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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/Z 43963-2024 |
Guide to determining the values of electrical clearances, creepage distances and solid insulation requirements for equipment with rated voltages above 1000V to 2000V AC and above 1500V to 3000V DC {译} 确定额定电压在交流1000V以上至2000V，直流1500V以上至3000V间设备的电气间隙、爬电距离的数值以及对固体绝缘要求的指南 |
China National Standards distances |
 English PDF |
| GB/Z 37754-2019 |
Guidance on clearances and creepage distances in particular for distances equal to or less than 2mm—Test results of research on influencing parameters 关于确定不超过2mm距离的电气间隙和爬电距离的指南 对影响参数进行研究的试验结果 |
China National Standards distances |
English PDF |
| GB/T 32350.1-2015 |
Railway applications—Insulation coordination—Part 1: Basic requirements—Clearances and creepage distances for all electrical and electronic equipment 轨道交通 绝缘配合 第1部分：基本要求 电工电子设备的电气间隙和爬电距离 |
China National Standards distances |
English PDF |
| GB/Z 24638-2009 |
Geometrical product specifications (GPS) - Linear and angular dimensioning and tolerancing: +/- limit specifications - Step dimensions, distances, angular sizes and radii 产品几何技术规范（GPS) 线性和角度尺寸与公差标注+/-极限规范 台阶尺寸、距离、角度尺寸和半径 |
China National Standards distances |
English PDF |
| GB 23821-2009 |
Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs 机械安全 防止上下肢触及危险区的安全距离 |
China National Standards distances |
English PDF |
| GB/T 16935.5-2008 |
Insulation coordination for equipment within low-voltage systems - Part 5: Comprehensive method for determining clearances and creepage distances equal to or less than 2mm 低压系统内设备的绝缘配合 第5部分：不超过2mm的电气间隙和爬电距离的确定方法 |
China National Standards distances |
English PDF |
| GB/T 22057.2-2008 |
Microscopes - Imaging distances related to mechanical reference planes - Part 2: Infinity-corrected optical systems 显微镜 相对机械参考平面的成像距离 第2部分：无限远校正光学系统 |
China National Standards distances |
English PDF |
| GB/T 22057.1-2008 |
Microscopes - Imaging distances related to mechanical reference planes - Part 1: Tube length 160mm 显微镜 相对机械参考平面的成像距离 第1部分：筒长160mm |
China National Standards distances |
English PDF |
| GB/T 19935-2005 |
Worm gears-Geometry of worms-Name plates for worm gear units,centre distances,information to be supplied to gear manufacturer by the purchaser 蜗杆传动 蜗杆的几何参数-蜗杆装置的铭牌、中心距、用户提供给制造者的参数 |
China National Standards distances |
English PDF |
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