Mersen OTM4 Midget Fast-Acting...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$122.30
Mersen OTM4 Midget Fast-Acting Fuse 250VAC 4A Ferrule Terminal Amp-Trap Protection

Mersen OTM4 Midget Fast-Acting Fuse 250VAC 4A Ferrule Terminal Amp-Trap Protection

(No reviews yet) Write a Review

Model: OTM4

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

$122.30
Adding to cart… The item has been added
Free Shipping on orders over $99
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Mersen OTM4 Midget Fast-Acting Fuse 250VAC 4A Ferrule Terminal Amp-Trap Protection

Professional Fast-Acting Circuit Protection for Critical Applications

The Mersen OTM4 Midget Fast-Acting Fuse delivers reliable 4A circuit protection at 250VAC with professional-grade Amp-Trap technology. Featuring tin-plated copper ferrule terminals and paper body insulation, this midget class fuse provides 10 kA breaking capacity for demanding electrical applications requiring fast-acting overcurrent protection.

Professional Features & Benefits

  • 4A Rating at 250VAC: Provides precise overcurrent protection for sensitive circuits and equipment requiring reliable amperage control.
  • Fast-Acting Response: Delivers rapid fault clearing to minimize equipment damage and maintain system integrity during overcurrent conditions.
  • 10 kA Breaking Capacity: Handles high fault currents safely, ensuring reliable interruption performance in demanding electrical environments.
  • Ferrule Terminal Design: Tin-plated copper terminals provide secure, corrosion-resistant connections for professional installations.
  • Midget Class Construction: Compact 1.5-inch length fits standard midget fuse holders while delivering full protection performance.
  • Clip Mounting System: Simple, secure installation in compatible fuse holders and electrical panels.
  • RoHS Compliant: Meets environmental standards for professional electrical installations and commercial applications.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 10 kA
  • Ac Or Dc: AC
  • Ampere Rating: 4:00 AM
  • Body Insulating Material: Paper
  • 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: 0.012 lb
  • Rated Voltage Ac Ul: 250 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

  • Control Panel Protection
  • Motor Control Centers
  • Industrial Equipment Protection
  • Commercial Electrical Systems
  • HVAC Control Circuits
  • Instrumentation Protection
  • Process Control Applications

Why Choose Mersen Quality?

Mersen delivers proven reliability in electrical protection with RoHS compliant construction and professional-grade materials. The tin-plated copper terminals and paper body insulation ensure long-term performance in demanding applications, while the compact midget design provides space-efficient protection for modern electrical systems.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
10 kA
Ac Or Dc:
AC
Ampere Rating:
4:00 AM
Body Insulating Material:
Paper
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:
0.012 lb
Rated Voltage Ac Ul:
250 V
Rohs Compliant:
Yes
Speed Characteristic:
Fast-Acting

Mersen OTM4 – Frequently Asked Questions

How fast can I get the Mersen OTM4 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 OTM4 come with a warranty?
Absolutely. The Mersen OTM4 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 OTM4?
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 OTM4 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.
!