MERSEN FERRAZ AJT Series Time-delay Fuses, Class J


Mersen Ferraz AJT Series time delay fuses protect control panels, motor circuits, feeders, distribution panels, lighting circuits and HVAC systems from overcurrents and short circuits.

Filter
StyleModelAmpsCurrent RatingDiameterItemLengthMountingPrice (ex. VAT)
A
AJT125N
-125A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
B
AJT350EI
-350A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
B
AJT80EI
-80A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
C
AJT7N
-7A0.81"Time Delay Fuse2.25"Clip€35.32
D
AJT6N
-6A0.81"Time Delay Fuse2.25"Clip€28.79
E
AJT600N
-600A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
B
AJT500EI
-500A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
F
AJT45N
-45A1.06"Time Delay Fuse2.38"Clip-
RFQ
G
AJT400N
-400A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
B
AJT400EI
-400A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
H
AJT350N
-350A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
I
AJT30N
-30A0.81"Time Delay Fuse2.25"Clip-
RFQ
J
AJT25N
-25A0.81"Time Delay Fuse2.25"Clip-
RFQ
K
AJT225N
-225A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
L
AJT20N
-20A0.81"Time Delay Fuse2.25"Clip-
RFQ
M
AJT200/400
-200A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
N
AJT1N
-1A0.81"Time Delay Fuse2.25"Clip€23.99
O
AJT17-1/2
-17.5A0.81"Time Delay Fuse2.25"Clip€17.14
B
AJT150EI
-150A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
P
AJT110N
-110A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
B
AJT110EI
-110A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
Q
AJT10N
-10A0.81"Time Delay Fuse2.25"Clip-
RFQ
R
AJT250N
-250A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
M
AJT400/600
-400A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
S
AJT15N
-15A0.81"Time Delay Fuse2.25"Clip-
RFQ
T
AJT175N
-175A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
B
AJT300EIB
-300A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
B
AJT250EI
-250A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
B
AJT200EIA
-200A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
U
AJT200
-200A1.62"Time Delay Fuse5.75"Clip or Bolted€104.43
B
AJT225EIB
-225A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
B
AJT225EI
-225A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
V
AJT225
-225A2.12"Time Delay Fuse7.13"Clip or Bolted€201.38
W
AJT200N
-200A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
B
AJT200EI
-200A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
X
AJT175
-175A1.62"Time Delay Fuse5.75"Clip or Bolted€104.43
B
AJT400EIB
-400A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
Y
AJT17-1/2N
-17.5A0.81"Time Delay Fuse2.25"Clip-
RFQ
Z
AJT150N
-150A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
A1
AJT150
-150A1.62"Time Delay Fuse5.75"Clip or Bolted€104.43
B1
AJT12N
-12A0.81"Time Delay Fuse2.25"Clip-
RFQ
B
AJT125EI
-125A1.62"Time Delay Fuse5.75"Clip or Bolted-
RFQ
M
AJT125/400
-125A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
C1
AJT500N
-500A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
D1
AJT4N
-4A0.81"Time Delay Fuse2.25"Clip€33.32
E1
AJT40N
-40A1.06"Time Delay Fuse2.38"Clip-
RFQ
F1
AJT100N
-100A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
B
AJT100EI
-100A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
G1
AJT300N
-300A2.12"Time Delay Fuse7.13"Clip or Bolted-
RFQ
H1
AJT50N
-50A1.06"Time Delay Fuse2.38"Clip-
RFQ
B
AJT70EI
-70A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
I1
AJT35N
-35A1.06"Time Delay Fuse2.38"Clip-
RFQ
J1
AJT9N
-9A0.81"Time Delay Fuse2.25"Clip-
RFQ
B
AJT8N
-8A0.81"Time Delay Fuse2.25"Clip-
RFQ
K1
AJT80N
-80A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
L1
AJT60N
-60A1.06"Time Delay Fuse2.38"Clip-
RFQ
B
AJT600EI
-600A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
M1
AJT5N
-5A0.81"Time Delay Fuse2.25"Clip€26.57
N1
AJT450N
-450A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ
O1
AJT90N
-90A1.06"Time Delay Fuse4.63"Clip or Bolted-
RFQ
B
AJT450EI
-450A2.5"Time Delay Fuse8"Clip or Bolted-
RFQ

Features

  • Mersen Ferraz AJT Series time delay fuses feature fibreglass body for dimensional stability in harsh environments.
  • They have silica filler for quenching the arc quickly.
  • These Mersen Ferraz time delay fuses offer Solid State SmartSpot indicators that provide an accurate indication of the fuse status, making it easy to identify and replace blown fuses.
  • They have a small footprint that allows quick and easy mounting in compact spaces.

Standards and Approvals

  • UL

Frequently Asked Questions

What is the interrupt rating of Mersen Ferraz AJT Series time delay fuses?

These time delay fuses have an interrupt rating of 300kAIC.

What are the advantages of fuses over circuit breakers?

  • Fuses are simpler and easier to replace than circuit breakers.
  • Fuses are generally less expensive than circuit breakers.
  • Fuses respond faster to overcurrent conditions than circuit breakers.

What is the voltage rating of these time delay fuses?

These fuses have a voltage rating of 600VAC.

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