Mersen A3T3 Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 3A Ferrule Amp-Trap®
Alternate Item Number: A3T3
UPC: 782001890032
Documents & Media
Contact for Pricing
Minimum Qty: 10
Multiplier: 10
*Contact for lower quantities*
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Class T fast-acting fuse with 3A rating
- Operates at 300VAC and 160VDC
- Interrupting rating: 200kA RMS AC, 50kA RMS DC
- Glass melamine body for dimensional stability
- Blade-stamped catalog numbers for permanent identification
Specifications
AC Voltage Rating | 300 V |
Amperage Rating | 3 A |
Application | Load centers Panelboards Switchboards Circuit breakers Metering centers |
Body Material | GMG |
Brand Name | Mersen |
Class | Class T |
Connection | Ferrule |
Connection Material | Copper |
Connection Type | Ferrule |
Current Rating | 3A |
DC Voltage Rating | 160 V |
Interrupt Rating | 200 kA |
Material | Glass Melamine |
Mounting | Clip |
Series | A3T |
Size | 0.88 x 0.41 in |
Size | 22.352 x 10.414 mm |
Special Features | Extremely current-limiting for low peak let-thru current Unique dimensions prevent replacement by other fuse classes Blade-stamped catalog numbers for permanent identification Small physical size for greater design flexibility |
Standard | UL listed to standard 248-15 File E2137 CSA certified to standard C22.2 no. 248.15 DC listed to UL standard 248 |
Sub Brand | Amp-Trap® |
Type | Class T |
Voltage Rating | 300 VAC |
Package Dimensions (L x W x H) | 0.88 in x 0.41 in x 0.41 in |
Package Dimensions (L x W x H) | 22.352 mm x 10.414 mm x 10.414 mm |
Package Weight (Imperial) | 0.012 lb |
Package Weight (Metric) | 0.005 kg |
GPM-SRR90
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
C331156
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 are the voltage ratings for the A3T fuses?
The A3T fuses have ratings of 300VAC and 160VDC.
What is the ampere range for A3T fuses?
A3T fuses are available in ampere ratings from 1 to 1200A.
What is the interrupting rating for A3T fuses?
A3T fuses have an interrupting rating of 200kA I.R. AC and 50kA I.R. DC.
What are the voltage ratings for the A6T fuses?
The A6T fuses have ratings of 600VAC and 300VDC.
What is the ampere range for A6T fuses?
A6T fuses are available in ampere ratings from 1 to 800A.
What is the interrupting rating for A6T fuses?
A6T fuses have an interrupting rating of 200kA I.R. AC and 100kA I.R. DC.
What are the key features of A3T and A6T fuses?
These fuses are fast-acting, extremely current-limiting, have a small physical size, and include DC ratings.
What applications are A3T and A6T fuses suitable for?
They are suitable for loadcenters, panelboards, switchboards, circuit breakers, and metering centers.
What approvals do A3T and A6T fuses have?
They are UL listed to standard 248-15 and CSA certified to standard C22.2 no. 248.15.
What material are the bodies of these fuses made from?
The fuses have glass melamine bodies for superior dimensional stability.
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.