Merit Brass A2D2R Time-delay Fuse 2A 250V RK1 Class 10-pack

Product Description

The MERIT BRASS A2D2R is a Class RK1 time-delay fuse rated at 2 amps and 250 volts. Time-delay (TD) fuses are designed to withstand brief inrush currents — common during motor starts and transformer energization — without nuisance tripping, while still providing reliable overcurrent protection under sustained fault conditions. This fuse ships in a 10-pack, making it a practical stocking choice for electrical contractors, HVAC technicians, and industrial maintenance crews who regularly service panels, control circuits, and motor branch circuits where RK1 protection is specified.

Class RK1 fuses meet a tighter rejection specification than standard Class R fuses, offering improved current-limiting performance. The A2D2R is suited for use in motor branch circuits, HVAC control panels, and low-voltage distribution equipment where a 2-amp, 250-volt time-delay fuse is called out by the equipment manufacturer or by the installing electrician. The 10-per-pack quantity supports service truck inventory and panel-side restocking on commercial and light industrial jobs.

Key Features

• Class RK1 current-limiting design for enhanced short-circuit protection
• Time-delay action tolerates motor inrush and transformer magnetizing currents
• 250-volt rating suitable for single-phase and multi-phase branch circuit applications
• 2-amp interrupt rating appropriate for low-current control and motor circuits
• Sold in a 10-pack for efficient job-site and shop inventory management

Compatibility

Designed as an OEM-style replacement for Class RK1 time-delay fuses in standard rejection-style fuseholders rated for 250 volts and 2 amps.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC Article 240 and any applicable local codes. Always de-energize and lock out the circuit before replacing a fuse. Verify the fuseholder is rated for Class RK1 cartridge fuses and that the replacement ampere and voltage ratings match the circuit requirements exactly. Do not substitute a non-time-delay or higher-amperage fuse without engineering review.

Technical Specifications

• Amperage: 2 amps
• Voltage: 250 volts
• Fuse Class: RK1
• Fuse Type: Time-Delay (TD)
• Package Quantity: 10 per pack
• Package Dimensions (L x W x H): 3.000 inches x 2.060 inches x 1.190 inches
• Package Weight: 0.42 pounds
• UPC: 78200199065

Standard Information

• Brand: MERIT BRASS
• Manufacturer Part Number: A2D2R