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3KC3 and 3KC6 transfer switching equipment3KC3 and 3KC6 transfer switching equipment
- Home
- Introduction
- General information
- Product information
- Functions
- Mounting
- Connection
- Network types
- Connecting the main circuit
- Connecting the control circuit
- Connecting the power supply and inputs of 3KC3 transfer switching equipment
- Connecting the inputs and outputs of the 3KC6 transfer switching equipment
- Mounting and connecting the dual power supply (DPS)
- Installing and connecting an autotransformer (400 V / 230 V)
- Mounting and connecting auxiliary switches
- Operation
- Commissioning
- Accessories
- Service and maintenance
- Technical specifications
- Dimension drawings
- Applications
- Transfer between two sources with one outgoing load
- Transfer between two sources with two outgoing loads
- Transfer between three sources with one outgoing load
- Transfer between three sources with two outgoing loads
- Transfer between two loads with one incoming source (with 3KC3 transfer switching equipment only)
- Appendix
- ESD guidelines
- List of abbreviations
Circuit diagram for the 3KC6 transfer switching equipment
The circuit diagram shows that the 3KC6 transfer switching equipment requires no external voltage supply, unlike the 3KC3 transfer switching equipment, and no wiring to the control unit.
NOTICE
The product is designed for a rated impulse withstand voltage Uimp of 6 kV for the main circuit and 2.5 kV for the control circuit.
When using the product in an application in which overvoltages of > 2.5 kV can occur, suitable measures, such as surge arresters, must additionally be taken to limit these overvoltages to a maximum of 2.5 kV.
Chap. 6.1.1.3