This part specifies the classification, technical requirements, test methods, inspection rules, marking, packaging and storage and technical guarantee requirements for explosion-proof finned tube electric heaters (hereinafter referred to as electric heaters) products and explosion-proof components for explosion-proof motors. This section applies to electric heaters (or electric heating elements) working inside explosion-proof motors or other pits.
JB/T 7836.3-2005 history
2005JB/T 7836.3-2005 Electric heater for electrical machine Part 3: Explosion-proof fin tube electric heater
1995JB/T 7836.3-1995 Explosion-proof finned tube electric heater for electric motor