Littelfuse H218004P - 218 SLO-BLO GLASS BODY FUSE H-PACK 4A. 5x20mm Time-Lag glass body cartridge fuse designed to IEC specification. Features: Designed to International (IEC ) Standards for use globally Meets the IEC 60127-2, Sheet 3 specification for Time Lag fuses. Available in cartridge and axial lead form RoHS compliant and lead-free.
Littelfuse

H218004P

Alternate Item Number: 0218004.HXP

UPC: 079458904840


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Minimum Qty: 100

Multiplier: 100

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Overview

The Littelfuse 218 SLO-BLO 4A glass body fuse (SKU: H218004P) represents a cornerstone of reliable overcurrent protection for demanding industrial and commercial environments. Engineered to stringent international standards, this 5x20mm cartridge fuse is specifically designed to meet the IEC 60127-2, Sheet 3 specification for time-lag (slow-blow) fuses. This compliance ensures that the fuse provides selective protection, allowing for temporary inrush currents common in motor startups or power supply energization without causing nuisance tripping, while still offering robust safeguarding against sustained overloads and short circuits. Littelfuse, a globally recognized leader in circuit protection, delivers exceptional quality and performance with the 218 SLO-BLO series. The glass body construction offers visual indication of fuse operation and excellent dielectric properties, crucial for maintaining circuit integrity. Its time-lag characteristic is paramount in applications where equipment is subjected to transient current surges. This feature differentiates it from fast-acting fuses, preventing unnecessary downtime and protecting sensitive electronic components from damage that could result from premature fuse blow. Key features and benefits of the Littelfuse 218 SLO-BLO 4A fuse include: * **IEC 60127-2, Sheet 3 Compliance:** Adheres to international standards for time-lag fuses, ensuring global compatibility and reliable performance. * **Time-Lag (Slow-Blow) Operation:** Designed to withstand temporary inrush currents, minimizing nuisance tripping and maximizing operational uptime. * **5x20mm Glass Body Cartridge:** Standard size for broad compatibility with fuse holders and equipment. The glass body allows for easy visual inspection. * **4A Current Rating:** Suitable for a wide range of applications requiring precise overcurrent protection at this amperage. * **RoHS Compliant and Lead-Free:** Meets environmental regulations, making it a responsible choice for manufacturing and product design. * **Versatile Form Factors:** Available in both cartridge and axial lead configurations to suit diverse mounting requirements. This fuse is an ideal choice for protecting a multitude of industrial systems, including power supplies, motor control circuits, HVAC systems, industrial automation equipment, and general electronic assemblies. Its robust design and adherence to international safety standards make it a trusted component for engineers and technicians seeking dependable circuit protection. By selecting the Littelfuse 218 SLO-BLO fuse, you are investing in the longevity and reliability of your equipment, ensuring operational continuity and safeguarding against costly failures. The manufacturer's commitment to quality and innovation is evident in every component, providing peace of mind for critical applications.
  • Littelfuse 218 SLO-BLO 4A, 5x20mm glass body cartridge fuse
  • Designed to IEC 60127-2, Sheet 3 specification for Time Lag fuses
  • Provides reliable time-lag overcurrent protection for industrial applications
  • RoHS compliant and lead-free for environmental responsibility
  • Ideal for power supplies, motor control, and sensitive electronic circuits

Specifications

Amperage Rating
4 Amps
Application
supplementary protection in appliance or utilization equipment
Brand Name
Littelfuse
Current Rating
4 A
Material
Glass
Mounting Type
Cartridge
Series
218 SLO-BLO
Size
5x20 mm
Special Features
Time-Delay
Standard
IEC 60127-2
Sub Brand
218 Series
Type
Time-Lag
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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

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9F61 Size B Clips 1.6in

Frequently Asked Questions

What technical support resources does Littelfuse offer?

Littelfuse provides a Techline with technical experts who can answer product questions, offer cross-references, provide engineering drawings, and give application assistance. They can be contacted at 1-800-TEC-FUSE or [email protected].

How can distributors access Littelfuse product information?

Distributors can access product information through the Littelfuse Business Center website, which offers product availability, pricing, order placement, order status, special pricing agreements, literature ordering, and technical resources.

What marketing support does Littelfuse provide to distributors?

Littelfuse offers a Marketing to Marketing program that includes co-branded email campaigns, content sharing, marketing tools, product launch support, and website linking. The program is free and aims to help distributors grow sales.

What training resources are available from Littelfuse?

Littelfuse University provides in-depth training courses ranging from 3 to 20 minutes, covering products, programs, and tools at various expertise levels. Courses can be accessed at LittelfuseUniversity.com.

What digital marketing assets does Littelfuse provide?

Littelfuse offers a digital asset portal with online sales tools, product images, video files, sales presentations, webcast recordings, and product literature that can be downloaded and used by distributors.

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.