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Line Current Boosters

5 products found

A telephone line current booster augments available line current to an analog, two-wire bridged, ringing telephone line by an additional 30 mA. Boost a phone line with 20 mA of normal available line current to 50 mA with the addition of one of these booster circuits. Choose from single channel, four-channel and eight-channel current boosters. Heighten your commercial phone line’s power with a telephone line current booster from Grainger.Close

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  • Telephone Line Current Booster, Number of Channels 8, 120VAC

    Brand
    HUBBELL GAI-TRONICS
    Item #
    53GV98
    Mfr. Model #
    12600-404
    Telephone Line Current Booster, Number of Channels 8, 120VA
    Web Price $3,904.00 / each
  • Telephone Line Current Booster, Number of Channels 1, 48VDC @ 250mA (unregulated)

    Brand
    HUBBELL GAI-TRONICS
    Item #
    19G415
    Mfr. Model #
    12600-002
    Telephone Line Current Booster, Number of Channels 1, 48VDC
    Web Price $488.50 / each
  • Telephone Line Current Booster, Number of Channels 4, 48VDC

    Brand
    HUBBELL GAI-TRONICS
    Item #
    53GV95
    Mfr. Model #
    12600-401
    Telephone Line Current Booster, Number of Channels 4, 48VDC
    Web Price $2,191.00 / each
  • Telephone Line Current Booster, Number of Channels 4, 120VAC

    Brand
    HUBBELL GAI-TRONICS
    Item #
    53GV97
    Mfr. Model #
    12600-403
    Telephone Line Current Booster, Number of Channels 4, 120VA
    Web Price $2,381.00 / each
  • Telephone Line Current Booster, Number of Channels 8, 48VDC

    Brand
    HUBBELL GAI-TRONICS
    Item #
    53GV96
    Mfr. Model #
    12600-402
    Telephone Line Current Booster, Number of Channels 8, 48VDC
    Web Price $3,428.00 / each
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