Littelfuse EL731-11-00 - EL731-11-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™.
Littelfuse

EL731-11-00

Alternate Item Number: EL731-11-00

UPC: 079458977806


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Overview

The Littelfuse EL731-11-00 is an earth-leakage relay designed for industrial applications requiring precise ground fault detection. This unit features a versatile dual supply voltage rating, accepting either 24VAC or 48VDC, ensuring compatibility with a range of power systems. Communication capabilities are integrated via the DeviceNet™ protocol, allowing for straightforward integration into industrial automation networks and control systems. The EL731-11-00 provides critical protection against earth leakage faults, helping to safeguard personnel and prevent damage to electrical equipment. Its robust construction is suitable for demanding industrial environments. Key specifications include: SKU: EL731-11-00, Manufacturer: Littelfuse, Supply Voltage: 24VAC / 48VDC, Communication: DeviceNet™, UNSPSC Code: 39122331, Country of Origin: US. This relay is an essential component for maintaining operational safety and reliability in industrial electrical installations.
  • Earth-Leakage Relay for industrial applications
  • Dual Supply Voltage: 24VAC or 48VDC
  • DeviceNet™ Communication for network integration
  • SKU: EL731-11-00
  • Manufacturer: Littelfuse

Specifications

Application
NA
Brand Name
Littelfuse
Series
EL731
Special Features
Adjustable pickup
Standard
UL, CSA, C-Tick
Sub Brand
EL731 Series
Type
Protection Relay
Voltage Rating
24 VAC / 48 VDC
Voltage Rating
24VAC/48VDC
Voltage Rating
24VAC / 48VDC
Package Dimensions (L x W x H)
5 IN x 3.8 IN x 1.9 IN
Package Dimensions (L x W x H)
12.7 cm x 9.652 cm x 4.826 cm
Package Weight (Imperial)
1.100 L
Package Weight (Metric)
0.500 kg

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EL731-01-00


Voltage Rating: 120–240 V AC/DC

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.