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Related Manuals for CNC YCM8C Series
Summary of Contents for CNC YCM8C Series
- Page 1 YCM8C Series External Circuit Breaker...
- Page 2 1.Usage The YCM8C series external circuit breaker(hereinafter referred to as"circuit breaker")has a rated insulation voltage of 1000V, and is suitable for power distribution networks with AC 50Hz or 60Hz, rated voltage of 400V and below, and rated current up to 1250A. Under normal circumstances, the circuit breaker can be used as infrequent on-off control for circuits and infrequent starting for motors.
- Page 3 Table 1 In(A) Ue±5%(V) Icu(kA) Ics(kA) 250 to 250 250~630 630~1000 3.14. The electric operating mechanism of the circuit breaker can reliably operate the circuit breaker for switching on and off at 85%~110% of the rated control power supply voltage. 3.15.
- Page 4 3.17 Temperature rise limit of circuit breaker Under the condition that the main circuit of the circuit breaker is energized with the rated current and the control circuit is energized with the maximum rated control voltage, the temperature rise value of each component of the circuit breaker shall not exceed the required values specified in Table 3.
- Page 5 5.Electrical control schematic diagram and explanation 5.1Electrical control schematic Figure 2. Apply to 415V/240V system Electric Operotion Meter Terminol Uc=AC230V C NO Reloy Terminol Control Line MCCB LOAD Figure 2 5.2. Connection and Operation Instructions 5.2.1. P1 and P2 are the power supply connection terminals for operation. P1 and P2 are isolated from the main circuit of the circuit breaker and can withstand AC 2000V/1min of AC voltage without breakdown or flashover.
- Page 6 5.3. See Table 4 for the control status of the circuit breaker. Control Control Serial Panel Control Initial Post-operation Note signal line Number power lock mode state status (Control signal from off to from off opening closing AC230V unlock Automatic on) Received closing signal to on keep...
- Page 7 6.5.The circuit breaker wiring method for the terminal block is shown in Figure 3,Figure 4-1,Figure 4-2,and Figure 5,where the terminals are made of tin-plated copper. 6.6.Figure 3 shows a wiring structure with a rated current of 250A(including 250A)and the same suspension ring structure for incoming and outgoing wires;...
- Page 8 6.7 Overall dimensions of the body Figure 6 Table 5 (Unit: mm) Specifica tions 250/3P 400/3P 630/3P 800/3P 1000/3P 275.5 275.5 275.5 43.5 243.5 243.5 243.5 22.5 φd 4×Φ4.5 4×Φ7 4×Φ8 4×Φ8 4×Φ8...
- Page 9 6.8 Dimensions with protective cover Figure 7 Specifica tions 250/3P 400/3P 630/3P 800/3P 1000/3P 67.5...
- Page 10 7.Installation and Usage Precautions To ensure your personal safety and the safety of your electrical equipment, please make sure to do the following before operating the circuit breaker: 7.1.Carefully read the product user manual and the ECB installation and operation guide before installing and using the circuit breaker. 7.2.Before installing and using the circuit breaker, confirm that its specifications and model are in compliance with requirements.
- Page 11 YCM8C Series...
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