Mersen N1068638 - Fuse-link gBAT 1500VDC Size 1XL 125A With DIN Type Blades For Direct Mount
Mersen

N1068638

Alternate Item Number: 15NH1XLGBAT125B


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Specification Sheet

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Overview

The Mersen N1068638 is a 1500VDC, 125A NH1XL gBAT fuse-link designed for robust battery system protection. Engineered to comply with the IEC 60269-7 standard for battery protection, this fuse offers full-range protection against both minor overcurrents and significant DC fault currents up to 150kA. Its NH1XL size and DIN type blades facilitate direct mounting, ensuring a secure and reliable connection. The gBAT series is specifically developed for the demanding requirements of battery energy storage systems (BESS), photovoltaic applications, and other high-voltage DC circuits. This fuse-link provides essential overcurrent and short-circuit protection, safeguarding critical infrastructure. Key specifications include a rated voltage of 1500VDC and a nominal current of 125A. Manufactured by Mersen, a leader in electrical protection, the N1068638 offers dependable performance and safety for your DC power systems. Its construction ensures good thermal and mechanical withstand ratings, suitable for various operational conditions.
  • 1500VDC Rated Voltage
  • 125A Nominal Current
  • NH1XL Size
  • gBAT Type for Battery Protection
  • DIN Type Blades for Direct Mount
  • IEC 60269-7 Compliant
  • Full-range protection for overcurrents and DC fault currents up to 150kA

Specifications

Amperage Rating
125 A
Application
Electrical energy storage Battery storage system Line protection between battery system and DC/DC converter or battery inverter DC grid protection
Brand Name
Mersen
Connection
DIN Type Blades
Connection Material
Silver-Plated Copper
DC Voltage Rating
1500 V
Mounting
Direct Mount
Size
7.56 x 1.56 x 2.07 in
Size
192 x 39.5 x 52.5 mm
Special Features
Design for DC applications Full range breaking capacity Low watt losses Minimum breaking capacity 2IN High cycling performance High interrupting rating up to 150kA
Standard
IEC 60269-7 RoHS compliance
Type
Battery Energy Systems
Package Dimensions (L x W x H)
7.56 in x 1.56 in x 2.07 in
Package Dimensions (L x W x H)
192 mm x 39.5 mm x 52.5 mm
Package Weight (Imperial)
1.521 lb
Package Weight (Metric)
0.690 kg
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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.

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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.
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.