Littelfuse LFH60100-3C - 600V CLASS H BLOCK 100A 3 POLE NON-ID
Littelfuse

LFH60100-3C

UPC: 079458941197

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Specification Sheet

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Overview

The **Littelfuse LFH60100-3C** is a high-performance **Class H block fuse holder** engineered for **industrial circuit protection** in demanding environments. Rated for **600V and 100A**, this **3-pole non-interrupting fuse holder** delivers unmatched reliability and safety for power distribution systems, motor control centers, and heavy machinery. Designed to meet the rigorous demands of industrial applications, the LFH60100-3C ensures long-term durability with its **robust construction** and **precise engineering**, providing exceptional thermal and electrical performance. Class H fuse holders are critical components in **high-fault current systems**, where overcurrent protection is non-negotiable. Unlike standard fuse holders, Class H designs are built to withstand **high interrupting ratings** and extreme operating conditions, making them ideal for **power generation, manufacturing, and utility applications**. The **non-interrupting design** of the LFH60100-3C allows for safe fuse replacement without de-energizing the system, reducing downtime and enhancing operational safety—a key advantage in **24/7 industrial environments**. **Key Features & Benefits:** - **600V Rated Voltage:** Ensures compatibility with high-voltage industrial systems, including **motor drives, transformers, and switchgear**. - **100A Continuous Current Rating:** Supports heavy-duty applications such as **pumps, conveyors, and HVAC systems** where sustained current flow is critical. - **3-Pole Configuration:** Provides balanced protection for **three-phase electrical systems**, a standard in industrial power distribution. - **Non-Interrupting Design:** Enables **hot-swappable fuse replacement**, minimizing maintenance-related disruptions in critical operations. - **Compact & Modular:** Designed for **easy installation** in tight spaces, with **standardized mounting** for seamless integration into existing panels. **Industry Applications:** The LFH60100-3C is widely used in **manufacturing plants, data centers, renewable energy systems, and commercial buildings** where **reliable overcurrent protection** is essential. Typical use cases include: - **Motor control centers (MCCs)** for protecting industrial motors from overloads and short circuits. - **Power distribution units (PDUs)** in data centers to safeguard sensitive IT equipment. - **Renewable energy systems** (solar/wind) where high fault currents require robust protection. - **Utility substations** and **switchgear** for maintaining grid stability and safety. **Why Choose Littelfuse?** Littelfuse is a **global leader in circuit protection**, with over a century of expertise in designing **high-performance fuses and fuse holders** for industrial, commercial, and residential applications. The **LFH60100-3C** exemplifies Littelfuse’s commitment to **quality, innovation, and safety**, backed by **rigorous testing and compliance with industry standards** (UL, IEC, and NEMA). Professionals trust Littelfuse for **uninterrupted performance** in mission-critical applications, where **downtime is not an option**. **Installation & Maintenance Considerations:** Proper installation of the LFH60100-3C requires adherence to **electrical codes (NEC/OSHA)** and manufacturer guidelines. Key steps include: - **Mounting:** Secure the fuse holder in a **well-ventilated, dust-free enclosure** to prevent overheating. - **Wiring:** Use **appropriately sized conductors** (per NEC ampacity tables) and torque terminals to manufacturer specifications. - **Fuse Selection:** Pair with **Class H fuses** (e.g., Littelfuse 300V or 600V Class H fuses) for optimal protection. - **Inspection:** Regularly check for **corrosion, loose connections, or thermal damage** to ensure long-term reliability. For engineers and maintenance teams, the LFH60100-3C offers a **cost-effective, high-reliability solution** that reduces **downtime, equipment damage, and safety risks**. Whether you’re upgrading an existing system or designing a new one, Littelfuse’s **LFH60100-3C** provides the **performance and peace of mind** needed in today’s industrial landscape.
  • 600V rated voltage for high-voltage industrial systems
  • 100A continuous current rating for heavy-duty applications
  • 3-pole configuration for balanced three-phase protection
  • Non-interrupting design enables hot-swappable fuse replacement
  • Compact, modular design for easy installation in tight spaces

Specifications

Connection Type
Screw Terminal
Current Rating
100 A
Mounting Type
Panel Mount
Poles
3
Series
LFH
Series
LFH60100
Voltage Rating
600 V
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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.