Current Transformers Type aquot;WEaquot; dry-type indoor current transformers; 200 and 400 amp., 600 volts, and 600 ... Control Switch Application of this control switch, originally designed for oil circuit breaker operation, has been expanded, the manufacturer states, to include circuit control, instrument transfer and signaling. Switches ... Thermostatic Starter For application to motors of 1 hp. and less, this company has brought out manual motor starters featuring quick make and break operation, anbsp;...
|Title||:||Electrical World - A Review of Current Progress in Electricity and Its Practical Applications. Vol. CXll- July to December, 1939.|