NC9 AC Contactor
1.1 Certificates: CE, UKrSEPRO;
1.2 Electrical ratings: AC50Hz,
up to 1,140V, up to 1,000A;
1.3 Application: remotely makes and breaks circuit, combined with thermal over-load relay or some protective devices to be vacuum starter;
1.4 Ambient temperature: -5℃~+40℃;
1.5 Altitude: ≤2,000m;
1.6 Mounting category: Ⅲ
1.7 Mounting conditions: the inclination between mounting and vertical plane not exceed ±15°
1.8 Standard: IEC/EN 60947-4-1
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Personnel and fire protection: Cable and line protection against overload and short-circuits.
1.2 Selection
Rated residual operating current
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I∆n ≤300 mA: preventative fire protection in the case of ground fault currents.
Tripping class
AC class
Tripping is ensured for sinusoidal,alternating currents, whether they be quickly applied or slowly increase.
A class
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C curve (5-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
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1.1 Function
protection of circuits against short-circuit currentsprotection of circuits against overload currents,switch,isolation,
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1.2 Selection
Technical data of the network at the point consideredshort-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,
Network normal voltage.
Tripping curves:
B curve (3-5In)
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protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
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Technical data of the network at the point considered:the earthing systems (TNS, TNC),
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Tripping curves:
B curve (3-5In)
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Rated voltage: 240V ~ (1P), 415V ~ (2P, 3P, 4P);
Frequency: 50Hz;
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Number of poles: 1P, 2P, 3P, 4P;
Mechanical life: 20000 cycles;
Electrical life: 6000 cycles (In≤100A); 4000 cycles (In＞100A);
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This product can be applied to various places such as industrial, commercial, and tall buildings, and residential houses.
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