Mersen A720T1E-1 Medium Voltage Potential Transformer Fuse 7200VAC 1A Ferrule Amp-Trap®
Alternate Item Number: A720T1E-1
UPC: 782001801779
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Overview
- 7200 VAC maximum voltage rating
- 1 Ampere current rating
- 50kA RMS symmetrical interrupting rating
- Ferrule-type design with 0.625in (15.9mm) ferrule length
- 9.5in (241mm) total length, 0.812in (20.6mm) diameter
- Mounts in standard clips with 8.88in (227mm) clip centers
- Non-venting design for silent operation
- Metal-embossed catalog number and date for identification
- Part of Mersen's Amp-Trap® Series for potential transformer protection
Specifications
AC Voltage Rating | 7200 V |
Amperage Rating | 1 A |
Application | Primary protection for potential transformers (PT) or control power transformers (CPT) |
Body Material | GMG |
Brand Name | Mersen |
Connection | Ferrule |
Connection Material | Tin-Plated Copper |
Connection Type | Ferrule |
Current Rating | 1 A |
Interrupt Rating | 50 kA |
Mounting | Clip |
Mounting Type | Standard clips |
Series | Amp-Trap® |
Size | 9.5 x 0.81 in |
Size | 241.3 x 20.625 mm |
Size | 0.812 inches (20.6 mm) diameter, 9.5 inches (241 mm) length |
Special Features | Ferrule mounting for standard clips and interchangeability with other brands of fuses Current-limiting for superior equipment protection Non-venting for silent operation Metal embossed catalog number and manufacturing date for lasting identification Blown-fuse indicator to give positive identification of open fuse fuse is available on the 9F60 series |
Sub Brand | Amp-Trap® |
Type | Potential Transformer Protection Fuses |
Voltage Rating | 7200 VAC |
Package Dimensions (L x W x H) | 9.5 in x 0.81 in x 0.81 in |
Package Dimensions (L x W x H) | 241.3 mm x 20.625 mm x 20.625 mm |
Package Weight (Imperial) | 0.500 lb |
Package Weight (Metric) | 0.227 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
What is the maximum voltage for the A720T series fuses?
The A720T series fuses have a maximum voltage rating of 7.2kVAC.
What is the interrupting rating for A720T fuses?
The A720T series fuses have an interrupting rating of 50kA Sym.
What amp ratings are available for the A720T series?
The A720T series is available in amp ratings from 0.5A to 3A.
What is the diameter of the A720T series fuses?
The diameter for the A720T series fuses is 0.812 inches (20.6 mm).
What is the overall length of the A720T series fuses?
The overall length of the A720T series fuses is 9.5 inches (241 mm).
What is the ferrule length for A720T series fuses?
The ferrule length for the A720T series fuses is 0.625 inches (15.9 mm).
Are A720T fuses available with a blown-fuse indicator?
No, the A720T series fuses are not available with a blown-fuse indicator.
What are Mersen PT fuses used for?
Mersen PT fuses are used for the primary winding protection of potential transformers (PT) or control power transformers (CPT).
What type of mounting do Mersen PT fuses use?
Mersen PT fuses are ferrule mounting type and mount in standard clips.
What is the current rating range for Mersen PT fuses?
Current ratings for Mersen PT fuses range from 0.25A to 5A.
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.