Littelfuse 571007-020 - PANEL MOUNT FUSEHOLDER 571007/571008 KNOB ASSEMBLY
Littelfuse

571007-020

UPC: 079458117776

Documents & Media
Specification Sheet

Contact for Pricing

Overview

The Littelfuse 571007-020 Panel Mount Fuseholder Knob Assembly is a critical component for ensuring the safety and operational integrity of industrial electrical systems. Manufactured by Littelfuse, a globally recognized leader in circuit protection, this knob assembly is designed for the 571007/571008 series of fuseholders, offering robust performance and reliable functionality in demanding environments. Its primary purpose is to provide secure and convenient access to the fuse within the fuseholder, facilitating quick and safe replacement when necessary. The panel mount design of this Littelfuse fuseholder knob assembly ensures a stable and permanent installation onto control panels, machinery, and electrical enclosures. This mounting method is essential in industrial settings where vibrations, mechanical stress, and environmental factors can compromise less secure connections. The knob itself is ergonomically designed for ease of use, allowing operators to swiftly and safely disengage or engage the fuse without requiring specialized tools, thereby minimizing downtime during maintenance or troubleshooting. This component is engineered to meet the stringent requirements of industrial applications, where reliability and durability are paramount. Its construction materials are selected for their resilience against heat, chemicals, and physical impact, common challenges in manufacturing plants, processing facilities, and heavy machinery operations. By incorporating the Littelfuse 571007-020, engineers and maintenance professionals can be confident in the protection of sensitive electrical circuits from overcurrent and short-circuit conditions. Key benefits and features of the Littelfuse 571007-020 Panel Mount Fuseholder Knob Assembly include: * **Secure Panel Mounting:** Facilitates robust and stable integration into industrial control panels and equipment. * **Easy Fuse Access:** The knob design allows for quick and safe fuse replacement, reducing operational interruptions. * **Durable Construction:** Built with high-quality materials to withstand harsh industrial environments. * **Enhanced Safety:** Contributes to the overall safety of electrical systems by providing reliable circuit protection access. * **Compatibility:** Designed for seamless integration with Littelfuse 571007/571008 series fuseholders. Industries that commonly utilize this type of fuseholder knob assembly include manufacturing, automation, power generation, telecommunications infrastructure, and transportation systems. In these sectors, the ability to quickly diagnose and resolve electrical faults is crucial for maintaining productivity and preventing costly equipment damage. The Littelfuse 571007-020 exemplifies the brand's commitment to providing high-quality, dependable circuit protection solutions that are essential for modern industrial operations. Choosing Littelfuse means investing in components that are synonymous with quality, innovation, and long-term performance, ensuring the continuous and safe operation of your critical electrical infrastructure.
  • Panel mount design for secure and stable installation
  • Ergonomic knob for easy and safe fuse access
  • Designed for Littelfuse 571007/571008 series fuseholders
  • Robust construction for demanding industrial environments
  • Enhances safety and operational efficiency in electrical systems

Specifications

Material
High-quality, Heat/Chemical/Physical Impact Resistant
Mounting Type
Panel Mount
Series
571007/571008
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.

3453RF4A

PANELMOUNT SHKSAFE FSEHLDR 3AG FUSE RF4A. Designed to eliminate the possibility of electrical shock, as defined in IEC standards 65 and 257. Shock-Safe fuseholders feature a low profile body, fingergrip knob and anti-tease feature that eliminates circuit interruptionwhen knob is accidentally depressed.
PRIMARY FUSE KIT, CLASS CC, 2POLE

FKTP-1001

PRIMARY FUSE KIT, CLASS CC, 2POLE
Dead front fuse holder front operated 22x58 4P 125A for RMS100

57035016

Dead front fuse holder front operated 22x58 4P 125A for RMS100
Fuse Holder GPM-B 600V CC

18813000026

Fuse Holder GPM-B 600V CC

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.