LFH60030-3PID

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.
The new Littelfuse Class H and R 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.

LFR60060-2CID

The new Littelfuse Class H and R 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.
1 POLE Up-LINK POWR-SAFE MIDGET HOLDER. The Littelfuse Up-LINK solid state, dead-front fuse holder provides remote fuse status indication without the need to incorporate proprietary network protocols. Advanced notification is beneficial in limiting expensive downtime, reducing production scrap or minimizing unsafe conditions to personnel. Up-LINK provides remote fuse status communication that can easily integrate with an existing PLC or system. If used in conjunction with a user-programmed PLC, additional information can be communicated such as fuse type, fuse part number, necessary Personnel Protective Equipment (PPE) and where replacement fuses are located. Standard Features: Cost-effective solution for remote fuse status indication and local LED indication. Easy integration into existing PLC or system. Current-limiting Class CC fuses provide superior protection with high interrupting rating. Meets stringent IEC and UL Touch Safe Standards to improve worker safety. Time-saving DIN Rail mounting.

LINK001M

1 POLE Up-LINK POWR-SAFE MIDGET HOLDER. The Littelfuse Up-LINK solid state, dead-front fuse holder provides remote fuse status indication without the need to incorporate proprietary network protocols. Advanced notification is beneficial in limiting expensive downtime, reducing production scrap or minimizing unsafe conditions to personnel. Up-LINK provides remote fuse status communication that can easily integrate with an existing PLC or system. If used in conjunction with a user-programmed PLC, additional information can be communicated such as fuse type, fuse part number, necessary Personnel Protective Equipment (PPE) and where replacement fuses are located. Standard Features: Cost-effective solution for remote fuse status indication and local LED indication. Easy integration into existing PLC or system. Current-limiting Class CC fuses provide superior protection with high interrupting rating. Meets stringent IEC and UL Touch Safe Standards to improve worker safety. Time-saving DIN Rail mounting.

Frequently Asked Questions

What types of fuses does Littelfuse offer for industrial applications?

Littelfuse offers UL Class fuses, high-speed fuses, medium voltage fuses, 10 x 38 mm fuses, and solar fuses for industrial applications.

What are Littelfuse high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in power conversion applications like inverters and variable-speed drives.

What is the voltage range for Littelfuse solar fuses?

Littelfuse offers solar fuses and holders up to 1500 Vdc for both high-current and low-current applications.

What protection do feeder protection relays offer?

Feeder protection relays protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What is the Industrial Shock-Block® GFCI designed for?

It is designed for people protection in industrial facilities and meets UL Standard 943C Class C and Class D.

What do Littelfuse voltage monitors protect against?

Voltage monitors provide protection against both supply line and load side faults when the motor is running.

How do arc-flash protection relays enhance safety?

These relays detect developing arc-flash incidents and send a trip signal to interrupt power before significant damage occurs.

What types of protection do Littelfuse motor protection relays offer?

They offer voltage monitors, current monitors, and Bluetooth-enhanced overload relays for low and medium voltage applications.

What is the purpose of Littelfuse Techline support?

Techline experts answer questions about product cross-references, general technical information, engineering drawings, and application assistance.

What applications are 10 x 38 mm fuses suitable for?

These fuses provide compact supplemental protection for a wide variety of applications, available in time-delay or fast-acting versions.

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.