Mersen K322055 Square Body High-Speed Fuse Protistor® NH Size 000 gS 690VAC IEC 700VAC UL 63A With…
Alternate Item Number: NH000GS69V63PV
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Overview
- 63A continuous current rating with 690VAC (IEC) / 700VAC (UL) voltage rating
- gS class per IEC 60269-4 for fast-acting, highly current-limiting protection
- Pure silver fuse elements in solidified sand for superior arc control and low I²t (275 A²s pre-arcing, 1545 A²s clearing)
- Square body design compatible with NH modular systems (DIN 43620/00) and standard fuse-holders
- Double indicator with optional microswitch activation for remote monitoring
Specifications
AC Voltage Rating | 700 V |
Amperage Rating | 63 A |
Application | Protection of inverters, motor drives, UPS systems and similar 700V or less equipments. |
Brand Name | Mersen |
Case | Ceramic |
Mounting | Clip |
Size | 3.09 x 0.83 x 2.07 in |
Size | 78.5 x 21 x 52.5 mm |
Special Features | Multiple body sizes gS Class according to IEC 60269-4 Low I²t for improved semiconductor protection Fast acting Highly current limiting Excellent cycling capability Reduced power dissipation No derating in standard NH fusegear High widstanding against inrush current and overloads |
Standard | IEC 60269-4 Compliance UL/CSA Recognized Component CCC GB 1359.4 |
Sub Brand | Protistor® |
Type | NH square Body High-Speed Fuse-Links AC Protection |
Type Of Indicators | Double indicator |
Voltage Rating | 700 V |
Wattage | 11 W |
Package Dimensions (L x W x H) | 3.09 in x 0.83 in x 2.07 in |
Package Dimensions (L x W x H) | 78.5 mm x 21 mm x 52.5 mm |
Package Weight (Imperial) | 0.279 lb |
Package Weight (Metric) | 0.127 kg |
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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
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.
Frequently Asked Questions
Is the K322055 compatible with standard NH fuse-holders?
Yes, the K322055 features a square body design compatible with standard NH fuse-holders per DIN 43620/00.
What semiconductor devices can the K322055 protect?
The K322055 is designed for protection of diodes, thyristors, GTOs, and IGBTs in power conversion applications.
Does the K322055 have a double indicator?
Yes, the K322055 includes a double indicator for visual status confirmation of fuse operation.
What is the voltage rating of the K322055?
The voltage rating is 690VAC (IEC) / 700VAC (UL), suitable for high-voltage applications.
What is the interrupting capacity of the K322055?
The K322055 has an interrupting capacity of 160 kA, ensuring reliable protection under fault conditions.
What is the pre-arcing I²t value for the K322055?
The pre-arcing I²t value is 275 A²s, indicating fast response to overcurrent conditions.
What is the power dissipation of the K322055 at rated current?
The power dissipation is 200W at the rated current of 63A.
What is the weight of the K322055?
The K322055 weighs 0.13 kg, making it suitable for space-constrained installations.
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.