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MERSEN FERRAZ Class J Fuses

Time-delay fuses for tolerating temporary inrush currents without nuisance blowing during startup loads in motors and transformers. However, units open to disconnect the circuit when exposed to sustained loads or short circuits. UL-listed & CSA-certified.

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MERSEN FERRAZ -

UL Class J Fuses

Style	Model	Price (inc. VAT)
A	AJT1-1/2N	£24.38
B	AJT100	£103.58
C	AJT5-6/10N	£34.01
D	AJT2-8/10N	£34.52
E	AJT2-1/4N	£30.93
F	AJT15	£29.94
G	AJT1-6/10N	£26.10
H	AJT17-1/2	£33.34
I	AJT1-1/4N	£31.47
J	HSJ15	£38.72
K	HSJ20	£38.72
L	AJT7N	£33.65
M	AJT1-8/10N	£28.72
N	AJT4N	£31.75
O	AJT6N	£27.43
P	AJT300	£374.82
Q	HSJ40	£132.59
R	AJT4-1/2N	£31.51
S	AJT3-2/10N	£35.12
T	AJT3-1/2N	£25.44
U	AJT25	£30.75
V	AJT20	£31.22
W	AJT2-1/2N	£30.43
X	AJT6-1/4N	£32.26

MERSEN FERRAZ -

A4J Series Fast-Acting Fuses, Class J

Style	Model	Amps	Body Material	Current Rating	Diameter	Length	Speed	Price (inc. VAT)
A	A4J600EI	-	GMG	600A	2.5"	8"	Fast Acting	-	RFQ
A	A4J200EI	-	GMG	200A	1.62"	5.75"	Fast Acting	-	RFQ
A	A4J110EI	-	GMG	110A	1.62"	5.75"	Fast Acting	-	RFQ
B	A4J1	1A	PolyTube	1A	0.81"	2.25"	Fast Acting	£14.59
B	A4J3	3A	PolyTube	3A	0.81"	2.25"	Fast-Acting	£18.05
B	A4J6	6A	PolyTube	6A	0.81"	2.25"	Fast Acting	£18.05
B	A4J10	10A	PolyTube	10A	0.81"	2.25"	Fast-Acting	£17.52
B	A4J15	15A	PolyTube	15A	0.81"	2.25"	Fast-Acting	£16.02
B	A4J20	20A	-	-	-	-	-	£16.59
B	A4J25	25A	PolyTube	25A	0.81"	2.25"	Fast Acting	£16.59
B	A4J30	30A	PolyTube	30A	0.81"	2.25"	Fast-Acting	£16.59
B	A4J35	35A	PolyTube	35A	1.06"	2.38"	Fast-Acting	£28.21
B	A4J40	40A	PolyTube	40A	1.06"	2.38"	Fast Acting	£28.21
B	A4J45	45A	PolyTube	45A	1.06"	2.38"	Fast Acting	£28.21
B	A4J50	50A	PolyTube	50A	1.06"	2.38"	Fast-Acting	£25.62
B	A4J60	60A	PolyTube	60A	1.06"	2.38"	Fast Acting	£25.75
B	A4J70	70A	GMG	70A	1.06"	4.63"	Fast Acting	£36.31
B	A4J75	75A	GMG	75A	1.06"	4.63"	Fast Acting	£54.24
B	A4J80	80A	GMG	80A	1.06"	4.63"	Fast Acting	£42.81
B	A4J90	90A	GMG	90A	1.06"	4.63"	Fast Acting	£42.81
B	A4J100	100A	GMG	100A	1.06"	4.63"	Fast-Acting	£42.81
B	A4J110	110A	GMG	110A	1.62"	5.75"	Fast Acting	£85.71
B	A4J125	125A	GMG	125A	1.62"	5.75"	Fast Acting	£74.95
B	A4J150	150A	GMG	150A	1.62"	5.75"	Fast-Acting	£74.95
B	A4J175	175A	GMG	175A	1.62"	5.75"	Fast Acting	£74.95

