Mersen TR45R Class RK5 Time-De...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$77.60
$27.60

Mersen TR45R Class RK5 Time-Delay Fuse 45A 250VAC/250VDC Ferrule Terminal

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Model: TR45R

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

$77.60
$27.60
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Mersen TR45R Class RK5 Time-Delay Fuse 45A 250VAC/250VDC Ferrule Terminal

Professional Time-Delay Protection with Dual Voltage Rating

The Mersen TR45R delivers reliable Class RK5 time-delay fuse protection with dual 250VAC/250VDC voltage rating and 45A ampere capacity. Featuring ferrule terminal connections and PolyTube insulating material, this Tri-Onic fuse provides professional-grade overcurrent protection with 200 kA breaking capacity for demanding electrical applications.

Professional Features & Benefits

  • 45A Ampere Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment loads.
  • Class RK5 Time-Delay: Offers coordinated protection with temporary overload tolerance, reducing nuisance tripping while maintaining safety.
  • Dual Voltage Rating 250VAC/250VDC: Versatile protection for both AC and DC applications in a single fuse design.
  • 200 kA Breaking Capacity: High interrupting rating ensures reliable fault current interruption in demanding electrical systems.
  • Ferrule Terminal Design: Copper terminals provide secure, low-resistance connections for reliable electrical contact.
  • PolyTube Insulating Material: Durable body construction ensures consistent performance and electrical isolation.
  • RoHS Compliant: Meets environmental standards for responsible electrical component manufacturing.

Technical Specifications

  • Ac Max I R Breaking Capacity I1: 200 kA
  • Ac Or Dc: AC/DC
  • Ampere Rating: 45 A
  • Body Insulating Material: PolyTube
  • Connection Terminal Material: Copper
  • Connection Terminal Type: Ferrule
  • Frequency Hz : 50/60 Hz
  • Fuse Class: Class RK5
  • Mounting Method: Clip
  • Product Length: 3 in
  • Product Weight: 0.119 lb
  • Rated Voltage Ac Ul: 250 V
  • Rated Voltage Dc Ul: 250 V
  • Rohs Compliant: Yes
  • Speed Characteristic: Time Delay

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

  • Industrial Motor Control Centers
  • Commercial Electrical Panels
  • HVAC Equipment Protection
  • Manufacturing Process Equipment
  • Power Distribution Systems
  • DC Power Supply Protection
  • Control Circuit Applications

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade Class RK5 time-delay characteristics. The dual voltage rating and high breaking capacity ensure dependable overcurrent protection across diverse electrical applications, backed by Mersen's commitment to electrical safety and performance standards.

Manufacturer Resources

Product Specs

Ac Max I R Breaking Capacity I1:
200 kA
Ac Or Dc:
AC/DC
Ampere Rating:
45 A
Body Insulating Material:
PolyTube
Connection Terminal Material:
Copper
Connection Terminal Type:
Ferrule
Frequency Hz :
50/60 Hz
Fuse Class:
Class RK5
Mounting Method:
Clip
Product Length:
3 in
Product Weight:
0.119 lb
Rated Voltage Ac Ul:
250 V
Rated Voltage Dc Ul:
250 V
Rohs Compliant:
Yes
Speed Characteristic:
Time Delay

Mersen TR45R – Frequently Asked Questions

How fast can I get the Mersen TR45R 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 TR45R come with a warranty?
Absolutely. The Mersen TR45R 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 TR45R?
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 TR45R from ZenSupply?
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