Littelfuse 571007P - Panel mount fuse holders are available for supplementary or Class CC branch circuit protection. Class CC fuses have a rejection feature on one end cap which mates with the rejection feature of Littelfuse Class CC fuse blocks and fuse holders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.
Littelfuse

571007P

Alternate Item Number: 05710007LXP

UPC: 079458109481

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Overview

The Littelfuse 571007P Class CC panel mount fuse holder is engineered to deliver dependable supplementary or Class CC branch circuit protection. This fuse holder is specifically designed to accommodate Class CC fuses, which incorporate a crucial rejection feature on one end cap. This feature is meticulously designed to mate with the corresponding rejection feature found on Littelfuse Class CC fuse blocks and fuse holders. This precise mating mechanism serves as a critical safety interlock, effectively preventing the installation of fuses that possess lower voltage ratings or lower interrupting ratings than what the fuse holder is designed to support. This rejection feature is fundamental to ensuring the integrity of the protection system and maintaining compliance with safety regulations. The 571007P is available in a watertight version, designated for applications where environmental sealing is paramount. This watertight version requires front panel mounting. This mounting configuration is essential for maintaining the integrity of the watertight seal, ensuring that the fuse holder remains protected from ingress of moisture and dust. The robust construction of the 571007P, utilizing durable plastic, guarantees longevity and resilience in demanding industrial settings. This material choice ensures that the fuse holder can withstand the rigors of its operating environment without compromising its protective functionality. The Littelfuse 571007P is manufactured in the US, underscoring a commitment to quality and domestic production. It aligns with UNSPSC code 39121624, specifically identifying its application within supplementary protection systems. This classification further clarifies its role in providing an additional layer of safety and protection within electrical circuits. The compatibility with Class CC fuses, coupled with the integrated rejection feature, makes the 571007P a trusted and secure solution for industrial electrical systems that demand robust and reliable fuse protection. The design prioritizes both safety and operational efficiency, offering peace of mind in critical applications.
  • Class CC fuse holder for supplementary or branch circuit protection
  • IP67 watertight rating for harsh environments
  • Front panel mounting for easy installation and maintenance
  • Rejection feature prevents incorrect fuse installation
  • Plastic construction for durable performance

Specifications

Brand Name
Littelfuse
IP Rating
IP67
Material
Plastic
Mounting Type
Front Panel Mount
Series
Class CC
Special Features
Panel mount fuse holders are for Midget-Style and class CC fuses
Standard
UL Listed CSA
Sub Brand
571 Series Fuseholder
Type
Panel Mount Waterthight
Package Weight (Imperial)
0.062 L
Package Weight (Metric)
27.980 g
Littelfuse advocates the use of LET series fuse holders with a permanently installed solid neutral in high humidity and corrosive environments where a watertight 600V product is required. The LET series features an integrated lug on the line side of the circuit, this ensures that there is nothing protruding from the load side of the product that could allow for an unsafe electrical touch point.

LETAAS

Littelfuse advocates the use of LET series fuse holders with a permanently installed solid neutral in high humidity and corrosive environments where a watertight 600V product is required. The LET series features an integrated lug on the line side of the circuit, this ensures that there is nothing protruding from the load side of the product that could allow for an unsafe electrical touch point.
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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.