MERSEN FERRAZ -

AJT Series Time-delay Fuses, Class J

Style	Model	Amps	Current Rating	Diameter	Item	Length	Mounting	Price (inc. VAT)
A	AJT70EI	-	70A	1.06"	Time Delay Fuse	4.63"	Clip or Bolted	-	RFQ
A	AJT450EI	-	450A	2.5"	Time Delay Fuse	8"	Clip or Bolted	-	RFQ
B	AJT50N	-	50A	1.06"	Time Delay Fuse	2.38"	Clip	-	RFQ
C	AJT4N	-	4A	0.81"	Time Delay Fuse	2.25"	Clip	£33.86
D	AJT17-1/2N	-	17.5A	0.81"	Time Delay Fuse	2.25"	Clip	-	RFQ
E	AJT12N	-	12A	0.81"	Time Delay Fuse	2.25"	Clip	-	RFQ
A	AJT125EI	-	125A	1.62"	Time Delay Fuse	5.75"	Clip or Bolted	-	RFQ
A	AJT90EI	-	90A	1.06"	Time Delay Fuse	4.63"	Clip or Bolted	-	RFQ
F	AJT400/600	-	400A	2.5"	Time Delay Fuse	8"	Clip or Bolted	-	RFQ
G	AJT40N	-	40A	1.06"	Time Delay Fuse	2.38"	Clip	-	RFQ
H	AJT600N	-	600A	2.5"	Time Delay Fuse	8"	Clip or Bolted	-	RFQ
A	AJT225EIB	-	225A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
A	AJT350EI	-	350A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
A	AJT300EI	-	300A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
F	AJT300/600	-	300A	2.5"	Time Delay Fuse	8"	Clip or Bolted	-	RFQ
A	AJT250EI	-	250A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
A	AJT225EI	-	225A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
A	AJT200EIA	-	200A	1.62"	Time Delay Fuse	5.75"	Clip or Bolted	-	RFQ
I	AJT5N	-	5A	0.81"	Time Delay Fuse	2.25"	Clip	£32.40
J	AJT25N	-	25A	0.81"	Time Delay Fuse	2.25"	Clip	-	RFQ
K	AJT1N	-	1A	0.81"	Time Delay Fuse	2.25"	Clip	£29.26
L	AJT60N	-	60A	1.06"	Time Delay Fuse	2.38"	Clip	-	RFQ
M	AJT250N	-	250A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
A	AJT300EIB	-	300A	2.12"	Time Delay Fuse	7.13"	Clip or Bolted	-	RFQ
N	AJT35N	-	35A	1.06"	Time Delay Fuse	2.38"	Clip	-	RFQ

MERSEN FERRAZ -

HSJ Series Fuses, Class J, High-Speed

Style	Model	Current Rating	Diameter	Length	Price (inc. VAT)
A	HSJ1	1A	0.81"	2.25"	-	RFQ
B	HSJ3	3A	0.81"	2.25"	-	RFQ
C	HSJ6	6A	0.81"	2.25"	-	RFQ
D	HSJ10	10A	0.81"	2.25"	£29.60
E	HSJ20	20A	0.81"	2.25"	£54.37
F	HSJ25	25A	0.81"	2.25"	£54.37
G	HSJ30	30A	0.81"	2.25"	£47.86
H	HSJ35	35A	1.06"	2.38"	£65.92
I	HSJ40	40A	1.06"	2.38"	£65.92
J	HSJ45	45A	1.06"	2.38"	£65.92
K	HSJ50	50A	1.06"	2.38"	£65.92
L	HSJ60	60A	1.06"	2.38"	£65.92
M	HSJ70	70A	1.06"	4.63"	£130.53
N	HSJ80	80A	1.06"	4.63"	£132.45
O	HSJ90	90A	1.06"	4.63"	£132.45
P	HSJ100	100A	1.06"	4.63"	£132.45
Q	HSJ110	110A	1.62"	5.75"	-	RFQ
R	HSJ125	125A	1.62"	5.75"	£179.47
S	HSJ150	150A	1.62"	5.75"	£179.47
T	HSJ175	175A	1.62"	5.75"	£179.47
U	HSJ200	200A	1.62"	5.75"	£179.47
V	HSJ225	225A	2.12"	7.13"	£359.08
W	HSJ250	250A	2.12"	7.13"	£359.08
X	HSJ300	300A	2.12"	7.13"	£359.08
Y	HSJ350	350A	2.12"	7.13"	£359.08

MERSEN FERRAZ -

US6J Series Fuses

Style	Model	Number of Poles	Width	Price (inc. VAT)
A	US6J1	1	1.57"	£58.82
B	US6J3	3	4.72"	£85.71

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MERSEN FERRAZ Class J Fuses

Time-delay fuses for tolerating temporary inrush currents without nuisance blowing during startup loads in motors and transformers. However, units open to disconnect the circuit when exposed to sustained loads or short circuits. UL-listed & CSA-certified.

UL Class J Fuses

A4J Series Fast-Acting Fuses, Class J

AJT Series Time-delay Fuses, Class J

HSJ Series Fuses, Class J, High-Speed

US6J Series Fuses

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Looking for a part not listed here?

Explore More

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Recommendations

Functionality

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MERSEN FERRAZ Class J Fuses Time-delay fuses for tolerating temporary inrush currents without nuisance blowing during startup loads in motors and transformers. However, units open to disconnect the circuit when exposed to sustained loads or short circuits. UL-listed & CSA-certified.

UL Class J Fuses

A4J Series Fast-Acting Fuses, Class J

AJT Series Time-delay Fuses, Class J

HSJ Series Fuses, Class J, High-Speed

US6J Series Fuses

We are here to help!

Looking for a part not listed here?

Explore More

MERSEN FERRAZ Class J Fuses

Time-delay fuses for tolerating temporary inrush currents without nuisance blowing during startup loads in motors and transformers. However, units open to disconnect the circuit when exposed to sustained loads or short circuits. UL-listed & CSA-certified.