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  •
    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:
    UP3P-235
    Brand:
    Lowell

    UP3P-235
    UltraLinx 66 Block Protector - 235V Clamp, 160mA PTC, Indicator Lights
  • Product Code:
    CAT6-75
    Brand:
    Lowell

    CAT6-75
    1 Gb rated, Surge Protector, protects 4 pair CAT6 rated cable, 75V clamping, 110 in/110 out POE
  • 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:
    UP3B-75
    Brand:
    Lowell

    UP3B-75
    UltraLinx 66 Block Protector - 75V Clamp, 350mA Fuse, Indicator Lights
  • 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:
    CT6-POE-RJ45
    Brand:
    Lowell

    CT6-POE-RJ45
    1Gb rated, Surge Protector, protects CAT6 rated cable, 75V clamping, Plastic housing, SECURITY RATED POE,POE+,POE++
  • Product Code:
    CAT6-LAN
    Brand:
    Lowell

    CAT6-LAN
    1 Gb rated, Surge Protector protects 4 pair CAT6 rated cable, 16V clamping, 110 in/110 out DATA
  • 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:
    MGBSGL-1
    Brand:
    Lowell

    MGBSGL-1
    UltraLinx - 25 Pair Ground Bar with 1 Ground Screw Lug USE WITH UP3B & UP3P devices
  • 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:
    1890ECT1-100
    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:
    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/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:
    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:
    CAT6A-75
    Brand:
    Lowell

    CAT6A-75
    10 Gb rated Surge Protector, protects 4 pair CAT6A rated cable 75V clamping 110in / 110 out POE
  • Product Code:
    CAT6-75-OP
    Brand:
    Lowell

    CAT6-75-OP
    1 Gb rated Surge Protector, protects 4 pair CAT6 rated cable, 75V clamping NEMA 4 housing, OUTDOOR RATED ENCLOSURE POE
  • Product Code:
    1880ENA1/NSC-50
    Brand:
    Circa

    50 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:
    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 ...