Littelfuse LS2572-3 - SPLICER BLOCK (REPLACED BY LFS25723Z). POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.
Littelfuse

LS2572-3

Alternate Item Number: 0LS25723Z

UPC: 079458015027

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Contact for Pricing

Overview

The Littelfuse LS2572-3 POWR-BLOKS power distribution block (SKU: LS2572-3) provides a secure and efficient method for splicing cables, establishing fixed junction tap-off points, or splitting primary power into secondary circuits. Designed for industrial applications, this block features integral DIN-rail mounting for straightforward installation in control panels, switchgear, and equipment enclosures. The LX2XXX-DIN series, to which this block belongs, offers an optional hinged safety cover, enhancing operational safety by preventing accidental contact with live terminals. Typical applications include HVAC systems, elevator controls, material handling equipment, motor controls, and any scenario requiring reliable power distribution to multiple loads. This specific model, LS2572-3, has been superseded by the LFS25723Z, which offers updated specifications and compatibility. Ensure proper power management and circuit segmentation with Littelfuse's robust distribution solutions. Key specifications: - Series: LX2XXX-DIN - Mounting Type: Integral DIN-rail - Optional: Hinged safety cover - UNSPSC Code: 39121629 - Country of Origin: US The LS2572-3 is part of Littelfuse’s POWR-BLOKS family, a trusted line of power distribution blocks engineered for industrial environments. Its DIN-rail mounting simplifies installation and integration into existing systems, reducing labor costs and setup time. The block’s design supports secure cable splicing and tap-off points, ensuring reliable power distribution without complex wiring harnesses. For applications requiring enhanced safety, the optional hinged cover provides an additional layer of protection against accidental contact with live terminals. Littelfuse, a leader in circuit protection and power management, delivers the LS2572-3 as a dependable solution for engineers and technicians managing power distribution in demanding industrial settings. Choose this block for its durability, ease of installation, and compatibility with a wide range of industrial equipment.
  • Integral DIN-rail mounting for easy installation in control panels and enclosures
  • Secure splicing and tap-off points for reliable power distribution
  • Optional hinged safety cover to prevent accidental contact with live terminals
  • Part of Littelfuse’s POWR-BLOKS series for industrial power management
  • Replaced by LFS25723Z; ensure compatibility with updated specifications

Specifications

Application
Anywhere power needs to be distributed to more than one load
Brand Name
Littelfuse
Connection Type
Screw Terminal
Mounting Type
DIN-Rail
Series
LX2XXX-DIN
Standard
UL Listed and CSA Certified RoHS
Sub Brand
LS Series
Package Dimensions (L x W x H)
3 IN x 3 IN x 4 IN
Package Dimensions (L x W x H)
7.62 cm x 7.62 cm x 10.16 cm
Package Weight (Imperial)
0.150 L
Package Weight (Metric)
0.068 kg
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.
POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.

LD4551-3

POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover.
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.