Littelfuse 348003 - 3AGSNAP MOUNT FUSEHLDR YLW CAP/KNOB ONLY. For 3AB/3AG Type Fuses. Rated at 15 amps for any voltage up to 250 volts. Low profile design. Blown fuse indicator.
Littelfuse

348003

Alternate Item Number: 03480003Z

UPC: 079458107548


Documents & Media
Brochure

Contact for Pricing

Overview

The **Littelfuse 3AGSNAP Yellow Cap/Knob (SKU: 348003)** is a precision-engineered snap-mount fuse holder designed for **3AB/3AG type fuses**, delivering robust protection for industrial and commercial electrical systems. Rated at **15 amps and 250 volts**, this component is engineered to meet the demands of high-performance applications where reliability and quick maintenance are critical. The **low-profile design** ensures compatibility with space-constrained installations, making it an ideal choice for modern electrical panels, control systems, and distribution boards. **Key Features and Benefits:** - **Blown Fuse Indicator**: The **yellow cap/knob** provides an immediate visual alert when a fuse is blown, reducing downtime and simplifying troubleshooting. This feature is particularly valuable in high-volume facilities where rapid maintenance is essential. - **Snap-Mount Design**: Engineered for **easy installation and removal**, the snap-mount mechanism ensures a secure fit while allowing for quick fuse replacement. This design minimizes the risk of misalignment or improper seating, which can compromise circuit protection. - **High-Reliability Construction**: Manufactured by **Littelfuse**, a global leader in circuit protection solutions, this fuse holder is built to withstand harsh industrial environments. Its durable materials resist corrosion, vibration, and thermal stress, ensuring long-term performance in demanding applications. - **Versatile Compatibility**: Designed for **3AB/3AG type fuses**, this holder is widely used in **control panels, power supplies, lighting systems, and motor protection circuits**. Its **250V rating** makes it suitable for both low- and medium-voltage applications, including commercial buildings, manufacturing plants, and renewable energy systems. - **Space-Saving Low-Profile Design**: The compact form factor allows for **efficient use of panel space**, making it an excellent choice for applications where real estate is at a premium. This design also simplifies wiring and reduces clutter in densely packed electrical enclosures. **Typical Applications:** The **Littelfuse 3AGSNAP** is a go-to solution for professionals in industries such as **manufacturing, telecommunications, HVAC, automotive, and renewable energy**. It is commonly deployed in: - **Control Panels**: Where precise circuit protection is required to safeguard sensitive equipment from overcurrent conditions. - **Power Distribution Systems**: For protecting branch circuits in commercial and industrial buildings. - **Lighting Circuits**: Ensuring reliable operation in environments where downtime is costly. - **Motor Starters**: Providing overload protection for motors in industrial machinery. - **Test Equipment**: Where quick fuse replacement and clear blown-fuse indication streamline maintenance. **Why Choose Littelfuse?** Littelfuse is a **trusted name in circuit protection**, with over a century of innovation and expertise. The company’s products are engineered to meet the highest standards of safety and reliability, making them a preferred choice for engineers and technicians worldwide. The **3AGSNAP series** exemplifies this commitment, offering a **cost-effective, high-performance solution** for fuse protection in a wide range of applications. **Installation and Maintenance Tips:** - **Proper Mounting**: Ensure the fuse holder is securely snapped into place to prevent accidental dislodging during vibration or handling. - **Fuse Selection**: Always use **3AB/3AG type fuses** with the correct ampere rating to match the circuit requirements. - **Visual Inspection**: Regularly check the yellow cap/knob for signs of wear or discoloration, which may indicate excessive heat or improper seating. - **Replacement**: When replacing a blown fuse, use only **Littelfuse-approved fuses** to maintain system integrity and warranty compliance. For professionals seeking a **reliable, easy-to-install fuse holder** with **clear blown-fuse indication**, the **Littelfuse 3AGSNAP Yellow Cap/Knob (SKU: 348003)** is an excellent choice. Its **durable construction, space-saving design, and industry-leading performance** make it a staple in modern electrical protection systems.
  • Snap-mount design for secure, easy installation
  • 15A, 250V rating for versatile industrial use
  • Yellow cap/knob provides clear blown-fuse indication
  • Low-profile design saves panel space
  • Durable construction for harsh environments

Specifications

Brand Name
Littelfuse
Color
Yellow
Current Rating
15 A
Material
Plastic
Mounting Type
Snap Mount
Size
3AG/3AB
Special Features
RoHS compliant and
Sub Brand
332 Series
Type
Cartridge
Voltage Rating
250 V
3AGSNAP MOUNT FUSEHLDR BLK CAP/KNOB ONLY. For 3AB/3AG Type Fuses. Rated at 15 amps for any voltage up to 250 volts. Low profile design. Blown fuse indicator.

348007

3AGSNAP MOUNT FUSEHLDR BLK CAP/KNOB ONLY. For 3AB/3AG Type Fuses. Rated at 15 amps for any voltage up to 250 volts. Low profile design. Blown fuse indicator.
FUSE 250V FA 3AB PB-FREE 10A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

332010P

FUSE 250V FA 3AB PB-FREE 10A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

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.