high-reliability industrial & Aerospace Standards
🇨🇳 GJB 809B-2013
General Specification for Micro Switches
Defines design, manufacturing, and inspection requirements for micro switches used in high-reliability industrial and aerospace applications. Covers hermetic sealing, electrical performance, mechanical endurance, and environmental testing.
🇨🇳 GJB 360B-2009
Test Methods for Electronic and Electrical Components
Environmental and mechanical test methods including vibration (Method 204), shock (Method 213), salt spray (Method 101), damp heat (Method 103), and low pressure (Method 105).
🇨🇳 GB/T 1804-c
General Tolerances — Unmarked Tolerances
Standard tolerance grades for linear dimensions without individual tolerance indications. Referenced on all engineering drawings.
Enterprise & Aerospace Standards
| Standard | Designation | Scope |
|---|---|---|
| KWQM4 Series Detail Spec (J/Z Grade) | Q/MA20347/Z-2019 | high-reliability industrial-grade KWQM4 hermetically sealed micro switches |
| Space-Grade KWQM4-4Z Detail Spec | YHYB S1201/001-2013 | Space-qualified KWQM4-4Z for orbital and launch vehicle use |
| high-altitude platform Procurement Spec | CASTPS04/026-2018 | KWQM4-4Z and KWQM4-4Z-1 high-altitude platform procurement |
| KWQM5-2-28 Detail Spec | Q/MA20458-2019 | Screw-clamp terminal hermetic micro switch, Grade J (high-reliability industrial) |
| KWQMY1-0Z/0Z6 Detail Spec | Q/MA20365-2016 | Round miniature hermetically sealed micro switches |
| QPL Detail Spec | Q/MA30016-2019 | Qualified Product List for KWQM4-4Z-5-1E miniature switch |
| GB Standard | ZZR-Q/MA20433-2019 | Standard qualification for KWQM4-4Z series |
International Equivalents
| HK Series | International Reference |
|---|---|
| KWQM4 | MIL-PRF-8805 compatible · Honeywell HM Series Hermetic · TE Connectivity CH Series |
| KWQMY1 | Round miniature hermetic equivalents available |
| KWQM5-2-28 | Screw-clamp terminal equivalents available |