• Product Code:
    3B1E
    Brand:
    Circa

    5 PIN GAS TUBE 350V MODULE

    The 3B1E is a premium 5 pin, 3-element gas tube protector module that is designed to provide excellent transient and power fault protection for most standard telephone line applications. Circa's gas tube modules are perfectly suited to remote location and low pair count applications that require heavyduty current handling ...
  • Product Code:
    4B1FS-240
    Brand:
    Circa

    5 PIN SOLID STATE 240V MODULE WITH PTC

    The 3B1S-300 & 3B1FS-240 premium series 5-pin solid-state protector modules are designed to provide superior transient and power fault protection for most standard telephone line applications. These solidstate modules are particularly suited to applications that require the protection of very sensitive digital equipment due to their nano-second reaction time. The balanced ...
  • Product Code:
    3B1S-300
    Brand:
    Circa

    5 PIN SOLID STATE 300V BLACK MODULE

    The 3B1S-300 & 3B1FS-240 premium series 5-pin solid-state protector modules are designed to provide superior transient and power fault protection for most standard telephone line applications. These solidstate modules are particularly suited to applications that require the protection of very sensitive digital equipment due to their nano-second reaction time. The balanced ...
  • Product Code:
    3B1FS-240
    Brand:
    Circa

    5 PIN SOLID STATE 240V MODULE

    The 3B1S-300 & 3B1FS-240 premium series 5-pin solid-state protector modules are designed to provide superior transient and power fault protection for most standard telephone line applications. These solidstate modules are particularly suited to applications that require the protection of very sensitive digital equipment due to their nano-second reaction time. The balanced ...
  • Product Code:
    2625QC/QC
    Brand:
    Circa

    25 PAIR BET 66-66 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    4B3S-75
    Brand:
    Circa

    5 PIN SOLID STATE 75V RED MODULE WITH PTC

    The low voltage series 5-pin solid-state protector modules are designed to provide superior transient and power fault protection for most data line applications, including RS-232. The 3B3S-30 is an ideal replacement for applications using 30 volt, 600 and 1500-watt avalanche and zener diodes. The 30-volt solid-state module's 75 Amp ...
  • Product Code:
    4B1S-300
    Brand:
    Circa

    5 PIN SOLID STATE 300V MODULE WITH PTC

    The premium series 5-pin solid-state protector modules are designed to provide superior transient and power fault protection for most standard telephone line applications. These solidstate modules are particularly suited to applications that require the protection of very sensitive digital equipment due to their nano-second reaction time. The balanced configuration of ...
  • Product Code:
    1890ECT1-50
    Brand:
    Circa

    50 PAIR BET 66-66 COVER AND SPLICE

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...
  • Product Code:
    2606QC/QC
    Brand:
    Circa

    6 PAIR BET 66-66 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    4B1E
    Brand:
    Circa

    5 PIN GAS TUBE 350V MODULE WITH PTC

    The 4B1E is a premium 5 pin, 3-element gas tube protector module that is designed to provide excellent transient and power fault protection for most standard telephone line applications. Circa's gas tube modules are perfectly suited to remote location and low pair count applications that require heavyduty current handling ...

  • Product Code:
    1880ECA1-100
    Brand:
    Circa

    100 PAIR BET 110-110 COVER AND SPLICE

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...
  • Product Code:
    1890ECT1-100
    Brand:
    Circa

    100 PAIR BET 66-66 COVER AND SPLICE

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...
  • Product Code:
    2650QC/QC
    Brand:
    Circa

    50 PAIR BET 66-66 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1890ECT1/NSC-100
    Brand:
    Circa

    100 PAIR BET 66-66 COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion.Equipped with internal fuse link ...

  • Product Code:
    1880ECA1-50
    Brand:
    Circa

    50 PAIR BET 110-110 COVER AND SPLICE

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...
  • Product Code:
    26100QC/QC
    Brand:
    Circa

    100 PAIR BET 66-66 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    2612QC/QC
    Brand:
    Circa

    12 PAIR BET 66-66 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1880ENA1/NSC-6
    Brand:
    Circa

    6 PAIR BET 110-110 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1880ENA1/NSC-25
    Brand:
    Circa

    25 PAIR BET 110-110 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1880ENA1/NSC-100
    Brand:
    Circa

    100 PAIR BET 110-110 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1880ENA1/NSC-200
    Brand:
    Circa

    200 PAIR BET 110-110 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1890ECT1/NSC-25
    Brand:
    Circa

    25 PAIR BET 66-66 COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1890ECT1/NSC-50
    Brand:
    Circa

    50 PAIR BET 66-66 COVER

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...

  • Product Code:
    1890ECT1-25
    Brand:
    Circa

    25 PAIR BET 66-66 COVER AND SPLICE

    These 16 AWG powder coated steel building entrance terminals feature reliable 66 Block Style Connector for both input and output terminals. Connectors can accept up to 20 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...
  • Product Code:
    1880ENA1/NSC-12
    Brand:
    Circa

    12 PAIR BET 110-110 NO COVER

    These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link ...