Eaton 134937 DS7-342SX081N0-N DS7 Soft Starter 45 kW 81 A 230V

The DS7-342SX081N0-N is an Eaton DS7 Generation 7 soft starter rated at 81 A for three-phase asynchronous motors, operating across a mains voltage range of 200 to 480 V AC with a control voltage of 110/230 V AC. The Frame Size FS3 unit includes an internal bypass for reduced heat dissipation during motor run state.

Technical specifications:

• Model code: DS7-342SX081N0-N
• Catalog number: 134937
• Manufacturer: Eaton
• EAN: 4015081317523
• Series: Generation 7, Frame size FS3
• Rated current: 81 A
• Mains voltage: 200 - 480 V AC
• Control voltage: 110/230 V AC
• Phase: Three-phase
• Rated motor power at 230 V (inline): 22 kW
• Rated motor power at 400 V (inline): 45 kW
• Relay outputs: 2 (TOR, Ready), 250 V AC
• Degree of protection: IP20, NEMA 1
• Overvoltage category: II, Pollution degree: 2
• Mounting position: Vertical
• Dimensions (W x H x D): 93 x 175 x 139 mm
• Weight: 1.8 kg
• Operating temperature: -5 to 40 °C; Storage: -25 to 60 °C
• Altitude: Max. 2000 m (1% derating per 100 m above 1000 m)
• Equipment heat dissipation: 18 W
• Certifications: IEC/EN 60947-4-2, UL 508, CSA, CE

Features and benefits:

• Internal bypass contacts reduce heat dissipation during motor run state
• Potential isolation between power and control sections for safety
• Two relay outputs (TOR, Ready) at 250 V AC for status signalling
• IP20/NEMA 1 finger and back-of-hand proof enclosure
• Climatic proofing to IEC 60068-2-3 and IEC 60068-2-30
• Minimum ramp time of 1 s for fast semiconductor contactor switching

Applications:

• Soft starting three-phase asynchronous motors in industrial environments
• Pump and fan drives requiring limited start-up current
• Compressor and conveyor motor control in process plants
• Panel-mounted motor control within switchgear assemblies
• Reducing mechanical stress on driven machinery at motor start-up

Compliant with IEC/EN 60947-4-2. Part of the Eaton DS7 Generation 7 soft starter series.

Also known as: Eaton DS7-342SX081N0-N, Eaton 134937, Eaton catalog 134937, Eaton model DS7-342SX081N0-N, DS7 81 A soft starter.