Design factors of magnetic holding type OBX.3 high speed circuit breaker manufactured by English Electric Co which is rated for traction duty up to 3000 amps at 750 or 1500 v or 2000 amps at 3300 v with superimposed short time overloads.
Switching of D.C. Traction feeders
Ry Gaz
Railway Gazette ; 100 , n 8
1954
3 pages
Aufsatz (Zeitschrift)
Englisch
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Underground feeders for electric traction
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