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B Series RFI power line filters are general-purpose low cost filters, which provide effective line-to-ground RFI filtering in most applications. Maximum Leakage Current (Line-to-Ground): 0.4 mA @ 120 VAC, 60 Hz; 0.7 mA @ 250 VAC, 50 Hz. Hipot Rating (1 minute): Line-to-Ground — 2250 VDC; Line-to-Line — 1450 VDC. Operating Frequency: 50/60 Hz. Maximum Rated Voltage: 250 VAC. Low leakage models and higher maximum line amp units available as custom order.