Fuse Holders

 

Marathon® Special Products provides many NEMA/barrier style fuse holders with different terminal options for the majority of North American fuses and several enclosed (European/IEC) styles.

 

 
  Product Line Styles  Amp / Volt Range Withstand / SCCR
 

CC Class

 

For branch and small motor 
protection where high 
current limitation is required.

 

 

 

Barrier 
Enclosed

 

 30-60 A 
 600 V

 200,000

 

 

Fused Disconnect Switch

 

For CC fusing; the Fused Disconnect 
Switch incorporates the switch 
functionality of a circuit breaker with 
the high protection level of a fuse.

 


Enclosed 
30 A 
600 V 
 200,000 
 

General Purpose (Semi-conductor)

 

Recognized fuse holders for 
semi-conductor, L Class or others 
with variable geometry and 
include bolt down mounting profiles.

 

Stud
Stud/Terminal 
100-1200 A 
1000 V 
 

H Class

 

For protection where frequent outages 
are common and low levels of available 
fault current are available. 

 

Open
Panel-Board 
 30-600 A 
250-600 V 
10,000 
 

J Class

 

For maximum protection of motors, 
controllers or panels

 

 Open 
Enclosed
30-600 A 
250-600 V 
 200,000
 

L Class

 

For circuits with higher ampacity ranges 
than J Class, but maintain the high 
performance characteristics.

 

Open  200-800 A 
600 V 
-
 

Midget (10x38)

 

Supplemental fuses similar to 
the size of a CC, used in more 
general applications where current 
limitation requirements are lower.

 

Open 
Enclosed 
Sectional 
30-60 A 
600 V 
 

Photovoltaic

 

Designed for bus bar termination. 
Uniquely designed with terminals 
to accept standard stock bus bar 
eliminating the need for custom 
fabricated bus bar.

 

Enclosed  Up to 30 A 
1000 V 
30,000 
 

R Class

 

For higher levels of protection at the same 
size of the H Class, where higher levels of 
fault current potential exists. 

 

 Open 30-600 A 
250-600 V 
200,000 
 

T Class

 

For a high degree of protection 
and half to a third the size of 
R Class fuses. 

 

Open  30-600 A 
300-600 V 
200,000 

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