Littelfuse LDFJ010.T - LDFJ010 is a Class J fuse with an ampere rating of 10.
Littelfuse

LDFJ010.T

Alternate Item Number: LDFJ010.T

UPC: 079458846041


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BrochureTechnical BulletinTechnical DrawingSpecification Sheet

Contact for Pricing

Overview

The **Littelfuse LDFJ010.T Class J fuse** is a high-performance, 10-ampere-rated fuse engineered for robust circuit protection in industrial environments. Designed to meet the demands of modern power distribution systems, this fuse delivers fast-acting overcurrent interruption while maintaining reliability under harsh operating conditions. As part of Littelfuse’s renowned LDFJ series, the LDFJ010.T combines precision engineering with durable construction to safeguard critical infrastructure against damaging fault currents. Class J fuses are a cornerstone of industrial electrical safety, offering superior performance in applications where rapid response to overcurrent events is essential. The LDFJ010.T is specifically optimized for **10A current ratings**, making it ideal for protecting sensitive components in motor control circuits, transformers, and branch distribution panels. Its fast-acting design minimizes downtime by isolating faults before they escalate into costly equipment damage or safety hazards. The fuse’s compact footprint and robust housing ensure compatibility with standard Class J fuse blocks and panels, simplifying installation and maintenance. **Key applications** for the Littelfuse LDFJ010.T include: - **Power distribution systems** in manufacturing plants, where reliable fault protection is critical to prevent unplanned shutdowns. - **Motor control circuits**, including variable frequency drives (VFDs) and soft starters, where inrush currents require precise overcurrent coordination. - **Industrial machinery**, such as CNC equipment, robotics, and conveyor systems, where consistent uptime is a priority. - **Renewable energy systems**, including solar inverters and wind turbine controllers, where transient surges demand high-speed interruption. - **Data centers and telecom facilities**, where sensitive electronics require protection from voltage spikes and short circuits. Littelfuse, a global leader in circuit protection solutions, has built a reputation for innovation and reliability since its founding in 1927. The **LDFJ series** reflects the company’s commitment to meeting stringent industry standards, including UL 248-8 and CSA certification, ensuring compliance with North American electrical codes. Professionals trust Littelfuse for its **fast-acting response times**, **high interrupting ratings**, and **consistent performance** across diverse applications. The LDFJ010.T’s **10A rating** is particularly well-suited for protecting control circuits, lighting systems, and auxiliary equipment in industrial settings. **Installation and selection considerations** for the LDFJ010.T include: - **Voltage rating compatibility**: Ensure the fuse’s 600V AC/DC rating aligns with your system’s maximum voltage. - **Coordinated protection**: Pair with upstream and downstream protective devices to achieve a selective coordination strategy, reducing nuisance tripping. - **Ambient temperature**: While designed for industrial environments, verify operating conditions to maintain optimal performance. - **Mounting options**: The fuse’s standard Class J configuration allows for easy integration into existing fuse blocks or panelboards. For engineers, electricians, and facility managers seeking a **dependable, high-quality fuse** for industrial applications, the Littelfuse LDFJ010.T offers a proven solution. Its **fast-acting interruption**, **durable construction**, and **manufacturer-backed reliability** make it a preferred choice for safeguarding critical infrastructure. Whether deployed in a factory automation system, a renewable energy installation, or a commercial building’s electrical distribution network, the LDFJ010.T delivers the performance and peace of mind required in today’s demanding operational landscapes. Trust Littelfuse to provide the circuit protection solutions that keep your systems running safely and efficiently.
  • 10A current rating for precise overcurrent protection
  • Fast-acting interruption to prevent equipment damage
  • 600V AC/DC voltage rating for industrial compatibility
  • UL 248-8 and CSA certified for safety compliance
  • Compact Class J design for easy installation

Specifications

Current Rating
10 A
Series
LDFJ
Voltage Rating
600 V AC/DC
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

What technical support resources does Littelfuse offer?

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

What types of industrial protection products does Littelfuse offer?

Littelfuse provides a comprehensive range of industrial protection products including fuses, fuse holders, protection relays, motor protection devices, ground-fault protection relays, arc-flash protection relays, and pump protection controllers.

How can I access Littelfuse product information and sales tools?

Littelfuse offers multiple digital resources including Littelfuse University for training, a digital asset portal, RepFiles mobile app, and the Littelfuse Business Center website for product information, pricing, and ordering.

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 partner planning meetings at no cost.

How can distributors participate in Littelfuse's Stock Check Program?

The Stock Check Program allows distributors to display their inventory levels on Littelfuse.com, potentially driving new customers to their website. Listings are free for Littelfuse 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.