Littelfuse 0298150.TXN - The MEGA® Fuse is designed for high current circuit protection up to 250 amperes. with "Diffusion Pill Technology". The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
Littelfuse

0298150.TXN


Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Littelfuse MEGA® Fuse (SKU: 0298150.TXN) stands as a pinnacle of advanced circuit protection, meticulously engineered for industrial and automotive applications demanding robust high-current management. Designed and patented by Littelfuse, a globally recognized leader in circuit protection solutions, this fuse leverages proprietary Diffusion Pill Technology to deliver unparalleled performance and reliability. This innovative technology ensures precise and consistent fusing characteristics, even under extreme operating conditions. With an impressive current rating of up to 250 amperes, the MEGA® Fuse is specifically designed to safeguard circuits that handle substantial electrical loads. Its primary application lies in protecting critical battery and alternator systems, where sudden surges or overcurrents can lead to catastrophic damage. Furthermore, its capabilities extend to any heavy gauge cable installation requiring ultra-high current protection, making it an indispensable component in heavy-duty vehicles, marine vessels, industrial machinery, and renewable energy systems. A key distinguishing feature of the Littelfuse MEGA® Fuse is its inherent time-delay characteristic. This crucial attribute allows the fuse to withstand temporary, harmless inrush currents that are common in high-power systems, such as motor startups, without prematurely blowing. However, it will reliably interrupt sustained overcurrents and short circuits, thereby preventing damage to sensitive equipment and mitigating fire hazards. This time-delay functionality is achieved through its sophisticated internal construction, including the advanced Diffusion Pill Technology, which manages heat dissipation effectively. Key benefits and features of the Littelfuse MEGA® Fuse include: * **Ultra-High Current Protection:** Rated for up to 250 amperes, ideal for the most demanding applications. * **Advanced Diffusion Pill Technology:** Ensures precise fusing and enhanced reliability. * **Time Delay Characteristics:** Withstands temporary surges while protecting against sustained overcurrents. * **Battery and Alternator Protection:** Specifically designed for critical automotive and heavy-duty electrical systems. * **Heavy Gauge Cable Compatibility:** Suitable for installations requiring robust protection for thick conductors. * **Littelfuse Patented Design:** Backed by industry-leading innovation and quality. When selecting circuit protection for high-amperage applications, professionals prioritize components that offer both high interrupting capacity and reliable operational characteristics. The Littelfuse MEGA® Fuse meets these demands with its superior design and manufacturing quality. Its robust construction and advanced internal mechanisms ensure that it performs consistently throughout its operational life, providing peace of mind and safeguarding valuable electrical infrastructure. For applications where electrical system integrity is paramount, the Littelfuse MEGA® Fuse represents a trusted and effective solution, manufactured by a company with a long-standing reputation for excellence in the field of circuit protection.
  • High current circuit protection up to 250 amperes
  • Features advanced Diffusion Pill Technology for enhanced reliability
  • Provides essential time delay characteristics for inrush current management
  • Ideal for battery and alternator protection applications
  • Designed for heavy gauge cables requiring ultra-high current protection

Specifications

Amperage Rating
150 Amperes
Application
automotive batteries, alternators, wire harnesses
Brand Name
Littelfuse
Current Rating
250 A
Interrupt Rating
2000A @ 32VDC Amperes
Material
PPA-GF33HS
Material
Diffusion Pill Technology (proprietary)
Mounting
bolt-down
Series
MEGA® Fuse
Size
68.6mm L x 9.9mm H mm
Special Features
Slo-Blo Hz
Standard
UL Listed E25872
Standard
ISO 8820-5
Sub Brand
MEGA® Slo-Blo® 32V Automotive Bolt-Down Fuse
Type
MEGA 32V bolt down fuse Hz
Voltage Rating
32 Volts DC
MEGA® SLO-BLO® automotive fuses employ diffusion pill technology to provide time-delay circuit protection. MEGA fuses are ideal for use on batteries, alternators, and heavy gauge wire harnesses that experience large inrushes of current. Use MEGA fuses with ratings of 300 A to 500 A only for short circuit protection.

0298250.TXN

MEGA® SLO-BLO® automotive fuses employ diffusion pill technology to provide time-delay circuit protection. MEGA fuses are ideal for use on batteries, alternators, and heavy gauge wire harnesses that experience large inrushes of current. Use MEGA fuses with ratings of 300 A to 500 A only for short circuit protection.
The MEGA® Fuse is designed for high current circuit protection with "Diffusion Pill Technology." The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

0298175.ZXEH

The MEGA® Fuse is designed for high current circuit protection with "Diffusion Pill Technology." The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
FUSE MEGA 32V BOLT-ON BOX 200A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG200

FUSE MEGA 32V BOLT-ON BOX 200A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
FUSE MEGA 32V BOLT-ON BOX 225A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG225

FUSE MEGA 32V BOLT-ON BOX 225A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
FUSE MEGA 32V BOLT-ON BOX 150A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG150

FUSE MEGA 32V BOLT-ON BOX 150A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.

0498050.H

Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.
Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.

0498100.H

Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.
Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.

0498060.M

Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.
Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.

0498150.H

Space-saving MIDI® fuses protect high-current wiring harnesses. The bolt-down automotive fuses employ diffusion pill technology to provide time-delayed performance. Use MIDI Time Lag 32V fuses with ratings of 150 A to 200 A only for short circuit protection.
FUSE MEGA 32V BOLT-ON BOX 100A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG100

FUSE MEGA 32V BOLT-ON BOX 100A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
FUSE - MEGA BOLT-ON BOX 450A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG450

FUSE - MEGA BOLT-ON BOX 450A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.
FUSE - MEGA BOLT-ON BOX 300A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

MEG300

FUSE - MEGA BOLT-ON BOX 300A. The MEGA® Fuse is designed for high current circuit protection up to 250 amperes with Diffusion Pill Technology. The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.

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.