Mersen ATDR20-6PK Fuse ATDR - Class CC - Time-Delay 600VAC 300VDC 20A Ferrule Amp-Trap 2000® 6 pack
Alternate Item Number: ATDR20-6PK
UPC: 782001355425
Documents & Media
Contact for Pricing
Minimum Qty: 6
Multiplier: 6
*Contact for lower quantities*
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 20 Amp Class CC time-delay fuse for branch circuit protection
- Rated 600VAC / 300VDC with 200kA AC and 100kA DC interrupting rating
- Ferrule design for secure connections in standard fuse holders
- Time-delay accommodates motor starting inrush currents without nuisance openings
- High-visibility orange label for easy identification and replacement
Specifications
AC Voltage Rating | 600 V |
Amperage Rating | 20 A |
Application | Small motors Contactors Lighting, heating & general loads Branch circuit protection |
Body Material | GMG |
Brand Name | Mersen |
Class | Class CC |
Connection | Ferrule |
Connection Material | Tin-Plated Copper |
Connection Type | Ferrule |
Current Rating | 20 A |
Current Rating | 20A |
Interrupt Rating | 200 kA |
Mounting | Clip |
Mounting Type | Fuse holder |
Nema Rating | Class CC |
Series | Amp-Trap 2000® |
Series | Amp-Trap 2000® ATDR |
Size | 1.5 x 0.41 in |
Size | 38.1 x 10.414 mm |
Size | 1.5 x 0.41;38.1 x 10.414 in;mm |
Special Features | Time-delay for motor starting inrush currents without nuisance opening Highly current-limiting for low peak let-thru current Improved cycling ability for frequent motor starts/stops without nuisance fuse opening Rejection-style design prevents replacement errors (when used with recommended fuse blocks) High-visibility orange label ensures instant brand recognition, simplifies replacement Metal-embossed date and catalog number for traceability and lasting identification Fiberglass body provides dimensional stability in harsh industrial settings High-grade silica filler ensures fast arc quenching and optimum current-limitation |
Standard | UL listed to standard 248-4 File E2137 CSA certified to standard C22.2 No. 248.4 DC listed to UL standard 248 |
Sub Brand | Amp-Trap 2000® |
Type | Class CC |
Voltage Rating | 600VAC 300VDC |
Voltage Rating | 600 VAC 300 VDC |
Package Dimensions (L x W x H) | 1.5 in x 0.41 in x 0.41 in |
Package Dimensions (L x W x H) | 38.1 mm x 10.414 mm x 10.414 mm |
Package Weight (Imperial) | 0.020 lb |
Package Weight (Metric) | 0.009 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 is the interrupting rating of the ATDR20-6PK?
The ATDR20-6PK has an interrupting rating of 200kA AC and 100kA DC.
What voltage ratings does the ATDR20-6PK support?
The ATDR20-6PK operates at 600 Volts AC and 300 Volts DC.
What applications is the ATDR20-6PK suitable for?
The ATDR20-6PK is designed for small motors, contactors, lighting, heating, and general loads.
Does the ATDR20-6PK offer time-delay protection?
Yes, the ATDR20-6PK features time-delay characteristics to handle motor starting inrush currents without nuisance openings.
What is the fuse body material?
The ATDR20-6PK fuse body is made of fiberglass for dimensional stability in harsh industrial settings.
Is the ATDR20-6PK UL/CSA listed?
Yes, the ATDR20-6PK is UL listed to standard 248-4 (File E2137) and CSA certified to standard C22.2 No. 248.4.
What is the current rating range for the ATDR series?
The ATDR series covers current ratings from 1/4 to 30 Amps.
Does the ATDR20-6PK provide IEC Type 2 no damage protection?
Yes, the ATDR20-6PK provides IEC Type 2 "no damage" protection for sensitive branch circuit components and small motors.
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.








