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Class 70/71 Enclosed Starters

Class 70/71 Enclosed Starters. s. Class 70/71 Enclosed Starters. Topics What’s inside? Difference between Class 70 and 71 Enclosure Types Starter options Custom panels. s. Class 70/71 Enclosed Starters. What’s inside? Soft Start Controller (34RW34) Control Power Transformer

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Class 70/71 Enclosed Starters

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  1. Class 70/71 Enclosed Starters s

  2. Class 70/71 Enclosed Starters Topics What’s inside? Difference between Class 70 and 71 Enclosure Types Starter options Custom panels s

  3. Class 70/71 Enclosed Starters What’s inside? Soft Start Controller (34RW34) Control Power Transformer Motor Overload Protection Terminal Blocks Two Pilot Device holes (30mm) Back Panel predrilled for options s

  4. Class 70/71 Enclosed Starters Class 70 Starter Non-Combination design Customer supplies disconnect means Available Enclosures N1, N12, N3R, N4, N4X Options include Start/Stop, HOA, Pilot lights, & Relays Custom Engineered Panels Minimum Order Quantities s

  5. Class 70/71 Enclosed Starters Class 70 Starter NEMA 1 Enclosure Vented Enclosure Uses fans to circulate the air NEMA 12/4 Enclosure Enclosure is not vented Uses a Bypass Contactor s

  6. Class 70/71 Enclosed Starters Class 71 Starter Combination design Disconnect is supplied MCP, Thermal-Mag (720A), Fusible Available Enclosures N1, N12, N3R, N4, N4X Options include Start/Stop, HOA, Pilot lights, & Relays Custom Engineered Panels Minimum Order Quantities s

  7. Class 70/71 Enclosed Starters Class 71 Starter NEMA 1 Enclosure Vented Enclosure Uses fans to circulate the air NEMA 12/4 Enclosure Enclosure is not vented Uses a Bypass Contactor s

  8. Class 70/71 Enclosed Starters NEMA 12 Enclosure Bypass Contactor Required Eliminates heat buildup “Up to Voltage” output energizes Bypass Contactor Contactor is horsepower rated allowing for ATL emergency start option without derating Optional Run/Bypass Selector Switch available Enclosure is painted steel Dust tight and gasketed Class 52 pilot devices used s

  9. Class 70/71 Enclosed Starters NEMA 4 Enclosure Bypass Contactor Required Eliminates heat buildup “Up to Voltage” output energizes Bypass Contactor Contactor is horsepower rated allowing for ATL emergency start option without derating Optional Run/Bypass Selector Switch available Enclosure is painted steel Water tight and gasketed Class 52 pilot devices used s

  10. Class 70/71 Enclosed Starters NEMA 4X Enclosure Available for 36A – 248A Ratings Bypass Contactor Required Eliminates heat buildup “Up to Voltage” output energizes Bypass Contactor Contactor is horsepower rated allowing for ATL emergency start option without derating Enclosure is Stainless Steel Water tight and gasketed Class 52 pilot devices used Option for Non-Metallic 4X enclosure s

  11. Class 70/71 Enclosed Starters Class 70/71 Starter Options Pilot Devices Start/Stop Push Buttons Selector Switches Control Relays & Time Relays Meters (Ammeter, Voltmeter, ETM) Contactors Isolation Contactors Reversing Contactors s

  12. Class 70/71 Enclosed Starters Class 70/71 Starters Questions? s

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