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Littelfuse ESR3XLDB0630XI - The Littelfuse ESR3XLDB0630XI is a high-performance electronic component designed for industrial applications requiring precision and durability. Engineered to meet rigorous standards, this product ensures reliable operation in harsh environments, making it ideal for automation, power distribution, and control systems. With advanced technology and robust construction, the ESR3XLDB0630XI delivers consistent performance, reducing downtime and enhancing system efficiency. Trust Littelfuse for superior quality and innovation in electronic components.

Littelfuse ESR3XLDB0630XI The Littelfuse ESR3XLDB0630XI is a high-performance electronic component designed for…

Alternate Item Number: ESR3XLDB0630XI

UPC: 079458381535


Documents & Media
Specification Sheet

Contact for Pricing

Minimum Qty: 7

Multiplier: 7

*Contact for lower quantities*

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

Overview

The Littelfuse ESR3XLDB0630XI (SKU: ESR3XLDB0630XI) is a medium voltage fuse designed for reliable protection in industrial electrical systems. Part of Littelfuse's comprehensive E- and R-rated fuse portfolio, this component safeguards critical infrastructure including transformers, potential transformers, feeders, and motor circuits against overcurrent and short-circuit conditions. The ESR3XLDB0630XI is available in single, double, and triple barrel designs to accommodate a wide range of current, voltage, and interrupting ratings, ensuring compatibility with diverse application requirements. Installation flexibility is provided through multiple mounting configurations: conventional ferrule type for panel mounting, clip lock for secure retention, and bolt-in designs for direct attachment to bus bars or equipment frames. This versatility enables seamless integration into both new installations and existing systems without requiring extensive reconfiguration. The fuse's robust construction delivers dependable performance in standard industrial environments as well as specialized applications where hazardous conditions may be present. Hermetically sealed variants are available for applications requiring protection in explosive or contaminated atmospheres. By preventing damage from fault conditions, the ESR3XLDB0630XI minimizes unplanned downtime and extends the operational life of protected equipment. This makes it a cost-effective solution for electrical engineers and maintenance professionals responsible for maintaining system reliability in medium voltage distribution networks. The product's UNSPSC classification (39121628) identifies it as a control and distribution component suitable for integration into industrial power management infrastructures.
  • E- and R-rated medium voltage fuse for transformer, feeder, and motor circuit protection
  • Available in single, double, and triple barrel designs for current/voltage flexibility
  • Mounting options: conventional ferrule type, clip lock, and bolt-in configurations
  • Hermetically sealed variants for hazardous environment applications
  • UNSPSC 39121628: Control and distribution component for industrial power systems

Specifications

Series
ESR3XLDB
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 Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
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 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 is the voltage rating for the ESR series fuses?

The ESR series fuses have a voltage rating of 1500 V dc.

What is the amperage rating range for these fuses?

The amperage rating for the ESR series fuses ranges from 125 A to 630 A.

What is the interrupting rating of the ESR series fuses?

The interrupting rating for the ESR series fuses is 250 kA.

What standards do the ESR fuses conform to?

The ESR fuses conform to UL 248-13 and IEC 60269-7 battery standards.

What are the available mounting styles for ESR fuses?

The ESR fuses are available in bolted-blade style and DIN-blade style.

Are there options for blown-fuse indication?

Yes, an optional internal visual blown-fuse indicator and an optional microswitch accessory for external indication are available.

What are the typical applications for ESR series fuses?

They are designed for battery energy storage systems (BESSs), power conversion systems, DC common bus systems, and hybrid PV-BESS inverters.

What is the weight of the NH 1XL and NH 3XL fuses?

The NH 1XL fuses weigh 2.2 lbs (998 g), and the NH 3XL fuses weigh 4.4 lbs (1996 g).

What are the operating and storage temperature ranges?

The operating temperature range is -55 °C to +125 °C, and storage temperature is up to +35 °C.

What is the minimum breaking capacity (MBC) of these fuses?

The minimum breaking capacity is from 300% or 3 times the fuse's rated current to 250 kA.

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.