Mersen M200709 - DIN D Fuse-link gG/Flink Size DII 500VAC 500VDC 63A Color code Copper
Mersen

M200709

Alternate Item Number: DIIIFK50V63


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Specification Sheet

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Overview

The Mersen M200709 is a DII size DIN D fuse-link from the 'flink' range, designed for overcurrent protection in low-voltage distribution systems. This fast-acting fuse-link offers reliable protection for electrical equipment with a rated voltage of 500VAC and 500VDC, and a significant rated current of 63A. The DIN D fuse-system, a foundational element of German DIN standards, remains prevalent in many existing installations, particularly where ease of replacement by non-specialized personnel is a consideration. The Mersen 'flink' series, including this DII size, provides rapid interruption of fault currents, distinguishing it from slower-acting gG fuse-links. This specific model features a copper color code for easy identification. Manufactured by Mersen, a recognized leader in electrical protection, the M200709 (SKU: M200709, UNSPSC: 39121619) ensures dependable performance. Its robust construction and precise ratings make it suitable for applications demanding quick and effective overcurrent protection, safeguarding equipment integrity within its specified parameters. The DII size is part of a range that includes NDZ and DIII sizes, catering to various protection needs.
  • Mersen DII size 'flink' DIN D fuse-link
  • Rated Voltage: 500VAC / 500VDC
  • Rated Current: 63A
  • Fast-acting for rapid overcurrent protection
  • Copper color code for easy identification

Specifications

AC Voltage Rating
500 V
Amperage Rating
63 A
Application
House incoming units Meter distribution units Distribution cabinets Installation cabinets Fuse boxes
Body Material
Ceramic
Brand Name
Mersen
Color
Copper
Current Rating
63A
DC Voltage Rating
500 V
Material
Copper
Mounting
Clip
Series
D flink fuse range
Size
1.97 x 1.06 in
Size
50 x 27 mm
Size
DII
Special Features
Insulated body suitable for high mechanical and thermal impacts Top and bottom contacts made of nickel plated copper alloy Safe cut-off short circuits and over currents due to special design of fuse element Clear indication of operation condition due to coloured indicator on top contact Low power dissipation Optimized size Resistant to aging Free of lead, cadmium, mercury, chrome 6 (rohs conformity)
Standard
DIN VDE 0636-301
Type
DIN LV Fuse-Links D
Voltage Rating
500 VAC
Package Dimensions (L x W x H)
1.97 in x 1.06 in x 1.06 in
Package Dimensions (L x W x H)
50 mm x 27 mm x 27 mm
Package Weight (Imperial)
0.116 lb
Package Weight (Metric)
0.053 kg
DIN D Fuse-link gG Size DII 690VAC 63A Color code Copper

H222164

DIN D Fuse-link gG Size DII 690VAC 63A Color code Copper
Littelfuse fast-acting French Cylindrical (gL-gG) fuses are used for the protection of cables against short circuits. Time-lag (aM) fuses are used for protection of motors.

CY14X51G16

Littelfuse fast-acting French Cylindrical (gL-gG) fuses are used for the protection of cables against short circuits. Time-lag (aM) fuses are used for protection of motors.

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.