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KYN61-40.5 Metal-clad Withdrawable AC Metal Enclosed Switchgear
1. Brief Introduction
KYN61-40.5 Metal-clad Withdrawable AC Metal Enclosed Switchgear (hereinafter referred to as the switchgear) is used in 40.5kV three-phase AC 50Hz power system. It is used to receive and distribute electrical energy as the power distribution room of the power plants, substations and industrial and mining enterprises, which has the control, protection, monitoring and other functions. It can be widely used for the general power systems, and can also be used for places with frequent operation. The operating environment conditions in accordance with the normal operating environment conditions specified in GB3906.
The main features are as follows: the novel fully-insulated vacuum circuit breaker is equipped in the cabinet, and the assembly structure is adopted for the cabinet, which improves the product appearance and quality and mating precision of the handcart and cabinet. It is very easy to push in and pull out the handcart. It guarantees exchange, producing and assembly can be rapidly organized. Timely delivery is ensured, the utilization rate of the floor area required for assembly is improved, and the advantages of batch production are easily formed.
It can achieve operation with door closed. Various normal operations can be conducted when the circuit breaker room door is closed, including circuit breaker opening and closing, circuit breaker handcart pushed to the working position and pulled out to the test / isolated position and opening and closing of the grounding switch.
2. Standards
The product conforms to: GB3906-2006 AC Metal-enclosed Switchgear for Rated Voltages of 3~35kV, GB/T11022-2011 Common Specifications for High-voltage Switchgear and Controlgear Standards, and IEC60298:1990 AC Metal-enclosed Switchgear and Controlgear for Rated Voltages from 1 kV to 52 kV.
The utilization rate of the floor area required is easy for forming batch production.
It can realize close door operation. Various normal operations can be conducted when the circuit breaker room door is closed, including circuit breaker opening and closing circuit breaker handcart pushed to the working position and quitting to the test / isolated position and opening and closing of the grounding switch.
Item Unit Data Rated Voltage KV 40.5 1min Industrial Frequency Withstand Voltage KV 95 Lightning Impulse Withstand Voltage KV 185 Rated Frequency Hz 50 Rated Current of the Main Bus A 1250, 1600, 2000, 2500, 3150* Rated Current of the Branch Bus A 1250, 1600, 2000, 2500, 3150* Rated Short-time Withstand Current (effective value), 4s KA 25, 31.5 Rated Peak Withstand Current (peak value) KA 63, 80 Auxiliary Supply Voltage V AC:110, 220 DC:110, 220 Enclosure Protection Degree IP4X Protection Level when the circuit breaker door is opened IP2X Weight kg 850~1850 Forced Air Cooling is required
Name Unit Data External dimensions (width x depth x height) mm 1400x2800(3000)x2800 1．The cabinet structure is assemble type, and the structure of handcart landing type is adopted for the circuit breaker;
2．The brand new composite insulation vacuum circuit breaker is equipped, which has the features of good interchangeability and simple replacement;
3．The screw rod nut propulsion mechanism is installed in the handcart frame, which can easily move the handcart, so as to prevent damage to the propulsion structure due to misoperation;
4．All operations can be conducted with the cabinet door closed;
5．Mandatory mechanical locking is adopted for interlocking among the main switch, handcart and switch cabinet door, so as to satisfy 'five prevention' function;
6．The space of the cable chamber is sufficient, and multiple cables can be connected;
7．The quick grounding switch is used for grounding and loop short circuit;
8．The housing protection degree is IP3X, and the protection degree is IP2X when the handcart chamber door is opened.
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