JB/T 3780-2002
Auxiliary relay (English Version)
- Standard No.
- JB/T 3780-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 3780-2002
- Replace
- JB/T 3780-1993
- Scope
- This standard specifies the product classification, technical requirements, test methods, inspection rules, signs, instructions for use, packaging, transportation and storage of intermediate relays. This standard applies to ordinary intermediate relays used in secondary circuits of power systems. This kind of relay is used as an auxiliary relay in the secondary circuit of the power system to increase the melting point of the previous relay. This standard applies only to new relays.
JB/T 3780-2002 history
- 2002 JB/T 3780-2002 Auxiliary relay
- 0000 JB/T 3780-1993
