Littelfuse WCL004 - SPLICER BLOCK WIRE TERMINAL
Littelfuse

WCL004

UPC: 079458242874

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Specification Sheet

Contact for Pricing

Overview

The Littelfuse WCL004 Splicer Block Wire Terminal is a high-performance wire termination solution engineered for industrial environments where reliability and safety are paramount. Designed as part of Littelfuse’s trusted POWR-BLOKS™ line, this terminal provides a robust and efficient method for splicing cables, creating fixed junction tap-off points, or splitting primary power into multiple secondary circuits. Whether installed in control panels, switchgear, motor controls, or automation systems, the WCL004 ensures consistent electrical performance while minimizing installation time and maintenance costs. Key features of the WCL004 include a durable construction optimized for demanding industrial applications. The terminal is engineered to withstand vibration, temperature fluctuations, and mechanical stress, making it ideal for use in heating, ventilation, and air conditioning (HVAC) systems, elevator systems, material handling equipment, and other critical infrastructure. Its design facilitates secure wire connections, reducing the risk of loose terminations that can lead to electrical faults or downtime. For professionals seeking a dependable solution for power distribution, the WCL004 delivers unmatched reliability and ease of use. Installation is streamlined thanks to Littelfuse’s commitment to user-friendly design. The WCL004 is compatible with standard wiring practices and can be integrated seamlessly into existing electrical enclosures or control panels. Its compact form factor allows for efficient space utilization, while the robust terminal blocks ensure long-term stability. Whether used in new installations or as a replacement for outdated components, the WCL004 provides a future-proof solution that meets the rigorous demands of industrial environments. Littelfuse, a global leader in circuit protection and electrical distribution, has built a reputation for delivering high-quality components that enhance system safety and performance. The WCL004 Splicer Block Wire Terminal is no exception, offering professionals a trusted choice for power distribution and wire splicing. By selecting Littelfuse, engineers and technicians gain access to a product backed by decades of innovation and industry expertise, ensuring peace of mind in even the most challenging applications. Ideal for applications requiring reliable power distribution, the WCL004 is a versatile solution that supports a wide range of industries, including manufacturing, energy, transportation, and automation. Its ability to simplify complex wiring configurations while maintaining safety and efficiency makes it an indispensable component in modern electrical systems. For those seeking a durable, high-performance wire terminal, the Littelfuse WCL004 is the smart choice.
  • Secure and efficient wire splicing for industrial applications
  • Durable construction for vibration, temperature, and mechanical stress resistance
  • Compatible with control panels, switchgear, motor controls, and automation systems
  • Streamlined installation for reduced labor and maintenance costs
  • Backed by Littelfuse’s reputation for high-quality electrical components

Specifications

Connection Type
Screw Terminal
Material
High-quality industrial materials
Series
POWR-BLOKS
The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This Generation 2 (Gen2) model offers enhanced features for efficient installation and configuration. It supports multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid wire. The FBC60J30I is DIN-rail mountable, providing a compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating for added safety. Manufactured in the US.

FBC60J30I

The Mersen FBC60J30I is an open-style Class J fuse block designed for 600V applications, accommodating fuses from 0-100A. This Generation 2 (Gen2) model offers enhanced features for efficient installation and configuration. It supports multiple connector types, including screw, pressure plate, and box connectors, ensuring compatibility with a wide range of stranded or solid wire. The FBC60J30I is DIN-rail mountable, providing a compact footprint compared to traditional fuse blocks. Its dovetail nesting capability allows for easy field assembly of multipole configurations. When paired with Mersen’s newly designed dead front covers, the fuse bases achieve an IP20 rating for added safety. Manufactured in the US.
The new Littelfuse Class H and R blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.

LFR25100-1CID

The new Littelfuse Class H and R blocks offer many advantages over previous generations that are noted in the features and benefits section. Class H and Class R fuse blocks are dimensionally the same, but Class R blocks incorporate a rejection feature, which only allows Class R fuses to be inserted.
D4/8.SFT2.I.ADO

1SNA399777R1200

D4/8.SFT2.I.ADO

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.