JB/T 3703.1-1994 (English Version) PDF

Scope: This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of small general electromagnetic relays. This standard applies to non-sealed relays used to convert circuits. Such relays are used in automatic control equipment, power system relay protection and control devices, remote control devices, etc. It is suitable for rated frequency 50Hz and AC rated voltage below 380V. Control circuit with DC rated voltage below 250V and rated current below 20A. This standard serves as the basis for the design, production and use of relays, and is also the basis for formulating product standards for subordinate enterprises. If this standard does not provide stipulations, there should be stipulations in lower-level product standards. In addition to complying with the provisions of this standard, tropical products should also comply with the provisions of relevant standards for tropical products.

JB/T 3703.1-1994 history