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WOODWARD XE2 – DC current relay for loss of excitation protection XE2DC XE DC
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Update Terakhir
05 Apr 2020
Negara Asal
Germany
Pembelian Min
1 unit

Spesifikasi

Woodward XE2 – DC current relay for loss of excitation protection

Technical data
Measuring input circuits Rated frequency: 0 - 300 Hz Thermal withstand capability in current circuit: during 10 s 5 x In continuously 2 x In Power consumption in current path: at In = 10 A 0,2 VA Exciter current measuring: Rated exciter current In: 10 A DC (measuring range up to 17 A DC) Power consumption in measuring path: <1 VA Auxiliary voltage Rated auxiliary voltage Uv/ Power consumption: 19 - 390 V DC or 36 - 275 V AC (f = 40 - 70 Hz) 4 W (terminals A1-A2) Maximum interruption time UV = 24 V DC: tu = 8 ms, UV = 48 V DC: tu = 35 ms of auxiliary voltage tU UV > 60 V DC: tu = 50 ms Common data Dropout to pickup ratio: >95 % Resetting time from pickup: <40 ms Returning time from trip: 500 ms Minimum initialization time after supply voltage has applied: 200 ms Minimum response time when supply voltage is available: <120 ms Output relay Number of relays: 2 Contacts: 1 changeover contact for each trip relay Maximum breaking capacity: ohmic 1250 VA / AC resp. 120 W / DC inductive 500VA / AC resp. 75 W / DC Maximum rated voltage: 250 V AC 220 V DC ohmic load Imax = 0,2 A inductive load Imax = 0,1 A at L/R ≤ 50 ms 24 V DC inductive load Imax = 5 A Minimum load: 1 W / 1 VA at Umin ≤ 10 V Maximum rated current: 5 A Making current (16ms): 20 A Contact life span: 105 operations at max. breaking capacity Contact material: AgCdO System data Design standard: VDE 0435 T303; IEC 0801 part 1-4; VDE 0160; IEC 255-4; BS142; VDE 0871 Temperature range at storage and operation: - 25°C to + 70°C Constant climate class F acc. DIN 40040 and DIN IEC 68, part 2-3: more than 56 days at 40°C and 95 % relative humidity

 

Current Relay

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