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Littelfuse LA100P15-1 - Littelfuse's LA100P semiconductor protection fuses are rated 1000V, extending the range of protection for UPS systems, AC and DC drives, reduced voltage motor starters and similar applications where lower l2t and superior reliability are needed. With ratings from 15-1000 amperes, a wide range of high voltage applications can be served. Features: Low l2t minimizes damage to protected components on short circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Applications: Protection of UPS systems, AC/DC drives, reduced voltage motor starters and other 1000V or less semiconductor devices.

Littelfuse LA100P15-1 Littelfuse's LA100P semiconductor protection fuses are rated 1000V, extending the range…

Alternate Item Number: LA100P151

UPC: 079458151619

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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

Littelfuse's LA100P15-1 semiconductor protection fuse is a high-performance solution engineered to safeguard critical industrial and commercial power systems against catastrophic short-circuit events. Designed for applications operating at up to 1000 volts, this fuse delivers unmatched reliability and precision protection for sensitive semiconductor devices, ensuring operational continuity and equipment longevity. The LA100P series, including the LA100P15-1, is a trusted choice for engineers and maintenance professionals who demand superior performance in high-voltage environments where failure is not an option. **Key Features and Benefits:** - **Ultra-Low I²t for Enhanced Protection:** The LA100P15-1 features exceptionally low I²t (let-through energy) ratings, which minimize thermal and mechanical stress on downstream components during fault conditions. This critical characteristic ensures that even the most delicate semiconductor devices—such as IGBTs, thyristors, and MOSFETs—remain undamaged during short circuits, reducing costly downtime and replacement expenses. - **Controlled Arc Voltage for System Stability:** Unlike conventional fuses that generate unpredictable arc voltages during clearing, the LA100P series incorporates advanced arc management technology. This controlled arc voltage reduces voltage spikes and stress on circuit components, protecting sensitive electronics and extending the operational life of connected equipment. This feature is particularly valuable in applications where voltage transients could compromise system integrity. - **Wide Current Range for Versatile Applications:** With current ratings spanning from 15 to 1000 amperes, the LA100P15-1 accommodates a broad spectrum of high-voltage applications. Whether deployed in low-current control circuits or high-power motor drives, this fuse provides consistent and reliable protection without the need for multiple product variants. This versatility simplifies inventory management and reduces procurement complexity for industrial facilities. **Industry-Leading Applications:** The LA100P15-1 is purpose-built for environments where electrical reliability is paramount. Its robust design makes it ideal for: - **UPS Systems:** Protects uninterruptible power supplies from destructive fault currents, ensuring seamless operation during grid disturbances or internal failures. UPS systems are critical in data centers, hospitals, and telecommunications infrastructure, where even brief power interruptions can have severe consequences. - **AC and DC Drives:** Safeguards variable frequency drives (VFDs) and DC drives used in industrial automation, HVAC systems, and renewable energy applications. These drives are essential for controlling motor speeds and optimizing energy consumption, making their protection a top priority for facility managers. - **Reduced Voltage Motor Starters:** Ensures safe and reliable operation of motor starters, particularly in applications requiring soft-start capabilities or reduced inrush currents. This is common in pumps, conveyors, and other heavy-duty machinery where mechanical stress must be minimized during startup. - **Semiconductor Devices:** Provides targeted protection for high-voltage semiconductor components in power electronics, including inverters, converters, and rectifiers. These devices are the backbone of modern power conversion systems, and their failure can lead to cascading system failures. **Engineered for Professional Installation and Maintenance:** Littelfuse designs the LA100P15-1 with the needs of electrical professionals in mind. The fuse is available in standard configurations compatible with industry-standard fuse holders, clips, and enclosures, ensuring easy integration into existing systems. Its compact footprint and robust construction make it suitable for both new installations and retrofits, where space constraints or environmental conditions may pose challenges. **Why Choose Littelfuse?** With over a century of innovation in circuit protection, Littelfuse has established itself as a global leader in safeguarding electrical systems. The LA100P15-1 reflects the company’s commitment to quality, reliability, and technical excellence. Littelfuse’s fuses are trusted by engineers worldwide for their precise performance, long service life, and adherence to stringent international standards. By selecting Littelfuse, you gain access to a partner with deep expertise in power protection, backed by a global network of support and a reputation for delivering solutions that exceed expectations. **Conclusion:** For applications demanding the highest levels of protection in high-voltage environments, the Littelfuse LA100P15-1 semiconductor protection fuse stands as a premier choice. Its combination of low I²t, controlled arc voltage, and broad current range ensures optimal performance across a wide array of industrial and commercial systems. Whether protecting critical infrastructure, optimizing energy efficiency, or extending equipment lifespan, the LA100P15-1 delivers the reliability and precision that modern power systems require. Trust Littelfuse to provide the protection your systems deserve.
  • 1000V rated for high-voltage applications up to 1000V
  • Current ratings from 15A to 1000A for versatile use
  • Ultra-low I²t minimizes damage to protected components
  • Controlled arc voltage reduces stress during fuse clearing
  • Ideal for UPS systems, AC/DC drives, and motor starters

Specifications

Application
Protection of Semiconductors
Brand Name
Littelfuse
Current Rating
15-1000 A
Series
LA100P
Special Features
Very-Fast Acting
Standard
UL Recognized
Sub Brand
LA Series
Type
Semiconductor Fuse
Voltage Rating
1000 V
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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.

Frequently Asked Questions

What types of fuses does Littelfuse offer for industrial applications?

Littelfuse offers UL Class fuses, high-speed fuses, medium voltage fuses, 10 x 38 mm fuses, and solar fuses for industrial applications.

What are high-speed fuses used for?

High-speed fuses protect critical power semiconductor devices against short circuits in power conversion applications like inverters and variable-speed drives.

What do medium voltage fuses protect?

E-rated and R-rated medium voltage fuses protect transformers, potential transformers, feeders, and motor circuits.

What are the voltage and amperage ranges for 10 x 38 mm fuses?

10 x 38 mm fuses are available with ratings from 125 to 1000 volts and 1/10 to 30 amperes.

What is the maximum voltage for Littelfuse solar fuses and holders?

Littelfuse offers solar fuses and holders up to 1500 Vdc for both high-current and low-current applications.

What types of conditions do feeder protection relays protect circuits from?

Feeder protection relays protect circuits from overcurrent, ground faults, phase loss, overload, and other detrimental conditions.

What is the Industrial Shock-Block® GFCI designed for?

The Industrial Shock-Block® GFCI is designed for people protection in industrial facilities and meets UL Standard 943C Class C and Class D.

How do resistance grounding systems benefit industrial applications?

High-resistance grounding limits point-of-fault damage, eliminates arc-flash hazards, and prevents transit overvoltages associated with ground faults.

What kind of protection do voltage monitors provide?

Voltage monitors provide protection against both supply line and load side faults when the motor is running.

What functions do Littelfuse timers and flashers control?

Timers and flashers delay starting and stopping loads, and control cycling and sequencing of motors, pumps, compressors, heaters, and lighting.

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.