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What are the requirements integration of outdoor cabinet of safety
by：TNE
2021-04-01
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Integration of outdoor cabinet is mainly used for wireless communication base stations, including a new generation of 3 g systems, communication/network integrated services, access/transport exchange station, emergency communication/transmission, etc.
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the integration of outdoor cabinet generally divided into power cabinets, equipment cabinets, battery tank, such as integrated wiring cabinet, cabinets, and cabinets by the single, or a few groups assembled installation, chassis cabinets should comply with the GB4942 resistance voltage requirements. 2 - Low voltage electrical standard protection grade.
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earthing protection:
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1。 Cabinet should be set grounding, grounding line should use copper material, its cross-sectional area not less than 50 mm, and set aside at least eight appropriate to the size of the connecting screw holes and equipped with corresponding copper screw.
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2。 Metal part of the cabinet should be interconnected and grounding line, between any two points of connection resistance should be less than 0. 1Ω。
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3。 Cabinet in other devices connected to the earthing protection row, row grounding resistance less than 4 Ω.
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4。 Incase all grounding connection of outer sheath should be adopted for the yellow and green cable, wire cross-sectional area should not be less than 16 mm copper core.
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5。 Grounding connection points should have a clear identity.
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security protection:
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1。 Enclosure door cabinet shall be installed anti-theft lock, fixed bolt cabinet must be open to install and remove the cabinet door.
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2。 The locks, cabinet shell use damage resistance should be consistent with the GA/T - 73 In the 1994 class B requirements.
;
integration cabinet by single or several groups of tank and tank way, equipment, power supply, battery and integrated wiring, air conditioning, can reduce the power, and can improve the efficiency of artificial maintenance.
;
the integration of outdoor cabinet generally divided into power cabinets, equipment cabinets, battery tank, such as integrated wiring cabinet, cabinets, and cabinets by the single, or a few groups assembled installation, chassis cabinets should comply with the GB4942 resistance voltage requirements. 2 - Low voltage electrical standard protection grade.
;
earthing protection:
;
1。 Cabinet should be set grounding, grounding line should use copper material, its cross-sectional area not less than 50 mm, and set aside at least eight appropriate to the size of the connecting screw holes and equipped with corresponding copper screw.
;
2。 Metal part of the cabinet should be interconnected and grounding line, between any two points of connection resistance should be less than 0. 1Ω。
;
3。 Cabinet in other devices connected to the earthing protection row, row grounding resistance less than 4 Ω.
;
4。 Incase all grounding connection of outer sheath should be adopted for the yellow and green cable, wire cross-sectional area should not be less than 16 mm copper core.
;
5。 Grounding connection points should have a clear identity.
;
security protection:
;
1。 Enclosure door cabinet shall be installed anti-theft lock, fixed bolt cabinet must be open to install and remove the cabinet door.
;
2。 The locks, cabinet shell use damage resistance should be consistent with the GA/T - 73 In the 1994 class B requirements.
;
integration cabinet by single or several groups of tank and tank way, equipment, power supply, battery and integrated wiring, air conditioning, can reduce the power, and can improve the efficiency of artificial maintenance.
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