Mersen TR40R Class RK5 Time-Delay Fuse 40A 250VAC/250VDC Ferrule Terminal

Mersen TR40R Class RK5 Time-Delay Fuse 40A 250VAC/250VDC Ferrule Terminal

Professional Time-Delay Protection for AC/DC Applications

The Mersen TR40R delivers reliable Class RK5 time-delay fuse protection with 40A rating for both 250VAC and 250VDC applications. This professional-grade fuse features ferrule terminals with copper connection material and PolyTube body insulation for dependable circuit protection. With 200 kA breaking capacity and clip mounting design, it provides versatile protection for demanding electrical systems.

Professional Features & Benefits

• 40A Rating: Provides precise current protection for medium-load circuits and equipment applications
• Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions
• 250VAC/250VDC Dual Rating: Versatile protection for both AC and DC electrical systems
• 200 kA Breaking Capacity: High interrupting rating ensures reliable fault current protection
• Ferrule Terminal Design: Secure copper connections provide reliable electrical contact and easy installation
• PolyTube Body Construction: Durable insulating material ensures safe operation and long service life
• RoHS Compliant: Meets environmental standards for professional electrical installations

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 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 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

• Motor Control Centers and Industrial Equipment Protection
• Commercial HVAC and Lighting Circuit Protection
• Power Distribution Panels and Switchgear
• DC Power Systems and Battery Backup Applications
• Process Control and Automation Equipment
• Emergency Power and UPS Systems
• Manufacturing and Production Facility Protection

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade materials including copper terminals and PolyTube insulation. The compact 3-inch length and lightweight 0.119 lb design ensures easy installation while maintaining robust 200 kA breaking capacity for demanding electrical protection applications.