Littelfuse LA100P200-4TI - 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

LA100P200-4TI

Alternate Item Number: LA100P2004TI

UPC: 079458151923

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Overview

The Littelfuse LA100P200-4TI is a high-performance semiconductor protection fuse engineered to safeguard critical electrical systems in demanding industrial environments. With a robust 1000V rating, this fuse significantly extends the protective capabilities for a wide array of applications, including Uninterruptible Power Supply (UPS) systems, AC and DC drives, and reduced voltage motor starters. Its advanced design prioritizes superior reliability and minimizes damage to sensitive protected components during fault conditions. At the core of the LA100P200-4TI's effectiveness is its exceptionally low I²t rating. This crucial specification quantifies the let-through energy during a short circuit. By minimizing this energy, the fuse drastically reduces the thermal and physical stress on protected semiconductor devices, such as IGBTs and MOSFETs, thereby preventing catastrophic failures and extending equipment lifespan. This feature is paramount in applications where rapid fault clearing is essential to preserve expensive power electronics. Furthermore, the Littelfuse LA100P200-4TI incorporates controlled arc voltage technology. During the fuse clearing process, a high arc voltage can induce damaging transients in the surrounding circuit. This fuse's controlled arc voltage design mitigates these transients, offering an additional layer of protection for sensitive circuit components and ensuring a cleaner, more reliable interruption. The versatility of the LA100P series is underscored by its broad current rating range, spanning from 15 to 1000 amperes. This extensive range allows for precise selection to match the specific protection requirements of various high-voltage applications, ensuring optimal performance without oversizing or undersizing the protective device. The SKU LA100P200-4TI specifically represents a 200A rating within this series, tailored for applications requiring this precise current handling capability. Key features and benefits of the Littelfuse LA100P200-4TI include: * **Exceptional Semiconductor Protection:** Designed specifically to protect sensitive semiconductor devices from overcurrent and short-circuit events. * **1000V Voltage Rating:** Suitable for a wide range of high-voltage industrial applications. * **Low I²t (Let-Through Energy):** Minimizes damage to protected components during short circuits, preserving equipment integrity. * **Controlled Arc Voltage:** Reduces stress on circuit components during fuse clearing, enhancing overall system reliability. * **Broad Current Rating Range (15-1000A):** Offers flexibility for diverse application needs, with the LA100P200-4TI providing a 200A solution. * **Superior Reliability:** Backed by Littelfuse's reputation for quality and performance in critical protection applications. Applications for the LA100P200-4TI and the broader LA100P series are extensive and critical to modern industrial operations. They are indispensable for ensuring the uptime and longevity of: * **UPS Systems:** Protecting the power electronics that ensure continuous power delivery to critical loads. * **AC/DC Drives:** Safeguarding the complex circuitry within variable frequency drives and motor controllers. * **Reduced Voltage Motor Starters:** Providing essential protection for motor control circuits that reduce inrush current. * **Other 1000V or Less Semiconductor Devices:** Covering a vast array of power electronic applications where robust protection is a necessity. When selecting semiconductor fuses, professionals prioritize manufacturers with a proven track record of innovation and reliability. Littelfuse has long been a trusted name in circuit protection, and the LA100P series exemplifies their commitment to delivering advanced solutions for the evolving demands of industrial power systems. The LA100P200-4TI fuse is an investment in the operational continuity and safety of your most critical electrical infrastructure.
  • 1000V rated semiconductor protection fuse for high-voltage applications.
  • Low I²t minimizes damage to protected components during short circuits.
  • Controlled arc voltage reduces stress on circuit components during fuse clearing.
  • Ideal for UPS systems, AC/DC drives, and reduced voltage motor starters.
  • Part of Littelfuse's reliable LA100P series, offering 15-1000A ratings.

Specifications

Application
Protection of Semiconductors
Brand Name
Littelfuse
Current Rating
200 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 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 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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

9F61BWW460

9F61 Size B Clips 1.6in

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.