Mersen MDC08B125B Fuse MDC08B - DC Distribution 80VAC 80VDC 125A Type Battery Module Bolted
Alternate Item Number: MDC08B125B
UPC: 782001510572
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Rated for 80VDC and 125A continuous current
- Minimum breaking capacity (MBC) of 2.0 x In at rated voltage
- Maximum interrupting rating of 10kA @ 80VDC
- Slow melting time for coordination with upstream fuses
- UL-recognized components (File E60314)
Specifications
AC Voltage Rating | 80 V |
Amperage Rating | 125 A |
Application | Battery modules protection Stationary DC systems Battery systems |
Body Material | Melamine fiber glass |
Connection | Bolted |
Connection Material | Tin-Plated Copper |
Connection Type | Bolted |
Current Rating | 125A |
DC Voltage Rating | 80 V |
Mounting | Bolted |
Series | MDC08B |
Size | 3.19 x 0.63 x 0.4 in |
Size | 81.026 x 16.002 x 10.16 mm |
Special Features | Designed for DC applications Low watt losses High cycling performance Low & high current interrupting capability Ultra compact size |
Standard | UL Recognized Components (all products) E60314 |
Type | DC Fuses |
Voltage Rating | 80VDC Volts |
Package Dimensions (L x W x H) | 3.19 in x 0.63 in x 0.4 in |
Package Dimensions (L x W x H) | 81.026 mm x 16.002 mm x 10.16 mm |
Package Weight (Imperial) | 0.040 lb |
Package Weight (Metric) | 0.018 kg |
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Frequently Asked Questions
What is the primary application for the MDC08B fuse?
The MDC08B fuse is designed for the protection of battery modules in DC applications.
Are MDC08B fuses suitable for AC applications?
No, the MDC08B fuses are designed specifically for DC applications.
What is the rated voltage for the MDC08B series fuses?
The MDC08B series fuses have a rated voltage of 80V DC.
What is the current rating range for MDC08B fuses?
The MDC08B fuses are available in a rated current range from 35A to 500A.
What type of protection does the MDC08B offer during shipping?
The MDC08B provides back-up protection to the battery module during shipping, transportation, and handling.
What approvals or standards does the MDC08B series meet?
The MDC08B series is UL Recognized Components (all products) with the E60314 designation.
What is the interrupting rating for the MDC08B series?
The interrupting rating for the MDC08B series is 10kA @ 80VDC L/R ≤1ms.
What is a key characteristic of the MDC08B fuse's melting time?
The MDC08B fuse is designed to have a slow melting time to ensure coordination with upstream fuses.
What is the time constant for MDC08B fuses?
The DC Time Constant L/R for MDC08B fuses is ≤1 ms.
What is the purpose of the slow melting time in MDC08B fuses?
The slow melting time ensures coordination with upstream fuses, protecting the battery during shipping and within a system.
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.