Mersen Class K5 Fast-Acting Bl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$88.86
$38.86

Mersen Class K5 Fast-Acting Blade Fuse 100A 250VAC/250VDC with Amp-Trap Technology

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Model: OT100

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

$88.86
$38.86
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Mersen Class K5 Fast-Acting Blade Fuse 100A 250VAC/250VDC with Amp-Trap Technology

Professional Fast-Acting Circuit Protection with Superior Breaking Capacity

The Mersen Class K5 Fast-Acting Blade Fuse delivers reliable 100A circuit protection for both AC and DC applications up to 250V. Featuring advanced Amp-Trap technology and a robust 50 kA breaking capacity, this professional-grade fuse provides superior fault current interruption with fast-acting response characteristics. The PolyTube body construction with tin-plated copper blade terminals ensures dependable performance and easy clip mounting installation.

Professional Features & Benefits

  • 100A Ampere Rating: Provides precise overcurrent protection for high-capacity electrical circuits and equipment.
  • 250VAC/250VDC Dual Voltage Rating: Versatile protection for both alternating and direct current applications up to 250V.
  • 50 kA Breaking Capacity: Superior fault current interruption capability ensures safe circuit protection under extreme conditions.
  • Class K5 Fast-Acting Response: Rapid fault detection and interruption minimizes equipment damage and downtime.
  • Blade Terminal Design: Tin-plated copper terminals with clip mounting provide secure connections and easy installation.
  • PolyTube Body Construction: Durable insulating material ensures reliable performance and long service life.
  • RoHS Compliant: Environmentally responsible design meets current regulatory standards.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 50 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 100 A
  • Body Insulating Material: PolyTube
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Blade
  • Frequency Hz: 50/60 Hz
  • Fuse Class: Class K5
  • Mounting Method: Clip
  • Product Length: 5.88 in
  • Product Weight: 0.26 lb
  • Rated Voltage Ac Ul: 250 V
  • Rated Voltage Dc Ul: 250 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 connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire according to the provided 250VAC/250VDC voltage specifications and 100A capacity rating.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test circuit functionality and verify proper fuse operation before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Industrial Motor Control Centers
  • Commercial Electrical Distribution
  • HVAC Equipment Protection
  • Power Distribution Panels
  • Manufacturing Equipment
  • Emergency Power Systems
  • Electrical Service Upgrades

Why Choose Mersen Quality?

Mersen delivers proven reliability through advanced Amp-Trap technology and superior 50 kA breaking capacity. The RoHS compliant design with PolyTube body construction and tin-plated copper terminals ensures long-term dependability and environmental responsibility for professional electrical protection applications.

Manufacturer Resources

Product Specs

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

Mersen OT100 – Frequently Asked Questions

How fast can I get the Mersen OT100 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 OT100 come with a warranty?
Absolutely. The Mersen OT100 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 OT100?
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 OT100 from ZenSupply?
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