Mersen Class K5 Fast-Acting Fu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$91.76
$41.76
Mersen Class K5 Fast-Acting Fuse 40A 600VAC/300VDC Ferrule Terminal

Mersen Class K5 Fast-Acting Fuse 40A 600VAC/300VDC Ferrule Terminal

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Model: OTS40

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

$91.76
$41.76
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Mersen Class K5 Fast-Acting Fuse 40A 600VAC/300VDC Ferrule Terminal

Professional overcurrent protection with fast-acting response

The Mersen Class K5 Fast-Acting Fuse delivers reliable overcurrent protection for electrical systems operating at 600VAC or 300VDC. This 40-ampere rated fuse features ferrule terminals with copper construction and PolyTube insulating material for dependable performance in professional applications. With 50kA breaking capacity and clip mounting design, this fast-acting fuse provides essential circuit protection.

Professional Features & Benefits

  • 40A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
  • Class K5 Design: Meets industry standards for time-current characteristics and dimensional requirements in professional installations.
  • Fast-Acting Response: Quickly interrupts fault currents to minimize damage to downstream equipment and components.
  • Dual Voltage Rating: Compatible with both 600VAC and 300VDC systems for versatile application flexibility.
  • 50kA Breaking Capacity: Safely interrupts high fault currents up to 50,000 amperes for robust circuit protection.
  • Ferrule Terminal Design: Copper terminals ensure reliable electrical connections and easy installation in compatible fuse holders.
  • PolyTube Construction: Durable insulating material provides electrical isolation and mechanical protection in demanding environments.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 50 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 40 A
  • Body Insulating Material: PolyTube
  • Connection Terminal Material: Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class K5
  • Mounting Method: Clip
  • Product Length: 5.5 in
  • Product Weight: 0.215 lb
  • Rated Voltage Ac Ul: 600 V
  • Rated Voltage Dc Ul: 300 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Fast-Acting

Installation & Operation

  1. Mount the fuse in a suitable fuse holder or disconnect with appropriate clearance and access for replacement.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire according to the provided voltage specifications ensuring compatibility with 600VAC or 300VDC systems.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test circuit protection functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to fuse replacement intervals.

Professional Applications

  • Industrial Motor Control Centers
  • Commercial Electrical Panels
  • HVAC Equipment Protection
  • Manufacturing Process Equipment
  • Power Distribution Systems
  • Electrical Maintenance and Repair
  • Professional Electrical Installations

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials. The copper ferrule terminals and PolyTube insulation ensure long-term performance in demanding electrical environments, backed by comprehensive technical specifications for professional confidence.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
50 kA
Ac Or Dc:
AC/DC
Ampere Rating:
40 A
Body Insulating Material:
PolyTube
Connection Terminal Material:
Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Class K5
Mounting Method:
Clip
Product Length:
5.5 in
Product Weight:
0.215 lb
Rated Voltage Ac Ul:
600 V
Rated Voltage Dc Ul:
300 V
Rohs Compliant:
Yes
Speed Characteristic:
Fast-Acting

Mersen OTS40 – Frequently Asked Questions

How fast can I get the Mersen OTS40 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 OTS40 come with a warranty?
Absolutely. The Mersen OTS40 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 OTS40?
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 OTS40 from ZenSupply?
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