Littelfuse LFR60030-1C - 600V CLASS R BLOCK 30A 1P BOX LUG TERM
Littelfuse

LFR60030-1C

UPC: 079458941258

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Specification Sheet

Contact for Pricing

Overview

The **Littelfuse LFR60030-1C** is a high-performance **Class R block fuse** engineered for industrial-grade overcurrent protection in demanding electrical systems. Rated at **600V and 30A**, this **single-pole (1P) fuse** features **box lug termination**, ensuring secure, low-resistance connections in power distribution, motor control, and industrial machinery applications. Designed to meet the rigorous demands of modern electrical infrastructure, the LFR60030-1C delivers exceptional reliability, safety, and performance in environments where uptime and precision are critical. Class R fuses, such as the Littelfuse LFR60030-1C, are widely recognized for their **superior interrupting ratings** and **fast-acting response**, making them ideal for protecting sensitive equipment from damaging overcurrent events. Unlike standard fuses, Class R fuses comply with stringent industry standards, including **UL 248**, ensuring consistent performance across applications. The **box lug termination** simplifies installation and maintenance, allowing for quick and secure wiring in panelboards, switchgear, and control cabinets. This termination style is particularly advantageous in industrial settings where vibration, thermal cycling, and mechanical stress are common concerns. **Key Applications & Industries:** The Littelfuse LFR60030-1C is a versatile solution for a broad range of industrial and commercial applications. In **power distribution systems**, it safeguards transformers, feeders, and branch circuits from short circuits and overloads. For **motor control circuits**, this fuse provides essential protection against locked-rotor conditions and phase-to-phase faults, extending the lifespan of motors and reducing downtime. Industrial machinery—such as CNC equipment, conveyor systems, and HVAC units—benefits from its **high interrupting capacity (HIC)**, which prevents catastrophic failures during fault conditions. **Why Choose Littelfuse?** Littelfuse is a global leader in circuit protection, with over a century of innovation and expertise in fuse technology. The **LFR series** is trusted by engineers, electricians, and facility managers worldwide for its **consistent performance, durability, and compliance with international standards**. Whether deployed in **data centers, manufacturing plants, renewable energy systems, or commercial buildings**, the LFR60030-1C ensures compliance with **NEC (National Electrical Code)** and **OSHA safety regulations**, reducing liability risks and enhancing operational safety. **Installation & Maintenance Considerations:** Proper installation of the Littelfuse LFR60030-1C is straightforward but requires attention to detail. The **box lug termination** accommodates **copper or aluminum conductors**, making it compatible with a wide range of wiring systems. When selecting a fuse holder or panel, ensure it is rated for **Class R fuses** and matches the fuse’s dimensions for a secure fit. Regular inspections should include checking for **corrosion, loose connections, or signs of overheating**, as these can compromise performance. Unlike older fuse classes, Class R fuses are **non-interchangeable** with lower-rated fuses, eliminating the risk of misapplication and enhancing system safety. **Technical Advantages of the LFR Series:** - **High Interrupting Rating (HIC):** Safely clears high fault currents up to the fuse’s rated capacity, preventing arc flash and equipment damage. - **Fast-Acting Response:** Minimizes downtime by quickly isolating faults before they escalate. - **Robust Construction:** Engineered for long-term reliability in harsh industrial environments, including exposure to dust, moisture, and temperature extremes. - **Compliance & Certifications:** Meets **UL 248, CSA, and CE standards**, ensuring global acceptance in regulated markets. - **Easy Identification:** Clearly marked with voltage, current, and class ratings for quick verification during maintenance or upgrades. For professionals seeking a **trusted, high-performance fuse** for critical applications, the Littelfuse LFR60030-1C stands out as a top-tier choice. Its combination of **precision engineering, industry-leading safety standards, and Littelfuse’s reputation for quality** makes it an indispensable component in modern electrical protection strategies. Whether upgrading existing systems or designing new installations, this fuse delivers the **performance and peace of mind** required in today’s high-stakes industrial environments.
  • 600V voltage rating for high-power industrial applications
  • 30A current rating with fast-acting Class R performance
  • Single-pole (1P) design for simplified circuit protection
  • Box lug termination for secure, low-resistance connections
  • UL 248 compliant for global safety and reliability standards

Specifications

Connection Type
Box Lug
Current Rating
30 A
Poles
1P
Series
LFR
Voltage Rating
600 V
600V CLASS R BLOCK 60A 1P BOX LUG TERM

LFR60060-1C

600V CLASS R BLOCK 60A 1P BOX LUG TERM
600V CLASS R BLOCK 100A 1P BOX LUG TERM

LFR60100-1C

600V CLASS R BLOCK 100A 1P BOX LUG TERM
600V CLASS R BLOCK 30A 2P BOX LUG TERM

LFR60030-2C

600V CLASS R BLOCK 30A 2P BOX LUG TERM
600V CLASS R BLOCK 60A 2P BOX LUG TERM

LFR60060-2C

600V CLASS R BLOCK 60A 2P BOX LUG TERM
600V CLASS R BLOCK 60A 3P BOX LUG TERM

LFR60060-3C

600V CLASS R BLOCK 60A 3P BOX LUG TERM
600V CLASS J BLOCK 30A 1 POLE NON-ID

LFJ60030-1C

600V CLASS J BLOCK 30A 1 POLE NON-ID
600V CLASS J BLOCK 30A 1 POLE NON-ID

LFJ60030-1P

600V CLASS J BLOCK 30A 1 POLE NON-ID
600V CLASS R BLOCK 30A 1P SCREW TERM

LFR60030-1S

600V CLASS R BLOCK 30A 1P SCREW TERM
LFPSJ302 is a non-indicating Class J dead front fuse holder with a maximum ampere rating of 30.

LFPSJ30-2

LFPSJ302 is a non-indicating Class J dead front fuse holder with a maximum ampere rating of 30.
600V CLASS H BLOCK 30A 1 POLE NON-ID

LFH60030-1P

600V CLASS H BLOCK 30A 1 POLE NON-ID
600V CLASS H BLOCK 30A 1 POLE NON-ID

LFH60030-1S

600V CLASS H BLOCK 30A 1 POLE NON-ID
600V CLASS J BLOCK 30A 1 POLE NON-ID

LFJ60030-1S

600V CLASS J BLOCK 30A 1 POLE NON-ID

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.