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Line Current Boosters

5 results found that include 5 products

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 4, 48VDC
    Telephone Line Current Booster, Number of Channels 4, 48VDC
    • HUBBELL GAI-TRONICS
    • Item # 53GV95
    • Mfr. Model # 12600-401
    • Telephone Line Current Booster, Number of Channels 4, Power Supply 48VDC, Input Voltage 48VDC + 20 Percent,...More

  • Telephone Line Current Booster, Number of Channels 8, 48VDC
    Telephone Line Current Booster, Number of Channels 8, 48VDC
    • HUBBELL GAI-TRONICS
    • Item # 53GV96
    • Mfr. Model # 12600-402
    • Telephone Line Current Booster, Number of Channels 8, Power Supply 48VDC, Input Voltage 48VDC + 20 Percent,...More

  • Telephone Line Current Booster, Number of Channels 4, 120VA
    Telephone Line Current Booster, Number of Channels 4, 120VA
    • HUBBELL GAI-TRONICS
    • Item # 53GV97
    • Mfr. Model # 12600-403
    • Telephone Line Current Booster, Number of Channels 4, Power Supply 120VAC, Input Voltage 85 to 264VAC @ 50/60...More

  • Telephone Line Current Booster, Number of Channels 1, 48VDC
    Telephone Line Current Booster, Number of Channels 1, 48VDC
    • HUBBELL GAI-TRONICS
    • Item # 19G415
    • Mfr. Model # 12600-002
    • Telephone Line Current Booster, Number of Channels 1, Power Supply 48VDC @ 250mA (unregulated), Input Voltage...More

  • Telephone Line Current Booster, Number of Channels 8, 120VA
    Telephone Line Current Booster, Number of Channels 8, 120VA
    • HUBBELL GAI-TRONICS
    • Item # 53GV98
    • Mfr. Model # 12600-404
    • Telephone Line Current Booster, Number of Channels 8, Power Supply 120VAC, Input Voltage 85 to 264VAC @ 50/60...More

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