Catalogs > Industrial Controls Catalog > Motor Control, NEMA > Manual Motor Starters > Bulletin 600 Single Phase
Bulletin 600 Single Phase
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Bulletin 600
Starting and overload protection of small 1-phase AC/DC motors used on the following:
- Unit heaters
- Fans
- Stokers
- Pumps
- Refrigeration compressors
Bulletin 600 manual switches consist of a snap switch combined with a thermal overload device operating on the solder-ratchet principle. The switch is designed to prevent being held closed under a sustained motor overload. To reset the overload mechanism, the switch lever is moved to the OFF position. The motor can be restarted by pushing the switch lever to the ON position. Applications include compressors, fans and pumps.