Mersen TRM20 Midget Time-Delay Fuse 250VAC 20A Ferrule Terminal

Mersen TRM20 Midget Time-Delay Fuse 250VAC 20A Ferrule Terminal

Professional Time-Delay Protection for Motor and Inductive Load Applications

The Mersen TRM20 delivers reliable time-delay fuse protection with 20A rating at 250VAC, designed for professional electrical applications requiring motor starting surge tolerance. This midget fuse features ferrule terminals with tin-plated copper construction and GMG body insulating material for dependable performance in commercial and industrial installations.

Professional Features & Benefits

• 20A Current Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
• Time-Delay Characteristic: Allows temporary overloads during motor starting while protecting against sustained overcurrent conditions.
• 250VAC Voltage Rating: Suitable for standard commercial and industrial AC power systems operating at 50/60 Hz.
• 10 kA Breaking Capacity: Safely interrupts high fault currents up to 10,000 amperes for enhanced system protection.
• Ferrule Terminal Design: Tin-plated copper terminals ensure reliable electrical connections and corrosion resistance.
• Midget Fuse Class: Compact 1.5 in length fits standard clip mounting systems for space-efficient installations.
• RoHS Compliant: Meets environmental standards for professional electrical applications.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 10 kA
• Ac Or Dc: AC
• Ampere Rating: 20 A
• Body Insulating Material: GMG
• 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: 0.013 lb
• Rated Voltage Ac 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
• HVAC Equipment Protection
• Industrial Machinery and Equipment
• Commercial Building Electrical Systems
• Process Control and Automation
• Lighting and Power Distribution
• Pump and Compressor Applications

Why Choose Mersen Quality?

Mersen fuses deliver proven reliability with RoHS compliant construction and professional-grade materials including tin-plated copper terminals and GMG insulating material. The compact midget design and clip mounting method ensure efficient installation while maintaining the high breaking capacity and time-delay characteristics required for demanding electrical protection applications.