Single Phase Soft Starters
This product has been developed specifically to soft start large single phase compressors and motors. It provides a dramatic reduction in the starting current but still provides full start torque. It will automatically adjust itself to cover the range of 1.75 to 7 hp. It is fully self-contained in a conveniently small, double insulated and flame retardant enclosure. Contact us if you're interested in purchasing our products or need more information. Sure-Start soft starters are ETL, CE and RoHS compliant.
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Features & Benefits
- Rated for motors between 1.75 to 7 horse power electrical
- Reduces locked rotor amperage (LRA)/inrush current up to 70% at start-up
- Eliminates light flicker
- Reduces start-up noise
- Avoids torque stress fracture on pipes
- Automatic optimization of motor start-up current
- Reduced stress and heating of compressor/motor therefore extending the life
- Allows systems to meet certain utility requirements
- Easy installation with supplied wiring (special wiring options available)
Motor Protection Functions
- Protects the compressor/motor from stalling at low voltages
- Delay function limits number of motor starts per hour
- Provides motor reversal protection during short power outages
- Internal delay timers prevents rapid cycling in fault conditions
- Provides brownout protection
- Self-testing diagnostics
Models
- SS0B12-20SN (115V, 60/50Hz, 12-20 FLA)
- SS1B08-16SN (230V, 60/50Hz, 08-16 FLA)
- SS1B16-32SN (230V, 60/50Hz, 16-32 FLA)
Specifications:
- Voltage Ratings (ac) : 115, 220-240 Volts
- Operating Voltage Range (ac) : 95-127, 192-253 Volts
- Frequency : Models work on 50Hz or 60Hz
- Maximum Starting Current : 44 amps rms
- Maximum Step Starting Current : 39 amps rms
- Maximum Supply Impedance : 0.8 ohms
- Control Input : 240 volts AC
- Operating Temperature : -4°F to 150°F (-20°C to 65°C)
- Compressor Rated Load Amps (RLA) : 32 Amps Max
- IP Rating : 207
- Dimensions : 5.30' x 2.94' x 1.96' (132mm x 72mm x 49mm)
- Material : ABS flameproof (UL-94V0)
- Software Cycle Delay : 180 sec., defrost cycle compatible (Primary Model)
- Software Fault Delay : 300 seconds
- Software Optimization : 1.75 to 7 hp compressors
- Duty Cycle : 15 starts/hr
- Shutdown on Low Voltage (115V) : Less than 95 volts
- Shutdown on Low Voltage (220-240V) : Less than 195 volts
- Power Loss Reset : 100ms detection
- Motor Monitoring : Monitors start winding potential
- Motor Reversal : Shutdown for 180 sec.
- EMC Compliance # : N2002
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