Mersen K218624 - DIN Fuse base Neozed Size D02 400VAC 63A 1-Pole with touch prot. DIN Rail mounting Clamp Strap / Screw
Mersen

K218624

Alternate Item Number: 01721.470000


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Overview

The Mersen K218624 DIN Fuse Base Neozed D02 is a 1-pole, 400VAC-rated fuse base designed for low-voltage distribution units where non-trained personnel may access and replace fuse-links. Part of Mersen’s latest Neozed D0 system, this fuse base meets the German DIN standard and is engineered for compatibility with D0 fuse-links (sizes D01, D02, D03) to protect cables and power lines from overcurrents and short-circuit currents up to their nominal breaking capacity. The K218624 supports cable cross-sections from 1.5 to 25 mm² and features clamp straps with 2 screws or screw terminals for secure connections. With touch protection, it ensures safety in applications where accidental contact with live components is a risk. The DIN rail mounting design allows for quick and tool-free installation, making it ideal for panel boards, distribution boards, and industrial control panels. Rated for 63A continuous current, this fuse base is suitable for 400VAC/250VDC networks and provides reliable circuit protection in compliance with IEC standards. The compact footprint and robust construction ensure long-term durability in demanding environments, while the standardized Neozed interface ensures compatibility with a wide range of fuse-links. Whether used in commercial, industrial, or utility applications, the K218624 delivers precise overcurrent protection with minimal maintenance requirements.
  • 1-pole DIN fuse base for 400VAC/250VDC networks
  • Supports cable cross-sections from 1.5 to 25 mm²
  • Touch protection for enhanced safety in accessible installations
  • DIN rail mounting with clamp straps or screw terminals
  • Compatible with D0 fuse-links (D01, D02, D03) for overcurrent protection

Specifications

AC Voltage Rating
400 V
Amperage Rating
63 A
Application
House incoming units Meter distribution units Distribution cabinets Installation cabinets Fuse boxes
Brand Name
Mersen
Connection
Clamp Strap / Screw
Material
Ceramic
Mounting
DIN Rail
Number Of Poles
1
Size
1.06 x 2.26 x 2.24;27 x 57.5 x 57 in;mm
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 coloured indicator un top contact Low power dissipation Optimized size Resistant to aging
Standard
DIN VDE 0636-3 DIN EN 60715
Sub Brand
Neozed®
Type
IEC D0 & D Fuse Bases
Package Dimensions (L x W x H)
1.06 in x 2.26 in x 2.24 in
Package Dimensions (L x W x H)
27 mm x 57.5 mm x 57 mm
Package Weight (Imperial)
0.205 lb
Package Weight (Metric)
0.093 kg
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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.