- Hot search：
UL 982-2019 pdf free download
UL 982-2019 pdf free download.Motor-Operated Household Food Preparing Machines.
a) The power factor in the locked rotor condition is at least 80 percent: and
b) The locked rotor current is not more than 150 percent of the switch rating, for switches rated 10 A or less.’ or
C) The locked rotor current is not more than 125 percent of the switch rating. for switches rated greater than 10 A.
Exception No. 2: A switch with a suitable voltage rating and a resistive current rating not less than twice the full-load current corresponding to the motor horsepower rating, per Article 430 of the National Electncal Code. ANSI/NFPA 70. may be used if it complies with the Switch Overload Test Where the horsepower rating of the motor is not specified, the resistive current rating shall not be less than twice the rating of the appliance.
6,1915 With reference to the requirement in 619.1.3, the resistive current rating of a switch that controls an inductive load other than a motor, such as a transformer or relay, shall not be less than twice the rated full-load current of the inductive load.
18.104.22.168 If, when energized, an appliance has moving parts that are likely to cause injury to persons, a motor control switch shall be provided on the appliance and shall have a plainly identified OFF position, or ON and OFF positions, in accordance with 6.19 1.7 and 22.214.171.124 as applicable. See also Exception No. 2 of 126.96.36.199 for electronic controls employed in place of a motor control OFF switch.
Exception No. 1: If a momentary contact switch with no means for locking in the on condition is used as the motor control switch, the ON arid OFF markings may be omitted.
Exception No. 2: The OFF marking speciled in 6.19. 1.7 may be omitted for a product with a reliable standby condition if the construction complies with all of the following
a) The same push button switch actuator is used for placing the unit in the OFF. ON and Standby conditions.
b) The OFF and standby condition comply with the single fault reliability as specified in 27. 14.
c) The switch is marked with the Standby symbol (IEC 60417-5009) shown in Figure 6.3, and
d) The function of the switch and meaning of the symbol is descnbed in the instruction manual per
Exception No. 3: The OFF and ON markings specified in 188.8.131.52 and 6.19.1,8 respectively may be replaced by the ON/OFF (push-push) symbol (IEC 60417-5010) shown in Figure 6.4 if a single switch push button actuator is used for ON and OFF with separate and stable ON and OFF positions.UL 982-2019 pdf free download.
All resources on this website are from the Internet. It is only for personal study and research. No one is allowed to use it for any commercial purpose. If you need, please buy the genuine standard. If there is any infringement of your copyright, please contact the webmaster in time, and I will correct it immediately.
- Maybe you like
- Latest Updates
- ISO 287-2009 pdf free download
- ISO 527-5-2009 pdf free download
- ISO 659-2009 pdf free download
- ISO 660-2009 pdf free download
- ISO 712-2009 pdf free download
- ISO 725-2009 pdf free download
- ISO 730-2009 pdf free download
- ISO 927-2009 pdf free download
- ISO 2041-2009 pdf free download
- ISO 3040-2009 pdf free download
- ISO 3506-2-2009 pdf free download
- ISO 3506-3-2009 pdf free download