Mersen Class K5 Fast-Acting Bl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$156.77
$106.77

Mersen Class K5 Fast-Acting Blade Fuse 150A 250VAC/250VDC with Amp-Trap Technology

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Model: OT150

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

$156.77
$106.77
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Mersen Class K5 Fast-Acting Blade Fuse 150A 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 150A 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

  • 150A Current Rating: Handles substantial electrical loads while providing precise overcurrent protection for demanding applications.
  • 250VAC/250VDC Dual Voltage Rating: Versatile compatibility for both alternating and direct current systems up to 250V.
  • 50 kA Breaking Capacity: Superior fault current interruption capability ensures safe disconnection under high-fault conditions.
  • Class K5 Fast-Acting Response: Rapid fault detection and interruption minimizes equipment damage and system downtime.
  • Amp-Trap Technology: Advanced current-limiting design provides enhanced protection and coordination with downstream devices.
  • Blade Terminal Design: Tin-plated copper terminals with clip mounting enable secure, low-resistance connections and easy installation.
  • PolyTube Construction: Durable insulating material provides reliable electrical isolation and mechanical protection.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 50 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 150 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: 7.13 in
  • Product Weight: 0.733 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 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 Motor Control Centers
  • Commercial Electrical Distribution Panels
  • HVAC Equipment Protection
  • Power Distribution Systems
  • Manufacturing Equipment
  • Emergency Power Systems
  • Renewable Energy Installations

Why Choose Mersen Quality?

Mersen delivers proven reliability through RoHS compliant construction and professional-grade materials including tin-plated copper terminals and PolyTube insulation. The 50 kA breaking capacity and Class K5 fast-acting characteristics ensure dependable circuit protection performance in demanding electrical environments.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
50 kA
Ac Or Dc:
AC/DC
Ampere Rating:
150 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:
7.13 in
Product Weight:
0.733 lb
Rated Voltage Ac Ul:
250 V
Rated Voltage Dc Ul:
250 V
Rohs Compliant:
Yes
Speed Characteristic:
Fast-Acting

Mersen OT150 – Frequently Asked Questions

How fast can I get the Mersen OT150 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 OT150 come with a warranty?
Absolutely. The Mersen OT150 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 OT150?
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 OT150 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.