Standard No.:	GB/T 18663.3-2020
English Name:	Mechanical structures for electronic equipment—Tests for metric and inch system—Part 3:Electromagnetic shielding performance tests for cabinets and subracks
Chinese Name:	电子设备机械结构 公制系列和英制系列的试验 第3部分：机柜和插箱的电磁屏蔽性能试验
Chinese Classification:	K05    Electrical product mechanical structure
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2020-11-19
Implemented on:	2021-6-1
Status:	valid
Superseding:	GB/T 18663.3-2007 Mechanical structure for electronic equipment - Tests for IEC 60917 and IEC 60297 - Part 3: Electromagnetic shielding performance tests for cabinets racks and subracks
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	225.00
Delivery:	via email in 1~3 business day

本部分规定了空的机柜和插箱在30 MHz～3 000 MHz频率范围内的电磁屏蔽性能试验，并为 IEC 60297（所有部分）和 IEC 60917（所有部分）系列机柜和插箱的屏蔽性能等级规定了所选用的衰减值。
本部分的目的是保证机柜和插箱的物理完整性和环境性能，考虑了不同应用中不同性能等级的需要，旨在让用户在选择产品水平以满足其特定的需要时具有信心。