Mersen ATM3/4 Fuse ATM - Midget - Fast-Acting 600VAC 600VDC 0.75A Ferrule Amp-Trap®
Alternate Item Number: ATM3/4
UPC: 782001900793
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Overview
- 600VAC/600VDC voltage rating with 100kA interrupting rating
- 0.75A current rating, ferrule terminal design
- Fast-acting response for high-inrush circuits and transient surges
- Extended ratings (30/35A, 30/40A, 30/50A) for capacitor and PV applications
- Compatible with UltraSafe™ fuse holders and 10x38mm fuse blocks
Specifications
AC Voltage Rating | 600 V |
Amperage Rating | 0.75 A |
Application | Supplemental protection of of circuits up to 600VAC and 600VDC with 100kA I.R. |
Body Material | GMG |
Brand Name | Mersen |
Class | Midget |
Connection | Ferrule |
Connection Material | Tin-Plated Copper |
DC Voltage Rating | 600 V |
Fuse Class | Midget |
Interrupt Rating | 100 kA |
Mounting | Clip |
Size | 1.5 x 0.41 in |
Size | 38.1 x 10.312 mm |
Special Features | For supplemental protection of small motors and transformers Extended ratings for special protection of capacitors and circuits with high inrush currents 600VDC ratings for a wide variety of applications including photovoltaic and solar applications. Can be used with UltraSafe™ fuse holders 1 1/2" x 13/32" (10mm x 38mm) dimensions |
Standard | UL listed to standard 248-14 (1/10 to 30A) File E33925 DC Listed to UL Standard 248-14 (1/10 to 30A) CSA Certified to Standard C22.2 No. 248.14 (1/10 to 30A) |
Sub Brand | Amp-Trap® |
Type | Midget Fuses |
Voltage Rating | 600 VAC |
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 10.312 mm x 10.312 mm |
Package Weight (Imperial) | 0.017 lb |
Package Weight (Metric) | 0.008 kg |
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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 and interrupting ratings for ATM fuses?
ATM fuses are rated for 600 volts AC and DC, with a 100kA interrupting rating.
What are the dimensions of ATM fuses?
The ATM fuses have dimensions of 1 1/2" x 13/32" (10mm x 38mm).
Are ATM fuses suitable for branch circuit protection?
No, ATM fuses are not for branch circuit protection.
What applications are ATM fuses suitable for?
They are suitable for supplemental protection of small motors, transformers, and circuits with high inrush currents, including photovoltaic and solar applications.
What special ratings are available for ATM fuses?
Special ratings of 30/35, 30/40, and 30/50 amperes are offered for specific applications like capacitor protection.
Are there specific fuse holders recommended for ATM fuses?
Yes, ATM fuses can be used with UltraSafe™ fuse holders.
What is the ampere rating range for ATM fuses?
The ampere rating range is 1/10 to 30A, with special ratings from 35 to 50A (AC only).
What UL and CSA standards do ATM fuses meet?
ATM fuses are UL listed to standard 248-14 and CSA Certified to Standard C22.2 No. 248.14 for ratings 1/10 to 30A.
What is the interrupting rating for 35-50A ATM fuses?
The interrupting rating for 35-50A ATM fuses is 10kA AC.
Are ATM fuses considered continuous current rated devices?
No, the special ratings (above 30A) are not continuous current rated devices.
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.