Crow Bar circuit protects Transceivers & Tape Decks from runaway power supply voitage that can zap expensive components, OV 12 causes fuse in Power Supply to blow if voitage exceeds preset level (approx, 16 to 18 volts). Rated at 25 Amperes, $ 7.95

Model OV5 Protects 5 Volt circuits. Triggers at 7.5 Volts $8.95

Otherunits available at3.3to 10QTng-ger Voltages $10.95 ea

Aldeico can supply 3 PC boards. Silk screened front panel and complete instructions for only $12.50 & shipping.

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