JB/T 5791-1991
Rotary switch for ship (English Version)
- Standard No.
- JB/T 5791-1991
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Machinery
- Status
- 2002-12
- Replace By
- JB/T 5791-2002
- Latest
- JB/T 5791-2014
- Scope
- This standard specifies the model, specifications, markings, normal working conditions, technical requirements, testing, packaging, transportation and storage of marine combination switches. This standard applies to HZ910 series marine combination switches, HZ910S series marine waterproof combination switches, and HZ910H series marine protective combination switches. The switches are installed on ships for AC 50Hz (or 60Hz), 380V (or 440V, 660V) and below. , in electrical circuits with DC 220V and below, it is used for manually connecting or breaking circuits and switching circuits infrequently. Generally, it is not possible to directly start the motor and cut off the short-circuit current. Only HZ910-10, 25, HZ910S-10, 25, HZ910H- Class 10 switches can control small capacity motors.
JB/T 5791-1991 history
- 2014 JB/T 5791-2014 Rotary switch for ship
- 2002 JB/T 5791-2002 Rotary switch for ship
- 1970 JB/T 5791-1991 Rotary switch for ship
