Mersen TR70R Class RK5 Time-Delay Fuse 70A 250VAC/250VDC Blade Terminal

Mersen TR70R Class RK5 Time-Delay Fuse 70A 250VAC/250VDC Blade Terminal

Professional Time-Delay Protection with High Breaking Capacity

The Mersen TR70R delivers reliable Class RK5 time-delay protection rated for 70A at 250VAC/250VDC with exceptional 200 kA breaking capacity. This professional-grade fuse features blade terminal connections with tin-plated copper construction and PolyTube insulating material for dependable performance in AC/DC applications requiring precise overcurrent protection.

Professional Features & Benefits

• 70A Current Rating: Provides robust overcurrent protection for medium-duty electrical circuits and equipment.
• Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions, ideal for motor and inductive load applications.
• 200 kA Breaking Capacity: Delivers exceptional fault current interruption capability for high-demand electrical systems.
• 250VAC/250VDC Dual Rating: Versatile voltage compatibility for both AC and DC circuit protection applications.
• Blade Terminal Design: Ensures secure, reliable connections with clip mounting for easy installation and maintenance.
• Tin-Plated Copper Terminals: Provides excellent conductivity and corrosion resistance for long-term reliability.
• PolyTube Insulation: Offers superior electrical insulation and mechanical protection in demanding environments.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 70 A
• Body Insulating Material: PolyTube
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Blade
• Frequency Hz : 50/60 Hz
• Fuse Class: Class RK5
• Mounting Method: Clip
• Product Length: 5.88 in
• Product Weight: 0.303 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 Starter Panels
• Industrial Control Systems
• Commercial HVAC Equipment
• Power Distribution Panels
• Manufacturing Equipment Protection
• Process Control Applications
• Emergency Power Systems

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade materials including tin-plated copper terminals and PolyTube insulation. The compact 5.88-inch design and lightweight 0.303 lb construction ensure versatile installation while maintaining exceptional 200 kA breaking capacity for demanding electrical protection applications.