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1-800-998-1621

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CIRCA 4B3S-75
CIRCA 4B3S-75
Part #CIRCA 4B3S-75 SOLID STATE PROTECTOR MODULE 75V
MFG #4B3S-75
CIRCA 506-A350
CIRCA 506-A350
Part #CIRCA 506-A350 6 PAIR TELEPHONE PROTECTOR 350V CLAMPING VOLTAGE
MFG #506-A350
CIRCA 1880ENA1/NSC-50
CIRCA 1880ENA1/NSC-50
Part #CIRCA 1880ENA1/NSC-50 50PR BET 110IN/110OUT WITH COVER, NO SPLICE CHAMBER
MFG #1880ENA1/NSC-50
CIRCA 604-30110
CIRCA 604-30110
Part #CIRCA 604-30110 CAT6 PROTECTOR INDOOR BET,NO COVER,30V 4PAIR COUNT,INPUT 110,OUTPUT 110
MFG #604-30110
CIRCA 4B1E
CIRCA 4B1E
Part #CIRCA 4B1E CIRCA SOLID STATE MODULE
MFG #4B1E
CIRCA 1880ECA1-50
CIRCA 1880ECA1-50
Part #CIRCA 1880ECA1-50 50 PAIR BUILDING ENTRANCE TERMINAL 110 IN/OUT W/ SPLICE CHAMBER & COVER
MFG #1880ECA1-50
CIRCA 1880ENA1/NSC-100
CIRCA 1880ENA1/NSC-100
Part #CIRCA 1880ENA1/NSC-100 CIRCA ENTRANCE TERMINAL 100 PAIR
MFG #1880ENA1/NSC-100
CIRCA 4B1S-300
CIRCA 4B1S-300
Part #CIRCA 4B1S-300 SOLID STATE MODULE
MFG #4B1S-300
CIRCA 1880ENA1/NSC-200
CIRCA 1880ENA1/NSC-200
Part #CIRCA 1880ENA1/NSC-200 200 PAIR BUILDING ENTRANCE TERMINAL, NO COVER, WALL OR RACK MOUNTABLE
MFG #1880ENA1/NSC-200
CIRCA 2650QC/QC
CIRCA 2650QC/QC
Part #CIRCA 2650QC/QC 50 PAIR BUILDING ENTRANCE TERMINAL 66 IN/66 OUT BASIC BLOCK UNIT
MFG #2650QC/QC
CIRCA 4B1FS-240
CIRCA 4B1FS-240
Part #CIRCA 4B1FS-240 240V 5PIN SOLID STATE SURGE PROTECTION MODULE WITH PTC SELF RESETTING CURRENT LIMITER
MFG #4B1FS-240
CIRCA 2625QC/QC
CIRCA 2625QC/QC
Part #CIRCA 2625QC/QC 25 PAIR INDOOR BUILDING ENTERANCE TERMINAL 66 STYLE INPUT/OUTPUT W/O COVER
MFG #2625QC/QC
CIRCA 3B1E
CIRCA 3B1E
Part #CIRCA 3B1E CIRCA GAS MODULE
MFG #3B1E
CIRCA 1880ECA1-25
CIRCA 1880ECA1-25
Part #CIRCA 1880ECA1-25 25 PAIR 110 CONNECTION BUILDING ENTRANCE TERMINAL W/ COVER & SPLICE CHAMBERS
MFG #1880ECA1-25
CIRCA 1880ENA1/NSC-6
CIRCA 1880ENA1/NSC-6
Part #CIRCA 1880ENA1/NSC-6
MFG #1880ENA1/NSC-6
CIRCA 1880ENA1/NSC-12
CIRCA 1880ENA1/NSC-12
Part #CIRCA 1880ENA1/NSC-12 CIRCA ENTRANCE TERMINAL 12 PAIR
MFG #1880ENA1/NSC-12
CIRCA 4B3S-75
CIRCA 4B3S-75
Part #CIRCA 4B3S-75 SOLID STATE PROTECTOR MODULE 75V
MFG #4B3S-75
CIRCA 506-A350
CIRCA 506-A350
Part #CIRCA 506-A350 6 PAIR TELEPHONE PROTECTOR 350V CLAMPING VOLTAGE
MFG #506-A350
CIRCA 1880ENA1/NSC-50
CIRCA 1880ENA1/NSC-50
Part #CIRCA 1880ENA1/NSC-50 50PR BET 110IN/110OUT WITH COVER, NO SPLICE CHAMBER
MFG #1880ENA1/NSC-50
CIRCA 604-30110
CIRCA 604-30110
Part #CIRCA 604-30110 CAT6 PROTECTOR INDOOR BET,NO COVER,30V 4PAIR COUNT,INPUT 110,OUTPUT 110
MFG #604-30110
CIRCA 4B1E
CIRCA 4B1E
Part #CIRCA 4B1E CIRCA SOLID STATE MODULE
MFG #4B1E
CIRCA 1880ECA1-50
CIRCA 1880ECA1-50
Part #CIRCA 1880ECA1-50 50 PAIR BUILDING ENTRANCE TERMINAL 110 IN/OUT W/ SPLICE CHAMBER & COVER
MFG #1880ECA1-50
CIRCA 1880ENA1/NSC-100
CIRCA 1880ENA1/NSC-100
Part #CIRCA 1880ENA1/NSC-100 CIRCA ENTRANCE TERMINAL 100 PAIR
MFG #1880ENA1/NSC-100
CIRCA 4B1S-300
CIRCA 4B1S-300
Part #CIRCA 4B1S-300 SOLID STATE MODULE
MFG #4B1S-300
CIRCA 1880ENA1/NSC-200
CIRCA 1880ENA1/NSC-200
Part #CIRCA 1880ENA1/NSC-200 200 PAIR BUILDING ENTRANCE TERMINAL, NO COVER, WALL OR RACK MOUNTABLE
MFG #1880ENA1/NSC-200
CIRCA 2650QC/QC
CIRCA 2650QC/QC
Part #CIRCA 2650QC/QC 50 PAIR BUILDING ENTRANCE TERMINAL 66 IN/66 OUT BASIC BLOCK UNIT
MFG #2650QC/QC
CIRCA 4B1FS-240
CIRCA 4B1FS-240
Part #CIRCA 4B1FS-240 240V 5PIN SOLID STATE SURGE PROTECTION MODULE WITH PTC SELF RESETTING CURRENT LIMITER
MFG #4B1FS-240
CIRCA 2625QC/QC
CIRCA 2625QC/QC
Part #CIRCA 2625QC/QC 25 PAIR INDOOR BUILDING ENTERANCE TERMINAL 66 STYLE INPUT/OUTPUT W/O COVER
MFG #2625QC/QC
CIRCA 3B1E
CIRCA 3B1E
Part #CIRCA 3B1E CIRCA GAS MODULE
MFG #3B1E
CIRCA 1880ECA1-25
CIRCA 1880ECA1-25
Part #CIRCA 1880ECA1-25 25 PAIR 110 CONNECTION BUILDING ENTRANCE TERMINAL W/ COVER & SPLICE CHAMBERS
MFG #1880ECA1-25
CIRCA 1880ENA1/NSC-6
CIRCA 1880ENA1/NSC-6
Part #CIRCA 1880ENA1/NSC-6
MFG #1880ENA1/NSC-6
CIRCA 1880ENA1/NSC-12
CIRCA 1880ENA1/NSC-12
Part #CIRCA 1880ENA1/NSC-12 CIRCA ENTRANCE TERMINAL 12 PAIR
MFG #1880ENA1/NSC-12