Mersen K1068658 - Fuse-link gBAT 1500VDC Size 3L 350A With DIN Type Blades For Direct Mount
Mersen

K1068658

Alternate Item Number: 15NH3LGBAT350B


Documents & Media
Specification Sheet

Contact for Pricing

Overview

Mersen NH gBat fuse-link K1068658 is engineered for battery system protection in 1500VDC applications. This Size 3L fuse features a 350A rating and DIN-type blades for direct mounting, eliminating the need for additional adapters. Compliance with IEC 60269-7 (gBat type) ensures full-range protection from small overcurrents to DC fault currents up to 150kA. The NH gBat series covers multiple ratings across 1000VDC and 1500VDC systems, with options for bolted or plain blades. Designed for battery energy storage systems (BESS), solar farms, and industrial DC power applications, these fuses provide reliable fault interruption and overload protection. The K1068658 is part of Mersen’s NH gBat line, which is optimized for high-capacity battery protection where safety and durability are critical. The gBat fuse-links are specifically designed to meet the stringent requirements of DC applications, offering enhanced performance and safety. Their robust construction ensures reliable operation in demanding environments, making them an ideal choice for critical power infrastructure.
  • 1500VDC rated fuse-link for battery system protection
  • Size 3L with 350A current rating
  • DIN-type blades for direct mounting
  • Complies with IEC 60269-7 (gBat type)
  • Handles DC fault currents up to 150kA

Specifications

Amperage Rating
350 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
Connection Type
DIN Type Blades for Direct Mount
Current Rating
350 A
DC Voltage Rating
1500 V
Material
Fuse elements in pure silver, caps in silver-plated brass, body in melamine fiber glass
Mounting
Direct Mount
Mounting Type
Direct Mount
Series
NH gBat
Size
8.07 x 2.76 x 2.91 in
Size
205 x 70 x 74 mm
Size
Size 3L
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
Voltage Rating
1500 VDC
Package Dimensions (L x W x H)
8.07 in x 2.76 in x 2.91 in
Package Dimensions (L x W x H)
205 mm x 70 mm x 74 mm
Package Weight (Imperial)
3.660 lb
Package Weight (Metric)
1.660 kg
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 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 Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
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 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.