Mersen A2D300R Fuse A2D-R Class RK1 Time-Delay 250VAC/250VDC 300A Blade SmartSpot

Product Description

The Mersen A2D300R is a Class RK1 time-delay fuse with a SmartSpot indicator, designed for 250VAC and 250VDC systems, rated at 300A. This Amp-Trap 2000 fuse provides time-delay for motor starting and transformer inrush currents without nuisance opening. It is UL listed and CSA certified, offering a 200kA interrupt rating. It can be used to replace older 250V Class H, K or RK5 fuses already installed in the field.

• Time-delay for motor starting and transformer inrush currents
• 200 kA interrupt rating
• SmartSpot visual blown fuse indicator

Product Highlights

Class RK1 time-delay fuse with SmartSpot indicator for 250VAC/250VDC systems. Ideal for motor and transformer protection.

Product Information

Standard Information

• Brand: MERSEN
• Manufacturer Part Number: A2D300R
• Country of Origin: Mexico

Technical Specifications

• Catalog Number: A2D300R
• Manufacturer: Mersen
• Brand: Mersen
• Sub Brand: Amp-Trap 2000®
• Country of Origin: Mexico
• Made in USA: No
• Amperage Rating: 300 A
• Application: Motors Safety switches Transformers Branch circuit protection Disconnects Control panels All general-purpose circuits
• Connection: Blade
• Interrupt Rating: 200 kA
• Mounting: Clip
• Special Features: Non-indicating or Solid state SmartSpot visual blown fuse indicator Time-delay for motor starting and transformer inrush currents without nuisance opening 600VAC & 600VDC dual rated 300kA interrupting rating - self-certified, UL witnessed tests Extremely current-limiting for low peak let-thru current Recommended for Arc Flash energy reduction Easy 2-to-1 selectivity for prevention of nuisance shut downs and “black outs” Rejection-style design prevents replacement errors (when used with recommended fuse blocks) High-visibility orange label gives instant brand recognition Reduced inventory by taking the place of class RK5, K, and H fuses Metal-embossed date and catalog number for easier traceability and lasting identification Fiberglass body provides dimensional stability in harsh industrial settings
• Standard: UL listed to standard 248-12 File E2137 DC listed to UL standard 248 CSA certified to standard C22.2 No. 248.12
• UPC: 782001991135
• GTIN: 00782001991135
• Item Type: Class RK1
• Type of Indicators: SmartSpot®
• Voltage Rating: 250 V
• Frequency (Hz): 50/60 Hz
• AC or DC: AC/DC
• Fuse Class: Class RK1
• Speed/Characteristic: Time Delay
• AC Max I.R./Breaking Capacity: I1: 200 kA
• Indication System: Yes
• Connection/Terminal Material: Tin-Plated Copper
• Connection/Terminal Type: Blade
• Product Diameter: 2.06 in
• Product Length: 8.63 in
• Product group: Low Voltage UL/CSA Fuses
• Body/Insulating Material: PolyTube
• Product Weight: 1.64 lb