Mersen B080639 - CC1000C1GRK76.142TD800
Mersen

B080639

Alternate Item Number: 3605340040814

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Overview

The Mersen B080639 is a BS88/BS88P compliant high-speed fuse link engineered for low-voltage industrial applications requiring precise fault protection. Designed for 690V AC systems (460V DC), this fuse link delivers a rated breaking capacity of 80kA at 690V AC and 40kA at 460V DC, ensuring rapid interruption of fault currents to protect critical infrastructure. Available in current ratings from 32A to 400A, the B080639 supports applications in manufacturing, energy distribution, and industrial automation where reliability and compliance with international standards are non-negotiable. Key specifications include: - Rated voltage: 690V AC / 460V DC - Current ratings: 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 250A, 315A, 350A, 400A - Breaking capacity: 80kA AC / 40kA DC - Pre-arcing I²t: 8,500–14,000 A²s (varies by rating) - Clearing I²t: 48,500–80,000 A²s (varies by rating) - Power dissipation: 4.7–6.0W (depending on current rating) - Weight: 0.12kg (32–125A), 1.4kg (670–800A) - Compliance: BS88, IEC 60269-2 The B080639 is optimized for use in fuse-holders such as Mersen’s BFF (front-front connection) and BFB (front-back busbar connection) series, ensuring compatibility with offset blade and central bolted tag fuse-links. Its compact design and low power dissipation contribute to energy efficiency and reduced thermal stress in panel installations. Ideal for protecting transformers, motors, and distribution systems, this fuse link minimizes downtime by isolating faults faster than conventional fuses, thereby safeguarding personnel and equipment. Mersen’s global reputation for industrial safety solutions is reinforced by the B080639, a product trusted in petrochemical plants, renewable energy installations, and heavy manufacturing environments. With a country of origin in the US and distributed by Gross Automation, the B080639 is backed by Mersen’s commitment to quality and adherence to stringent industry standards. For engineers and procurement professionals seeking a reliable, high-performance fuse link for BS88 systems, the B080639 delivers measurable reliability and compliance in a single, field-proven component.
  • BS88/BS88P compliant high-speed fuse link for 690V AC (460V DC) systems
  • Rated breaking capacity: 80kA AC / 40kA DC
  • Available in current ratings from 32A to 400A
  • Pre-arcing I²t: 8,500–14,000 A²s; Clearing I²t: 48,500–80,000 A²s
  • Compatible with Mersen BFF and BFB fuse-holders for offset blade and central bolted tag fuse-links
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.