Mersen ATM20 Midget Fast-Actin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$86.47
$36.47

Mersen ATM20 Midget Fast-Acting Fuse 20A 600VAC/600VDC Ferrule Terminal

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Model: ATM20

In Stock (leaves warehouse same day if ordered before 3pm ET)

$86.47
$36.47
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Mersen ATM20 Midget Fast-Acting Fuse 20A 600VAC/600VDC Ferrule Terminal

Professional Fast-Acting Circuit Protection for AC/DC Applications

The Mersen ATM20 delivers reliable fast-acting circuit protection with 20A rating and dual 600VAC/600VDC capability. This midget fuse features ferrule terminals with tin-plated copper construction and GMG body insulating material for dependable performance in professional electrical applications. With 100 kA AC breaking capacity and clip mounting design, it provides comprehensive protection in a compact 1.5-inch form factor.

Professional Features & Benefits

  • 20A Current Rating: Provides precise overcurrent protection for medium-load circuits and equipment protection applications.
  • 600VAC/600VDC Dual Rating: Versatile voltage compatibility enables use in both AC and DC electrical systems with consistent performance.
  • 100 kA Breaking Capacity: High interrupting rating ensures reliable fault current interruption in demanding electrical environments.
  • Fast-Acting Response: Quick fault detection and interruption minimizes equipment damage and enhances system safety.
  • Ferrule Terminal Design: Tin-plated copper terminals provide secure connections and excellent conductivity for reliable operation.
  • Midget Class Construction: Compact 1.5-inch length enables space-efficient installation in tight panel configurations.
  • GMG Insulating Material: Professional-grade body material ensures electrical isolation and mechanical durability.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 100 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 20 A
  • Body Insulating Material: GMG
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Midget
  • Mounting Method: Clip
  • Product Length: 1.5 in
  • Product Weight: 0.017 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 600 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Fast-Acting

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Control Panels and Motor Control Centers
  • Commercial Electrical Distribution Systems
  • Power Supply and Converter Protection
  • HVAC Equipment Circuit Protection
  • Instrumentation and Control Circuit Safety
  • Renewable Energy System Protection
  • Emergency Power and UPS Applications

Why Choose Mersen Quality?

Mersen ATM20 fuses combine professional-grade construction with RoHS compliance and proven reliability. The tin-plated copper ferrule terminals and GMG insulating material ensure long-term performance, while the compact midget design and clip mounting method provide versatile installation options for demanding electrical protection applications.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
100 kA
Ac Or Dc:
AC/DC
Ampere Rating:
20 A
Body Insulating Material:
GMG
Connection Terminal Material:
Tin-Plated Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Midget
Mounting Method:
Clip
Product Length:
1.5 in
Product Weight:
0.017 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
600 V
Rohs Compliant:
Yes
Speed Characteristic:
Fast-Acting

Mersen ATM20 – Frequently Asked Questions

How fast can I get the Mersen ATM20 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mersen ATM20 come with a warranty?
Absolutely. The Mersen ATM20 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mersen ATM20?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Mersen ATM20 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.