Littelfuse 155009U - BAYONET INLINE FUSE HLDR UNASSEMBLED 9U. Heavy-Duty Bayonet Knob In-Line Fuseholder for 3AG/3AB and SFE Fuses.
Littelfuse

155009U

Alternate Item Number: 01550009ZXU

UPC: 079458115536

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Overview

The Littelfuse 155009U Bayonet In-Line Fuseholder, part of the robust 9U series, is engineered to provide superior electrical protection for critical industrial systems. Designed for heavy-duty applications, this unassembled fuseholder offers a reliable and secure method for housing 3AG/3AB and SFE type fuses, ensuring uninterrupted operation and safeguarding valuable equipment from overcurrent events. Its distinctive bayonet knob design facilitates quick and easy fuse replacement, a crucial feature in environments where downtime is costly and efficiency is paramount. Constructed with durability in mind, the Littelfuse 155009U is built to withstand the rigors of industrial settings. The high-quality materials used in its manufacturing ensure longevity and consistent performance, even under demanding operating conditions. This fuseholder is an essential component for power distribution panels, control systems, machinery, and various other industrial electrical assemblies where dependable circuit protection is non-negotiable. The secure bayonet connection minimizes the risk of accidental dislodging, providing a stable electrical interface. Key features and benefits of the Littelfuse 155009U include: * **Versatile Fuse Compatibility:** Accommodates standard 3AG/3AB and SFE fuses, offering flexibility for a wide range of protection requirements. * **Heavy-Duty Construction:** Built for demanding industrial environments, ensuring reliability and a long service life. * **Secure Bayonet Connection:** Provides a robust and user-friendly method for fuse insertion and removal, enhancing safety and efficiency. * **Unassembled Design:** Allows for integration into custom wiring harnesses and assemblies during manufacturing or maintenance. * **Littelfuse Quality:** Manufactured by Littelfuse, a globally recognized leader in circuit protection, guaranteeing adherence to stringent quality and performance standards. This fuseholder is an integral part of a comprehensive circuit protection strategy. By employing the Littelfuse 155009U, engineers and technicians can ensure that their electrical systems are protected against surges and faults, thereby preventing damage, reducing maintenance costs, and enhancing overall operational safety. Its straightforward installation process, coupled with its rugged build, makes it a preferred choice for professionals seeking dependable and long-lasting fuseholder solutions. Whether used in manufacturing plants, transportation systems, or specialized equipment, the 155009U stands as a testament to Littelfuse's commitment to providing essential, high-performance components for the industrial sector. Its design prioritizes both functionality and user-friendliness, making it a practical and effective choice for any application requiring reliable fuse protection.
  • Heavy-duty bayonet knob in-line fuseholder for industrial applications.
  • Compatible with 3AG/3AB and SFE type fuses.
  • Unassembled 9U series holder for flexible integration.
  • Robust construction ensures durability and long-term reliability.
  • Secure bayonet connection for easy and safe fuse replacement.

Specifications

Brand Name
Littelfuse
Connection Type
Bayonet
Material
Heavy-Duty
Material
High-quality industrial materials
Series
9U Series
Series
9U
Size
9U
Special Features
See in the web sheet
Standard
See in the web sheet
Sub Brand
155 Series Fuseholder
Type
In-Line Holders
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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.