Circa Telephone Surge Protection products by number of Pairs
6 Pair Protectors


600-110-2US		 Model No


1880110US-6		 Input


110 		 Output


110 		 Splice Cham-
ber
 Cover
904001 4006-QC 66 66   x
  4006M-QC 66 66   x
904000 4006-110 110 110   x
  4006M-110 110 110   x
101001 2606QC/QC6 66` 66    

12 Pair Protectors
          
104003 2612QC/QC 66 66    
904002 4012-QC 66 66   x
  4012M-QC 66 66   x
  4012-110 110 110   x
  4012M-110 110 110   x

25 Pair Protectors
          
308001 1880ENA1/NSC-25 110 110    
304004 1880ECA-25G 110  110 X X
301002C25 1880B1-25 Cable 25' 26GA 110    
305006 1880ENP1-25G MS2 110 X  
305307 1880ENS1-25 710 110 X  
305006 1880ENM1-25 MS2 110 x  
108006 1890ECM1-25 MS2 66 x x
501001C25 1890BC1-25 Cable25' 26GA 66   X
107005 1890ECT1-25 66 66 X X
111009 1890ECT1/NSC-25 66 66   X
114012 2625QC/QC 66 66    
10907 1890ECS1-25 710 66 X X
206006A15 2100SD-25 Bix Cable 15' 28GA X X
904003 4025-QC 66 66 x x
  4025M-QC 66 66 x x
904003 4025-110 110 110 x x
  4025M-110 110 110 x x

50 Pair Protectors
          
315015 1880ENAA1/NSC-50 110 110    
316016 1880ECA1-50G 110 110 X X
313014C25 1880B1-50 Cale25'26GA 110    
317018 1880ENP1-50G MS2 110 X  
318019 1880ENS1-50 710 110 X  
  1880ENM1-50 MS2 110 x  
411011C25A25 2050-50 Cable 25' 26GA Cable 25' 24GA   X
511011C25 1890BC1-50 Cable 25' 26GA 66   X
124022 1890ECM1-50 MS2 66 X X
125023 1890ECS1-50 710 66 X X
127025 1890ECT1/NSC-50 66 66   X
123021 1890ECT1-50 66 66 X X
218028A15 2251B-50 Bix Cable 15' 26GA X X
90407 4050-QC 66 66   x
  4050M-QC 66 66   x
90405 4050-110 110 110   x
  4050M-110 110 110   x
999992 50-pair cover n/a n/a    

100 Pair Protectors
          
328028 1880ENA1/NSC-100 110 110    
329029 1880ECA1-100G 110 110 X X
326027C25 1880B1-100 Cabble 25' 26GA 110    
329030 1880ECM-100 MS2 110 x x
329030 1880ECP1-100G MS2 110 X X
329031 1880ECS1-100 710 110 X X
416016C25A25 1900A1-100 Cable 25' 26GA Cable 25' 24GA    
416016C01A01 1900A1-100 Cable 100' 26GA Cable 100' 24GA    
417018C25A25 2000-100 Cable 25' 26GA Cable 25' 24GA   X
521021C25 1890BC1-100 Cable 25' 26GA 66   X
134031 1890ECM1-100 MS2 66 X X
135032 1890ECS1-100 710 66 X X
137034 1890ECT1-NSC-100 66 66   X
133030 1890ECT1-100 66 66 X X
132029 2200QCRJ 66 66 & RJ X X
220030A15 2201F-100 Bix Cable 15' 28GA X X
90406 4100-110 110 110   x
  4100M-110 110 110   x

 


Station Protectors
 Model No. Description
801002 1356 Gas Protectors
801007 1360B Solid State Protectors - Balanced
837038 1357 Station Protector Enclosures
837037 1357-1G Enclosure wth 1 Gas Module
837041 1357-2G Enclosure with 2 Gas Modules
837039 1357-1S Enclosure with 1 Solid State Module
837040 1357-2S Enclsoure with 2 Solid State Modules
8380001 512-0 3-12 pair Outdoor Station Protector
838025 525-0 13-25 pair Outdoor Station Protector
UMM100013 515-0 Outdoor Box fits 8-12-25 pairs

CAT-5 Protectors
    
841001 10 Base T/100 4 pair CAT-5 protector

5-Pin Protector Modules
    
701001 Short 3B1E Short black gas module
750001 3B1E Standard black gas module
750013 C3B1S Solid state black standard module
750029 3B1S Solid state black premium module 300V
750033 3B1FS Solid state black premium module 240V
750031 4B1S Solid state black premium module 300V
750035 4B1FS Solid state black premium module 240V
750003 C4B1E Standard black gas module with heat coil
750029 & 
750031		 C3B1S-BAL & C4B1S-BAL Solid state balanced black module with heat coil
736035 C6SS-GTB Solid State black module low voltage
736036 C6SS-GTR Solid state red module low voltage
735020 C3SS-GTB Solid state black module low voltage
735021 C3SS-GTR Solid state red module low voltage