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Definite & General Purpose Manual Motor Starters

Available8 products
Definite and general purpose manual motor starters are manually operated motor controllers with specific operating performance specifications designed for applications like HVACR. Also known as DP manual motor starters, they can be cost-effective alternatives to IEC and NEMA motor starters in applications with lower life-cycle requirements. Manual motor starters open and close circuits to small motors, machinery, and electrical systems and help protect them from damage caused by overheating, low voltage, and overcurrent. These manually operated motor starters combine contactors, overload relays, and disconnect switches to connect and disconnect electrical loads safely.
NEMA Enclosure Rating

Enclosed Non-Reversing Starters with Thermal Overloads

Enclosed Non-Reversing Starters with Thermal Overloads

These non-reversing definite and general purpose manual motor starters with thermal overloads have enclosures that protect their internal components from impacts, debris, and dust. Non-reversing motor starters connect and disconnect power to motors and other high-current equipment and machinery in a single direction. Thermal overload relays, also known as heaters, prompt motor starters to break electrical connections with downstream equipment once a set temperature is reached. They are made of either bimetallic strips or solder-type materials and change shape as electrical current increases and temperatures rise. As the material changes shape, it opens and closes contacts that signal motor starters to disconnect power and prevent connected loads from overheating and causing damage.

1 Pole / Single Phase Starters

NEMA Enclosure Rating: 1

1 is a safety rating for indoor electrical enclosures with nongasketed doors that specifies a degree of protection against incidental contact and the entry of solid objects such as falling dirt.

Manual Motor Starters
Thermal Units
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NEMA Enclosure Rating: 4

4 is a safety rating for indoor and outdoor electrical enclosures with gasketed doors that specifies a degree of protection against incidental contact, against the entry of solid objects (falling dirt, windblown dust) or water (snow, rain, water splashes and sprays), against occasional washdowns, and against exterior ice formation.

Manual Motor Starters
Thermal Units
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2 Pole / Single Phase Starters

NEMA Enclosure Rating: 1

1 is a safety rating for indoor electrical enclosures with nongasketed doors that specifies a degree of protection against incidental contact and the entry of solid objects such as falling dirt.

Manual Motor Starters
Thermal Units
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NEMA Enclosure Rating: 4

4 is a safety rating for indoor and outdoor electrical enclosures with gasketed doors that specifies a degree of protection against incidental contact, against the entry of solid objects (falling dirt, windblown dust) or water (snow, rain, water splashes and sprays), against occasional washdowns, and against exterior ice formation.

Manual Motor Starters
Thermal Units
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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.