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Littelfuse LFPSJ30-3ID - LFPSJ303ID is an indicating Class J dead front fuse holder with a maximum ampere rating of 30.

Littelfuse LFPSJ30-3ID LFPSJ303ID is an indicating Class J dead front fuse holder with a maximum ampere rating…

Alternate Item Number: LFPSJ303.ZXID

UPC: 079458188783


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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Littelfuse LFPSJ30-3ID is a 3-pole, Class J dead front fuse holder designed for industrial electrical protection. It features an IP20 finger-safe design, providing enhanced personnel safety. This fuse holder is DIN rail mountable for straightforward installation and removal without additional tools. The LFPSJ30-3ID offers dual LED indication, which is beneficial for distinguishing polarity in DC power applications. It operates within a voltage range of 110V to 600V AC/DC and has a maximum ampere rating of 30A. Constructed from UL94 V-0 rated thermoplastic, it ensures durability. The fuse holder is UL Listed (File: E14721) and CSA Certified (File: 2529839). It is compatible with Class J fuses including JTD, JTD_ID, and JLS, and boasts an interrupting rating of 200 kA. The pressure plate terminal type accepts stranded wire from 18 AWG to 1 AWG, with recommended torque settings of 2.5 N-m for smaller wires and 4.0 N-m for larger wires. Applications include power distribution panels, motor control centers, and machinery protection. The LFPSJ series is available in 1-, 2-, and 3-pole configurations, with both indicating and non-indicating options.
  • Class J dead front fuse holder with IP20 finger-safe design for personnel protection.
  • 3-pole configuration with 30A maximum ampere rating and 200 kA interrupting rating.
  • DIN rail mountable for easy installation and removal.
  • Dual LED indication for distinguishing polarity in DC power applications.
  • Constructed from UL94 V-0 rated thermoplastic for durability.

Specifications

Brand Name
Littelfuse
Current Rating
30 A
Mounting Type
Dead Front
Series
Class J
Series
LFPSJ
Series
LFPSJ30-3ID
Special Features
Small compact design offers ultimate flexibility
Standard
UL Listed CSA
Sub Brand
LFPSJ Series Fuseholder
Type
Class J Fuseholder
LFPSJ302ID is an indicating Class J dead front fuse holder with a maximum ampere rating of 30.

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LFPSJ302ID is an indicating Class J dead front fuse holder with a maximum ampere rating of 30.
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Frequently Asked Questions

What is the voltage rating for the Littelfuse LFPSJ30-3ID?

The Littelfuse LFPSJ30-3ID has a voltage rating of 600V AC and 600V DC.

What type of fuses is compatible with the LFPSJ30-3ID?

The LFPSJ30-3ID is designed for use with Class J fuses, including JTD, JTD_ID, and JLS fuse types.

Does the LFPSJ30-3ID offer visual indication of a blown fuse?

Yes, the LFPSJ30-3ID is an indicating fuse holder with dual LED indication, which helps distinguish polarity in DC power applications and signals a blown fuse.

How is the LFPSJ30-3ID fuse holder mounted?

The LFPSJ30-3ID is designed for 35mm DIN rail mounting, allowing for easy installation.

What is the interrupting rating of this fuse holder?

The Littelfuse LFPSJ30-3ID has an interrupting rating of 200 kA.

What is the terminal type on the LFPSJ30-3ID?

The LFPSJ30-3ID features pressure plate terminals.

What wire sizes can be connected to the LFPSJ30-3ID?

The fuse holder accommodates stranded wire sizes from 18 AWG to 1 AWG.

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.