Mersen A3T175 Fuse A3T - Class T - Fast-Acting 300VAC 160VDC 175A Blade Amp-Trap®
Alternate Item Number: A3T175
UPC: 782001890223
Documents & Media
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Rated 175A for high-current applications
- Voltage rating: 300VAC / 160VDC
- Interrupting rating: 200kA AC, 50kA DC
- Glass melamine body with permanent catalog marking
- Blade-type connection for secure installation
Specifications
AC Voltage Rating | 300 V |
Amperage Rating | 175 A |
Application | Load centers Panelboards Switchboards Circuit breakers Metering centers |
Body Material | GMG |
Brand Name | Mersen |
Class | Class T |
Connection | Blade |
Connection Material | Copper |
DC Voltage Rating | 160 V |
Interrupt Rating | 200 kA |
Mounting | Bolted |
Size | 2.44 x 1.06 in |
Size | 61.976 x 26.924 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) | 2.44 in x 1.06 in x 1.06 in |
Package Dimensions (L x W x H) | 61.976 mm x 26.924 mm x 26.924 mm |
Package Weight (Imperial) | 0.161 lb |
Package Weight (Metric) | 0.073 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 Class T fuses?
The A3T Class T fuses have a voltage rating of 300VAC and 160VDC.
What is the amperage range for A3T Class T fuses?
A3T Class T fuses are available in amperage ratings from 1 to 1200A.
What is the AC interrupting rating for A3T Class T fuses?
The AC interrupting rating for A3T Class T fuses is 200kA I.R. AC.
What is the DC interrupting rating for A3T Class T fuses?
The DC interrupting rating for A3T Class T fuses is 50kA I.R. DC.
Are A3T and A6T fuses UL listed?
Yes, they are UL listed to standard 248-15 (File E2137) and DC listed to UL standard 248.
Are A3T and A6T fuses CSA certified?
Yes, they are CSA certified to standard C22.2 no. 248.15.
What materials are used for the A3T fuse bodies?
The A3T fuses have glass melamine bodies for superior dimensional stability.
How are A3T fuses permanently identified?
Catalog numbers are stamped into the blades of the A3T fuses for permanent identification.
What is the purpose of the unique dimensions of A3T and A6T fuses?
Their unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capability.
What are the main benefits of A3T Class T fuses?
Benefits include extremely current-limiting, unique dimensions preventing substitution, permanent identification, and small physical size.
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.