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Product Description
Product Overview
AJT40 is Mersen (Ferraz Shawmut) Amp-Trap 2000 Class J dual-element time-delay current-limiting fuse equipped with SmartSpot blown-fuse visual indicator. The slow-blow characteristic withstands large motor and transformer startup inrush current without nuisance blowing, providing IEC Type 2 no-damage overload and short-circuit protection for three-phase motors, main feeders and MCC motor control center panels.Full Technical Specifications
Model：AJT40Brand：Mersen Ferraz Shawmut Amp-Trap 2000
Fuse Class：UL Class J rejection-type ferrule cartridge
Rated Current：40 Amp
Voltage Rating：600VAC / 400VDCMersen Electrical Power
Interrupt Rating：200kA @ 600VAC; 100kA @ 400VDC
Trip Characteristic：Dual-element Time Delay (Slow Blow)
Indicator：SmartSpot red visual blow indicator
Dimensions：27mm Dia × 60.5mm Length (1-1/16" × 2-3/8")
Housing：High-temperature melamine fiberglass tube
Standards：UL 248-8 Listed, cULus, CSA, IEC 60269, RoHS CompliantMersen
Operating Temperature：-55℃ ~ +125℃
Net Weight：~75g
Main Product Features
Class J rejection dimensional design, prevents misinstallation into Class H/R fuse holdersDual-element slow-blow construction, resists motor starting surge to avoid unnecessary blowing
High current-limiting performance to suppress peak fault current and protect contactors and starters
Built-in SmartSpot sight dot, quickly confirm blown status without disassembly
Compact body, only half the installation width of traditional Class RK fuses, saving cabinet space
Silica sand arc-quenching filler, stable arc suppression under severe short-circuit faults
Supports selective coordination for main and branch circuit grading in industrial distribution systems
Wide Application Range
Three-phase motor branch and feeder circuit overcurrent protectionMCC motor control center main power fusing
Industrial control panel and distribution transformer protection
Compressors, pumps, conveyors, CNC and injection molding machine power circuits
Arc flash reduction and short-circuit backup protection for circuit breakers
Package Content & Service Policy
Package Contains: 1 Piece Brand New Mersen AJT40 FuseCondition: 100% brand new unused factory stock
Shipping: Global tracked international delivery
Return Rule: 30-day returns for unopened unused items
Important Reminder
Must be matched with Class J rated fuse blocks. Do not replace with fast-acting fuses for inductive motor loads. Disconnect main power before replacement.- We will try our best to avoid price fluctuations, but there may be the cost increase of the supplier or the price adjustment of the logistics company, but we have not updated the price. We will discuss the solution with you. Thank you in advance for your understanding.
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We will deliver the goods according to the logistics method you choose, choose expedited service and
we will send DHL, UPS, FedEx and other commercial express for you
<SpeedPAK Standard> and other common services generally take 8-15 days to deliver
<Expedited Shipping from Greater China> is an expedited service, we will send you commercial express
delivery, the shipping time is usually 4-9 days
The above are the cases where the transportation has not been affected in any way. In case of other
circumstances, there may be a delay due to customs policies, holidays, etc., please wait patiently.
We are responsible for the delivery of the goods for the customer, the tariff is borne by the customer, if
there is a failure due to the tariff, please bear their own responsibility.
- If the goods are damaged in the transportation process, the goods are sent incorrectly due to the warehouse handling error, or the goods fail to be transported, we will discuss with you whether to reissue or refund you. We're going to do everything we can for you.