JJN LIMITRON™ 300V Class T Fast-acting Fuses

Description: Advanced protection Class T current -limiting,fast-acting fuses.

Catalog Symbol: JJN-(amp)

Ratings:
Volts: 300Vac (1-10A); 300Vac, 160Vdc (15-600A); 300Vac, 170Vdc (700-1200A)
Amps: 1-1200A
IR: 200kA Vac RMS Sym. 20kA Vdc (15-600A); 100kA Vdc (700-1200A)

Agency Information:
CE, UL Listed, Std. 248-15, Class T, Guide JDDZ, File E4273
CSA Certified, C22.2 No. 248.15, Class 1422-02, File 53787

Features:
• Small, space-saving fuses provide a high degree of current limitation on short-circuits for excellent component protection
• Commonly applied in electric heat circuits, load center, disconnect switches, and meters
• The small size of the JJN Class T fuses permits installation in panelboards and control centers for system upgrading when existing circuit breakers cannot safely interrupt larger available short-circuit currents
• High speed of response for semiconductor protection

Catalog Numbers (amps)

JJN-1	JJN-35	JJN-110	JJN-400
JJN-2	JJN-40	JJN-125	JJN-450
JJN-3	JJN-45	JJN-150	JJN-500
JJN-6	JJN-50	JJN-175	JJN-600
JJN-10	JJN-60	JJN-200	JJN-700
JJN-15	JJN-70	JJN-225	JJN-800
JJN-20	JJN-80	JJN-250	JJN-1000
JJN-25	JJN-90	JJN-300	JJN-1200
JJN-30	JJN-100	JJN-350

Dimensions – in

Time-Current Curves - Average Melt

Current-Limitation Curves

Current-Limiting Effects

Prosp.  S.C.C.  Gui	Let-Through Current  (Apparent RMS Symmetrical  Vs. Fuse Rating)
	15A	30A	60A	100A	200A	400A	600A	800A	1200A
500	1000	1000	1000	1000	1000	1000	1000	1000	1000
1000	1000	1000	1000	1000	1000	1000	1000	1000	1000
5000	1000	1000	1000	1000	2000	3000	5000	5000	5000
10,000	1000	1000	1000	2000	2000	4000	6000	7000	9000
15,000	1000	1000	1000	2000	3000	4000	6000	9000	10,000
20,000	1000	1000	1000	2000	3000	5000	7000	10,000	11,000
25,000	1000	1000	2000	2000	3000	5000	7000	10,000	12,000
30,000	1000	1000	2000	2000	3000	5000	8000	11,000	13,000
35,000	1000	1000	2000	3000	4000	6000	8000	11,000	13,000
40,000	1000	1000	2000	3000	4000	6000	9000	11,000	13,000
50,000	1000	1000	2000	3000	4000	7000	9000	12,000	15,000
60,000	1000	1000	2000	3000	4000	7000	10,000	13,000	16,000
70,000	1000	1000	2000	3000	5000	7000	10,000	14,000	17,000
80,000	1000	2000	2000	3000	5000	8000	11,000	15,000	17,000
90,000	1000	2000	2000	3000	6000	8000	11,000	15,000	18,000
100,000	1000	2000	2000	4000	6000	8000	12,000	16,000	19,000
150,000	1000	2000	3000	4000	6000	9000	13,000	17,000	22,000
200,000	2000	2000	3000	4000	7000	9000	15,000	19,000	23,000

 

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Custom Designs
Printed circuit board versions available up to 60 amps.
 
Dimensions - in

The JJN-XXL products are UL Component Recognized under Guide JFHR2, File E56412.

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