Mersen Class RK1 Time-Delay Fu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$138.09
$88.09

Mersen Class RK1 Time-Delay Fuse 40A 600VAC/600VDC with SmartSpot Indication System

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Model: A6D40R

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

$138.09
$88.09
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Mersen Class RK1 Time-Delay Fuse 40A 600VAC/600VDC with SmartSpot Indication System

Professional Circuit Protection with Advanced Indication Technology

The Mersen Class RK1 Time-Delay Fuse delivers reliable circuit protection for demanding electrical applications. This 40A dual-voltage fuse operates at both 600VAC and 600VDC with ferrule terminals and integrated SmartSpot indication system for enhanced safety and maintenance efficiency. Built with PolyTube insulating material and tin-plated copper terminals, this Amp-Trap 2000 series fuse provides professional-grade protection with 200 kA breaking capacity.

Professional Features & Benefits

  • 40A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment applications.
  • Dual Voltage Capability (600VAC/600VDC): Versatile protection for both AC and DC systems, reducing inventory requirements and installation complexity.
  • Class RK1 Performance: Superior current-limiting characteristics and high interrupting capacity for enhanced system protection and safety.
  • SmartSpot Indication System: Visual indication of fuse status eliminates guesswork during troubleshooting and reduces maintenance time.
  • 200 kA Breaking Capacity: Exceptional fault current interruption capability ensures reliable protection under severe fault conditions.
  • Time-Delay Characteristics: Allows temporary overloads while providing fast response to short circuits, ideal for motor and transformer applications.
  • Ferrule Terminal Design: Secure connection method with tin-plated copper terminals ensures reliable electrical contact and corrosion resistance.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 40 A
  • Body Insulating Material: PolyTube
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class RK1
  • Indication System: Yes
  • Indication System Type: SmartSpot�
  • Mounting Method: Clip
  • Product Length: 5.5 in
  • Product Weight: 0.34 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 600 V
  • Speed Characteristic: Time Delay

Installation & Operation

  1. Mount the fuse in a suitable fuse holder or disconnect 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

  • Motor Control Centers and Variable Frequency Drives
  • Transformer Primary Protection
  • Industrial Control Panels and Switchgear
  • Commercial HVAC Systems
  • Manufacturing Equipment Protection
  • Power Distribution Systems
  • Emergency Power and UPS Systems

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with advanced SmartSpot indication technology and robust PolyTube construction. The Class RK1 rating and 200 kA breaking capacity ensure dependable protection, while the dual voltage capability and time-delay characteristics provide versatile performance for demanding electrical applications.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
40 A
Body Insulating Material:
PolyTube
Connection Terminal Material:
Tin-Plated Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Class RK1
Indication System:
Yes
Indication System Type:
SmartSpot®
Mounting Method:
Clip
Product Length:
5.5 in
Product Weight:
0.34 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
600 V
Speed Characteristic:
Time Delay

Mersen A6D40R – Frequently Asked Questions

How fast can I get the Mersen A6D40R 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 A6D40R come with a warranty?
Absolutely. The Mersen A6D40R 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 A6D40R?
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 A6D40R from ZenSupply?
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