General 1. Protection against overload and short-circuit currents 2. Protection against the effects of sinusoidal alternating earth fault currents 3. Protection against indirect contacts and additional protection against direct contacts. 4. Protection against fire hazard caused by insulation faults 5. Used in residential building 6. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln， type D(10-20)ln Release Type Test cur...

Type Standard   IEC/EN 60947-2 IEC/EN 60898-1  Electrical features Rated current In A 63, 80, 100, 125 Poles P 1, 2, 3, 4 Rated voltage Ue V 230/400 Insulation voltage Ui V 500 Rated frequency Hz 50/60 Rated breaking capacity A 6000 Rated impulse withstand voltage(1.2/50) Uimp V 6000 Dielectric test voltage at ind. Freq. for 1min kV 2.5 Pollution degree   3 Thermo-magnetic release characteristic   8-12In B, C,D  Mechanical features Electrical life t 1500 Mechanical...

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                              1 Applicable scope The Y CQD 7 series intelligent integrated star delta starter ( here in after referred to as the starter ) is suitable for three - phase squirrel cage induction motors with AC 5 0 Hz , rated voltage of 3 8 0 V / 4 0 0 V , and rated working current of up to 1 1 0 A ( phase current when the starter is delta connected ) , ...

Medium Voltage Switchgear YVG-12 Solid Insulation Ring Network Cabinet YVG-12 series solid insulation ring network switchgear is a fully insulated, fully sealed, and maintenance free solid   insulation vacuum switchgear. The  ring  network  cabinet  has  the  characteristics  of  simple  structure,  flexible  operation, reliable  interlocking,  and convenient installation, and is suitable for 50Hz, 12 kV power systems. It is widely used in industrial and civil cable ring networks and distribu...

The voltage transform is the type of cast resin insulation and full enclosed, used for electric energy metering, voltage control and relay protection in the power systems of rated voltage 3kV, 6kV, and 10kV or below. Standard:IEC 61869-3   Selection Technical data 1.  Technical data form. 2.  Partial dischanage is inline with GB1207-2006 voltage transformer. 3.  Anti-pollution degree: see fig. Technical data Type Rated voltage ratio(V) Rated output(VA) Ultimate   output(VA) ...