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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
StyleModelAmpsFuse Dia.Mounting StyleFuse LengthVisual IndicationBody StyleSpeed TypeFuse ClassPrice
A
AJT125N
125A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
B
AJT125
125A1.62"Clip Or Bolted5 3/4"IndicatingBladeTime DelayClass J£124.59
C
AJT125/400
125A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT125EI
125A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
D
AJT150EI
150A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
E
AJT150
150A1.62"Clip Or Bolted5 3/4"--Time DelayClass J£124.59
F
AJT150N
150A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
G
AJT175N
175A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
H
AJT175
175A1.62"Clip Or Bolted5 3/4"--Time DelayClass J£124.59
D
AJT175EI
175A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
D
AJT200EIA
200A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
C
AJT200/400
200A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
I
AJT200
200A1.62"Clip Or Bolted5 3/4"--Time DelayClass J£124.59
D
AJT200EI
200A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
J
AJT200N
200A1.62"Clip Or Bolted5 3/4"--Time DelayClass J-
RFQ
K
AJT225
225A2 3/25"Clip Or Bolted7.13"--Time DelayClass J£247.67
D
AJT225EIB
225A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT225EI
225A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
L
AJT225N
225A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT250EI
250A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
M
AJT250
250A2 3/25"Clip Or Bolted5 3/4"IndicatingBladeTime DelayClass J£247.67
N
AJT250N
250A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
C
AJT300/600
300A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
D
AJT300EIB
300A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
O
AJT300
300A2 3/25"Clip Or Bolted7.13"--Time DelayClass J£247.67
P
AJT300N
300A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT300EI
300A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT350EI
350A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT350EIB
350A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
Q
AJT350
350A2 3/25"Clip Or Bolted7.13"--Time DelayClass J£247.67
R
AJT350N
350A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
D
AJT400EI
400A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
S
AJT400
400A2 3/25"Clip Or Bolted7.13"--Time DelayClass J£247.67
C
AJT400/600
400A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
D
AJT400EIB
400A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
T
AJT400N
400A2 3/25"Clip Or Bolted7.13"--Time DelayClass J-
RFQ
U
AJT450
450A2 1/2"Clip Or Bolted8"--Time DelayClass J£358.26
D
AJT450EI
450A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
V
AJT450N
450A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
D
AJT500EI
500A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
W
AJT500
500A2 1/2"Clip Or Bolted8"--Time DelayClass J£358.26
X
AJT500N
500A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
Y
AJT600
600A2 1/2"Clip Or Bolted8"--Time DelayClass J£378.49
Z
AJT600N
600A2 1/2"Clip Or Bolted8"--Time DelayClass J-
RFQ
D
AJT600EI
600A2 1/2"Clip Or Bolted8"--Time DelayClass J-
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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