Mersen R215088 DIN D Fuse-link gG Size DII 500VAC 500VDC 63A Color code Copper
Alternate Item Number: DIIIGG50V63
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Overview
- Mersen R215088 DIN D fuse-link
- Size DII, 63A rated current
- 500V AC / 500V DC operating voltage
- gG (full-range) protection characteristic
- Copper color for easy identification
- Breaking capacity: Suitable for industrial short-circuit protection
- Compatibility: Fits DII fuse bases and accessories
- Applications: Low-voltage distribution, control panels, machinery
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 |
Connection Type | Screw Terminal |
Current Rating | 63A |
DC Voltage Rating | 500 V |
Interrupt Rating | 50 kA |
Material | Copper |
Mounting | Clip |
Mounting Type | Panel Mount |
Series | D fuse-system |
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 |
Utilization Category | gG |
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) | 0.114 lb |
Package Weight (Metric) | 0.052 kg |

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
What is the voltage range for Mersen D fuse-links gG?
The voltage range for these fuse-links is 500 to 690 VAC and 500 VDC.
Are Mersen D fuse-links gG lead-free and RoHS compliant?
Yes, these fuse-links are free of lead, cadmium, mercury, and chrome 6, making them RoHS compliant.
What is the current range for D fuse-links gG?
The ampere range for D fuse-links gG is from 2 A to 200 A.
What standards do Mersen D fuse-links gG comply with?
These fuse-links comply with the DIN VDE 0636-301 standard.
What applications are Mersen D fuse-links gG suitable for?
They are suitable for low voltage distribution units, house incoming units, meter distribution units, distribution cabinets, installation cabinets, and fuse boxes.
How do D fuse-links gG protect equipment and installations?
They limit and cut-off unacceptable overcurrents and short circuit currents, and protect against dynamic effects of high short circuit currents.
What is the breaking capacity of D fuse-links gG?
The AC breaking capacity (IEC) for these fuse-links is 50 kA.
What are the dimensions for the D fuse-links sizes?
The dimensions vary by size: NDZ is 50x12 mm, DII is 50x22 mm, DIII is 50x27 mm, DIV is 63x37 mm, and DV is 63x45 mm.
What is the power dissipation for DIIIGG50V63?
The power dissipation at In for the DIIIGG50V63 is 6 W.
What is the weight of a single DIIIGG69V63 fuse-link?
The weight of a single DIIIGG69V63 fuse-link is 73.58 g.
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.



