CIRCA TELEPHONE PROTECTION

The following is an index to technical data sheets for Circa telephone surge protectors and terminal blocks.

Comprehensive table of these contents

Building Entrance Terminals

Indoor

• 1880 Series - 25, 50, 100-pr; cable/110 in; 110 out
• 1880ENM1-25 - MS² in; 110 out
• 1880ENM1-50 -MS² in; 110 out
• 1880ECM1-100 - MS² in; 110 out
• 1890 Series - 25, 50, 100-pr:25' swivel stub/MS²/110 in; 66/110 out
• 1890ECM1-25 - MS² in; 66 out
• 1890ECM1-50 - MS² in; 66 out
• 1890ECM1-100 - MS² in; 66 out
• 1900/2000 Series - 50, 100-pr; cable in; cable out
• 2100 Series - 25 pr; bix/cable in; bix/cable out
• 2406B Series - 6 pr; bix in; bix out
• 2412B Series - 12 pr; bix in; bix out
• 2606 QC2 Series - 6-pr Blocks; 66 in; 66 out
• 2612QC Series - 12 pr; 66 in; 66 out
• 2625QC Series - 25 pr; 66 in; 66 out

Outdoor

• 3000P Series 6, 10,12,25 pr; bix/66 in; box/66 out

• NEMA 4X 4000N Series 6, 12, 25, 50, 100; fiberglass; metal; 66 in - 66 out; 110 in - 110 out.
  

• 4400 Series stub in; IDC out
  

• C3B1FS & C3B1S - Standard Series
• C3B1FS-Bal & C3B1S-Bal & 4B1S - Premium Series
• 3B1S, 3B1FS & 4B1S, 4B1FS - Premium Series
• C3SS Series Low Voltage Data Series
• C6SS Series - Secondary Protection
  

• C3B1E-Bal and C4B1E-PTC/BAL Series Heavy Duty
• 3B1E
• 4B1E
• CT3B1E Bal and CT4B1E PTC/BAL Series
  

• 1356 Series 3-element gas
• 1360 Series Solid State
• 1357 Series Enclosure