Littelfuse TOO010 - Littelfuse Plug fuses provide overcurrent protection to general purpose circuits and small motor loads. Edison-base Plug fuses (TOO and TLO series) feature metal threads similar to incandescent lamp bases. Type S Plug fuses (SOO and SLO series) utilize a nonmetallic threaded base and must be used with Type S adapters (SAO series). The National Electrical Code permits Edison base Plug fuses to be used for replacement purposes only. Type S fuses and adapters prevent shunting open fuses and over-fusing.
Littelfuse

TOO010

Alternate Item Number: 0TOO010.Z

UPC: 079458430653

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Overview

The Littelfuse TOO010 Plug Fuse, SKU TOO010, is a critical component for ensuring the safety and reliability of general-purpose electrical circuits and small motor loads. Manufactured by Littelfuse, a globally recognized leader in circuit protection, this Edison-base plug fuse is designed to provide essential overcurrent protection, safeguarding equipment from damage caused by excessive current. This specific model, part of the TOO series, features a classic Edison-base design with metal threads, mirroring the construction of incandescent lamp bases. This design makes it particularly suitable for replacement applications where permitted by the National Electrical Code (NEC). The NEC allows for the use of Edison-base plug fuses for replacement purposes, ensuring continuity and safety in existing installations. It is important to note that while these fuses offer robust protection, the NEC also mandates the use of Type S plug fuses and adapters (like Littelfuse's SAO series) in new installations or when replacing Type S fuses. Type S systems are engineered to prevent the common issues of shunting open fuses and over-fusing, which can lead to hazardous conditions. The primary function of the Littelfuse TOO010 is to act as a sacrificial device. When an electrical circuit experiences an overcurrent condition – whether due to a short circuit or an overload – the fuse element inside the Littelfuse TOO010 will rapidly melt and break the circuit. This interruption prevents the flow of damaging current to connected devices, thereby preventing overheating, fire hazards, and irreparable damage to sensitive electrical components. For small motor loads, this protection is vital, as motors can draw significantly higher currents during startup and under certain operating conditions. Industries that commonly utilize plug fuses for general circuit and small motor protection include residential electrical systems, light commercial applications, and specialized equipment manufacturing. The ease of installation and replacement makes them a practical choice for maintenance personnel and electricians. The robust construction of the Littelfuse TOO010 ensures dependable performance in demanding environments. Its compatibility with standard Edison-base sockets simplifies integration into existing electrical panels and fixtures. When selecting overcurrent protection, professionals consider factors such as the fuse's amperage rating, voltage rating, and interrupting rating. While specific numerical ratings are not detailed here, the Littelfuse TOO010 is engineered to meet the stringent quality and performance standards expected from Littelfuse products. The manufacturer's long-standing reputation in the electrical industry underscores the trustworthiness and efficacy of their circuit protection solutions. Choosing Littelfuse means investing in peace of mind and the longevity of your electrical systems. The TOO010 represents a cost-effective yet highly reliable method for maintaining electrical safety and operational integrity.
  • Provides essential overcurrent protection for general-purpose circuits and small motor loads.
  • Features an Edison-base design with metal threads, suitable for replacement applications per NEC.
  • Manufactured by Littelfuse, a trusted leader in circuit protection solutions.
  • Safeguards electrical equipment from damage due to short circuits and overloads.
  • Designed for easy installation and replacement in standard Edison-base sockets.

Specifications

Application
General purpose circuits and small motor loads
Brand Name
Littelfuse
Connection Type
Edison-base
Material
Metal
Series
TOO
Special Features
Metal threads
Sub Brand
TOO Series
Type
Time Delay Fuse
Package Weight (Imperial)
0.051 L
Package Weight (Metric)
0.023 kg
Littelfuse Plug fuses provide overcurrent protection to general purpose circuits and small motor loads. Edison-base Plug fuses (TOO and TLO series) feature metal threads similar to incandescent lamp bases. Type S Plug fuses (SOO and SLO series) utilize a nonmetallic threaded base and must be used with Type S adapters (SAO series). The National Electrical Code permits Edison base Plug fuses to be used for replacement purposes only. Type S fuses and adapters prevent shunting open fuses and over-fusing.

TOO007

Littelfuse Plug fuses provide overcurrent protection to general purpose circuits and small motor loads. Edison-base Plug fuses (TOO and TLO series) feature metal threads similar to incandescent lamp bases. Type S Plug fuses (SOO and SLO series) utilize a nonmetallic threaded base and must be used with Type S adapters (SAO series). The National Electrical Code permits Edison base Plug fuses to be used for replacement purposes only. Type S fuses and adapters prevent shunting open fuses and over-fusing.

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.