Littelfuse 312005P - FAST-ACTING TYPE GLASS FUSE 5A. The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection. Features: In accordance with UL Standard 248-14. Available in cartridge and axial lead format and with various forming dimensions. RoHS compliant and Lead-free.
Littelfuse

312005P

Alternate Item Number: 0312005.VXP

UPC: 079458922035


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Minimum Qty: 5

Multiplier: 5

*Contact for lower quantities*

Overview

The Littelfuse 312005P 3AG Fast-Acting Glass Fuse is a critical component for ensuring the safety and operational integrity of a wide array of electronic and industrial systems. Engineered for reliability and cost-effectiveness, this 5A fuse offers rapid response to overcurrent conditions, thereby protecting sensitive equipment from damage and preventing potential hazards. Its design adheres strictly to UL Standard 248-14, a testament to its quality and performance benchmarks within the circuit protection industry. This particular fuse model, the 312005P, is part of Littelfuse's extensive 3AG series, known for its versatility and dependable performance. The fast-acting characteristic means it interrupts the circuit almost instantaneously upon detecting an excessive current, a crucial feature for applications where rapid fault clearing is paramount. This contrasts with time-delay fuses, which are designed to withstand temporary surges. The 5A rating makes it suitable for a broad spectrum of applications, from power supplies and consumer electronics to industrial control panels and telecommunications equipment. Littelfuse's commitment to environmental responsibility is evident in the RoHS compliance and lead-free construction of the 312005P. This ensures that the fuse meets stringent global regulations regarding hazardous substances, making it an ideal choice for manufacturers focused on sustainable product design and international market access. The availability in both cartridge and axial lead formats, along with various forming dimensions, provides design engineers with the flexibility needed to integrate this protective device seamlessly into diverse product architectures and PCB layouts. Key Features and Benefits: * **Fast-Acting Protection:** Provides immediate interruption of fault currents, safeguarding sensitive components. * **UL 248-14 Compliance:** Meets rigorous safety and performance standards for fuses. * **5A Current Rating:** Suitable for a wide range of moderate current applications. * **RoHS Compliant & Lead-Free:** Environmentally responsible design for global markets. * **Versatile Formats:** Available in cartridge and axial lead options for diverse integration needs. * **Cost-Effective Solution:** Offers reliable circuit protection without compromising budget. When selecting fuses, engineers consider factors such as current rating, voltage rating, interrupt capacity, and response time. The Littelfuse 312005P excels in providing a balanced combination of these attributes for many common applications. Its robust construction and precise manufacturing, hallmarks of the Littelfuse brand, ensure consistent performance over the product's lifespan. Trust Littelfuse for dependable circuit protection solutions that safeguard your valuable equipment and ensure operational continuity. This 5A 3AG fuse is an excellent choice for applications demanding swift and reliable overcurrent protection.
  • Littelfuse 3AG Fast-Acting Glass Fuse, 5A rating
  • Compliant with UL Standard 248-14 for reliable performance
  • RoHS compliant and Lead-free construction for environmental responsibility
  • Available in cartridge and axial lead formats for design flexibility
  • Provides cost-effective and dependable circuit protection

Specifications

Amperage Rating
5 AMPS
Brand Name
Littelfuse
Connection
Cartridge
Current Rating
5 A
Material
Glass
Mounting
Cartridge
Response Time
Cartridge
Series
3AG
Size
1.25L; .25D inches
Size
.25D;1.25L in
Special Features
RoHS
Sub Brand
312 Series
Type
3AG Fast-Acting
Type Of Indicators
Glass
Voltage Rating
250 VAC
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

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

C331156

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

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
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.