PRODUCT DESCRIPTION
DANFOSS HS-3-A1 - Manual Motor Starter
This device is an electromechanical manual motor starter from the HS series, designed for direct manual control and protection of AC motors. It integrates thermal overload protection and magnetic short-circuit protection, ensuring operational safety and equipment longevity in industrial applications such as pumps, fans, and conveyor systems.
Technical Specifications:
- SERIES/FAMILY: HS Series
- COMPONENT TYPE: Manual Motor Starter (MMS)
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE: Up to 690VAC
- RATED OPERATIONAL CURRENT: Adjustable thermal overload range 4.0-6.3A
- SHORT-CIRCUIT BREAKING CAPACITY: 100kA at 400VAC
- PHASE: Three-phase (suitable for single-phase applications with proper wiring)
- MECHANICAL/PHYSICAL:
- ACTUATION: Rotary ON/OFF switch
- RESET: Manual reset via rotary switch
- AUXILIARY CONTACTS: Provision for side-mounted auxiliary contact blocks (e.g., 1NO+1NC)
- INTERFACE/CONTROL:
- CONTROL TYPE: Direct manual operation
- PROTECTION MECHANISM: Thermal overload release (adjustable), Magnetic short-circuit release (fixed)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (finger-safe terminals, suitable for enclosure mounting)
- MOUNTING: 35mm DIN rail or screw mounting
- OPERATING TEMPERATURE: -25 to +55 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Induction motors, pumps, fans, compressors, general machinery
- STANDARDS COMPLIANCE: IEC 60947-2, IEC 60947-4-1