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Mersen

Mersen AJT90 90A 600V Class J Time-Delay Fuse

Part Number: AJT90

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Mersen AJT90 provides a 90A rating within the AJT Series. The electrical profile is 600V AC / 500V DC, with 200kA AC / 100kA DC published interrupting performance. The series is intended for applications needing high current limitation with time-delay performance for motor and transformer inrush.

Rated Current90A
Rated Voltage600V AC / 500V DC
Breaking Capacity200kA AC / 100kA DC
PackageClass J

Designed within Mersen’s AJT Series, AJT90 carries a 90A rating and Class J form factor. The published rating combines 600V AC / 500V DC operation and 200kA AC / 100kA DC short-circuit capability. A key selection characteristic is high current limitation with time-delay performance for motor and transformer inrush. The Class J format uses ferrule / blade (amp-dependent) terminals with cartridge/clip mounting. Typical selection contexts include Branch Circuits, Transformers, Control Panels. Check the official Mersen datasheet before final equipment coordination.

Technical Specifications

Part Number
AJT90
Manufacturer Part Number
AJT90
Series
AJT Series
Fuse Type
Current-Limiting Time-Delay Class J Fuse
Current Rating
90A
Voltage Rating
600V AC / 500V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 100kA DC
Package / Dimensions
Class J
Mounting
Cartridge / Clip
Application
Branch Circuit Protection · Control panels · Feeder circuits · Motor Circuits · Switchboard Mains · Transformers
Standard
CSA C22.2 No. 248.8 · IEC 60269-1/-2 · UL 248-8
Terminal Type
Ferrule / Blade (amp-dependent)
Fuse Speed
Time Delay
Utilization Class
Class J
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA

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