Contact for Pricing
Overview
- Designed for Littelfuse FLNR_ID, FLSR_ID, IDSR, LLNRK, LLSRK, KLNR, KLSR fuses
- Robust industrial-grade construction
- Ensures secure and reliable electrical connections
- Contributes to system safety and fault minimization
- Manufactured in the US
Specifications
Application | Industrial |
Brand Name | Littelfuse |
Connection Type | Screw Terminal |
Material | Industrial-grade plastic/metal |
Series | LRU Series |
Series | FLNR_ID, FLSR_ID, IDSR, LLNRK, LLSRK, KLNR, KLSR |
Special Features | Simple Installation |
Standard | UL Listed CSA Certified |
Sub Brand | LRUR Series |
Type | Fuse Reducer |
LRU-263
Littelfuse® fuse reducers allow smaller size fuses to be installed into existing fuse clips to prevent overfusing.
WPB1
Molded from engineering-grade thermoplastics which provide high resistance to corrosive environments. For watertight protection of non-breakaway Y-pole termination, order one WPB1 and one WPB3 boot.
LSRU
Box cover units provide an economical method of protecting small motors against overcurrent damage. For use with Edison-Base plug fuses (TOO, TLO) or Type S plug fuses (SOO, SLO) with adapters (SAO).Frequently Asked Questions
What types of fuses does Littelfuse manufacture?
Littelfuse manufactures UL Class, high-speed, medium voltage, 10x38 mm, and solar fuses. They also offer fuse blocks and holders.
What protection relays does Littelfuse offer?
Littelfuse offers feeder, GFCI, resistance grounding, voltage, timer, arc-flash, motor, pump, ground-fault, and trailing-cable protection relays.
Where can I find Littelfuse technical product information?
Technical information, including cross-reference tools, is available at Littelfuse.com/technical-resources.
How do I contact Littelfuse for technical support?
Contact Littelfuse Techline at +1-800-TEC-FUSE (US & Canada) or email [email protected] for product cross references, technical information, and application assistance.
Does Littelfuse provide product training courses?
Yes, Littelfuse University (LFU) offers in-depth training courses and quick references on products, programs, and tools.
How can I check product availability and pricing?
Access LittelfuseBusinessCenter.com to check product availability, pricing, place orders, and manage Special Pricing Agreements.
What is the Littelfuse MROplus™ program?
The MROplus™ program helps manufacturing facilities reduce inventory and downtime, while improving safety and productivity.
How do I contact Littelfuse customer service?
Contact customer service at +1-800-227-0029 (US & Canada) or email [email protected].
What are POWR-BLOKS power distribution blocks?
POWR-BLOKS are power distribution blocks for splicing cables and managing power distribution. They are touch-safe with available covers to enhance safety.
Where can I find Littelfuse product literature and images?
The Littelfuse digital asset portal at Littelfuse.com/webdam provides product and application images, video files, and product literature.
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.