Description
Cutler Hammer-Eaton MST01SN Manual Motor Starter Overview
The Cutler Hammer-Eaton MST01SN is a single-pole, 1 HP manual motor starter from the trusted CH series product line. Designed for straightforward motor switching and protection in commercial and light industrial HVAC applications, this unit delivers dependable performance in a compact, NEMA 1 rated enclosure suitable for indoor installations.
Key Features
- Single-pole (1P) manual motor starter for simplified wiring and installation
- Rated for 1 HP motors — ideal for small HVAC motors, fans, and pumps
- NEMA 1 (N1) enclosure rating — designed for indoor, general-purpose environments
- CH series construction — built to Cutler-Hammer/Eaton’s high standards for reliability and longevity
- Integrated thermal overload protection safeguards connected motors from overheating and overload conditions
- Manual ON/OFF operation provides direct, hands-on motor control without the need for a separate contactor or control circuit
- Compact footprint for easy panel or surface mounting
Application
The MST01SN is well-suited for HVAC and mechanical systems requiring reliable manual control of small single-phase motors. Common applications include exhaust fans, blower motors, circulating pumps, and other 1 HP motor loads in commercial buildings and mechanical rooms.
Why Choose Cutler Hammer-Eaton
Eaton’s Cutler-Hammer line is a recognized leader in electrical control and protection products. The MST01SN reflects Eaton’s commitment to quality, offering contractors and facility managers a dependable solution for motor starting and overload protection that meets the demands of everyday HVAC service.
Product Specifications
- SKU: MST01SN
- Brand: Cutler Hammer-Eaton
- Poles: 1
- Horsepower Rating: 1 HP
- Enclosure Type: NEMA 1 (Indoor, General Purpose)
- Series: CH
- Type: Manual Motor Starter







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