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Seasonal Pick Fuse Amp-trap 2000® 600v 400a Time-delay Class Rk1 A6d Series Smart-spot With A 50% Price Cut [XjNCvET4]

$54.99 $175.99 -69%

The Mersen A6D400R Amp-Trap 2000® Time-Delay Class RK1 Fuse provides superior circuit protection with SmartSpot visual blown fuse indication. This 400 A fuse offers reliable protection for motors, transformers, and general-purpose circuits in industr

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The Mersen A6D400R Amp-Trap 2000® Time-Delay Class RK1 Fuse provides superior circuit protection with SmartSpot visual blown fuse indication. This 400 A fuse offers reliable protection for motors, transformers, and general-purpose circuits in industrial applications, with current limit capabilities and precision-engineered element for enhanced equipment safety.

  • Rating: Dual-rated for 600 VoltAC and 600 VoltDC applications with 200kA interrupting capacity
  • Fiberglass polytube body ensures dimensional stability in harsh industrial environments
  • Safety features: SmartSpot indicator provides instant visual notification of blown fuse status
  • Time-delay performance: Accommodates motor starting and transformer inrush currents without nuisance tripping, providing slow blow operation for temporary overloads
  • Compliance: UL listed to standard 248-12 and CSA certified to standard C22.2 No. 248.12

Features

  • 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

Applications

  • Motors
  • Safety switches
  • Transformers
  • Branch circuit protection
  • Disconnects
  • Control panels
  • All general-purpose circuits

Approvals & Standards

  • UL listed to standard 248-12 File E2137
  • DC listed to UL standard 248
  • CSA certified to standard C22.2 No. 248.12

Specifications

  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 600 V
  • Ampere Rating: 400 A
  • ROHS Compliant: Yes
  • Fuse Class: Class RK1
  • Speed/Characteristic: Time Delay
  • Mounting: Clip
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Indication System: Yes
  • Indication System Type: SmartSpot®
  • Connection/Terminal Material: Tin-Plated Copper
  • Connection/Terminal Type: Blade
  • Body/Insulating Material: PolyTube

Product Dimensions

  • Product Weight: 3.4 lb
  • Product Diameter: 2.56 in
  • Product Length: 11.63 in

Packaging Dimensions

  • Sell Pack Quantity: 1 Each
  • Sell Pack Weight: 3.57 lb
  • Sell Pack Width: 2.62 in
  • Sell Pack Length: 2.62 in
  • Sell Pack Height: 11.75 in

Downloads

Spec Sheet
Spec Sheet FR
Drawings
Curves 1
Curves 2

What Our Customers Say

December 30, 2025

Absolutely no complaints!

It’s a very solid and useful gadget.

- Arawn Y..

December 30, 2025

Absolutely no complaints!

A great gadget that is very useful.

- Rhiannon F..

December 30, 2025

Absolutely no complaints!

This is a clever and impressive gadget.

- Gwawl H..

Write a Review

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