Certificate |
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ShUR-1 and ShUR-2 disconnecting device control cabinets are designed to control one or two disconnecting devices. They are used at the electric generating stations and substations.
Structurally they are box type Hang type cabinets. Disconnector control assemblies, resistors and electric heaters for heating, an appliance receptacle, a lamp, and a lamp switch are installed inside the cabinets. A power supply circuit of the electric heater and lamps are protected with an automatic circuit breaker. External cables are connected from the bottom through gland boxes.
The cabinets carry out phase control of the drives of one disconnecting device by opening and closing sequentially each of the three phases of a disconnecting device (SHUR-1), and carry out three-phase control of two disconnecting devices by opening and closing simultaneously all the phases of a disconnecting device (SHUR-2). ShUR-1 disconnecting device control cabinet contains three control assemblies of the same type, ShUR-2 disconnecting device control cabinet contains two such assemblies.
ShUR series cabinets are manufactured in accordance with technical requirements of GOST R 51321.1-2007 and TS-3434-002-50617349-2015.
Characteristic |
Value |
---|---|
Embodiment type | Ground type / Hang type |
Rated voltage, V | 0,4 / 0,66 |
Control circuit voltage, V | ~24VDC / ~220VDC/ =24VAC/ =220VAC special design is possible |
Contact rating current, A |
Ground type: Up to 400 inclusive |
Hang type: Up to 400 inclusive |
|
Frequency, Hz | 50 |
Frequency, Hz | up to 25 |
Color, RAL color standard | 7035 special coloring is possible |
Maintenance method |
Ground type: Single-end |
Hang type: Single-end |
|
Islanding form |
Ground type: Up to 2b inclusive |
Hang type: Up to 2b inclusive |
|
Ingress protection rating, IP | Up to IP55 inclusive according to GOST 14254-2015 IEC 60529:2013 |
Environmental class | U1 by default according to GOST 15150-69 Other embodiment is possible |