Function Range or value
Trip ground fault resistance
value
Approx. 1–20 kΩ
Influence of harmonics in the
DC field voltage
Negligible influence of 50 V,
150 Hz or 50 V, 300 Hz
Permitted leakage
capacitance
(1–5) μF
Permitted shaft grounding
resistance
Maximum 200 Ω
Protective resistor 220 Ω, 100 W, plate
(the height is 6,2 inches (160
mm) and width 5,31 inches
(135 mm))
1MRK 502 066-UUS B Section 11
Multipurpose protection
719
Technical manual
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