Littelfuse 313007P - SLO-BLO CERAMIC AXIAL 7A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.
Littelfuse

313007P

Alternate Item Number: 0313007.VXP

UPC: 079458923117


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Overview

The Littelfuse 313007P, a 7A 3AG Slo-Blo® ceramic axial fuse, stands as a cornerstone of reliable and cost-effective circuit protection for a wide array of industrial applications. Engineered by Littelfuse, a globally recognized leader in circuit protection, this fuse is specifically designed to address demanding operational requirements, particularly those involving inductive loads. Its time-delayed characteristic is a critical feature, providing superior protection for components such as motors, transformers, and solenoids. These inductive devices often experience temporary inrush currents during startup, which can cause standard fast-acting fuses to nuisance trip. The Slo-Blo® design intelligently allows for these transient currents while still offering robust protection against sustained overloads that could damage equipment or pose a safety hazard. Crafted with a durable ceramic body, the 313007P ensures resilience in harsh industrial environments, offering enhanced thermal and mechanical stability. The axial lead configuration simplifies integration into existing or new circuit designs, facilitating straightforward installation and maintenance. This fuse is part of the 3AG series, known for its consistent performance and adherence to industry standards. Furthermore, the 313007P is an indicating fuse. Upon experiencing an overload and opening the circuit, its glass body undergoes a visible discoloration. This invaluable feature eliminates the need for time-consuming and often ambiguous troubleshooting, allowing technicians to quickly identify a blown fuse and restore operations, thereby minimizing costly downtime. Key benefits of the Littelfuse 313007P include: * **Superior Inductive Load Protection:** The time-delayed (Slo-Blo®) characteristic is ideal for motors, transformers, and solenoids, preventing nuisance tripping while safeguarding against overloads. * **Visual Indication:** The discoloration of the glass body upon blowing provides instant, unambiguous identification of a fault, streamlining maintenance and reducing diagnostic time. * **Durable Construction:** The ceramic body offers enhanced resistance to thermal stress and mechanical impact, ensuring longevity in demanding industrial settings. * **Cost-Effective Solution:** Provides reliable circuit protection without an exorbitant price tag, making it an economical choice for mass production and maintenance. * **Trusted Manufacturer:** Littelfuse is a renowned name in electrical safety, offering a legacy of quality and innovation in circuit protection devices. This fuse is an essential component for engineers and maintenance professionals seeking dependable protection for sensitive equipment. Its ability to differentiate between temporary inrush currents and damaging overloads makes it a versatile solution for power supplies, control panels, automation systems, and various other industrial machinery. The Littelfuse 313007P is more than just a fuse; it's a critical element in ensuring the operational integrity and safety of your electrical systems.
  • Littelfuse 313007P 7A 3AG Slo-Blo® Ceramic Axial Fuse
  • Time-delayed operation ideal for inductive loads (motors, transformers, solenoids)
  • Visual indication upon blowing (discoloration) for quick identification
  • Durable ceramic body for enhanced thermal and mechanical stability
  • Cost-effective and reliable circuit protection solution

Specifications

Amperage Rating
20 Amperes
Application
TVSS
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
7 A
Material
Ceramic
Series
313/315 series
Size
3AG
Special Features
Current-limiting
Standard
UL Recognized
Sub Brand
POWR-GARD
Type
Surge Supp
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Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.