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Summary of Contents for Sentera STR-4 series
- Page 1 STR-4 STANDARD 3-PHASE 400 VAC TRANSFORMER CONTROLLER Mounting and operating instructions...
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Page 2: Table Of Contents
ARTICLE CODES INTENDED AREA OF USE TECHNICAL DATA STANDARDS OPERATIONAL DIAGRAMS WIRING AND CONNECTIONS MOUNTING AND OPERATING INSTRUCTIONS IN STEPS VERIFICATION OF INSTALLATION TRANSPORT AND STORAGE WARRANTY AND RESTRICTIONS MAINTENANCE MIW-STR-4-EN-000 - 09 / 08 / 2018 2 - 8 www.sentera.eu... -
Page 3: Safety And Precautions
In case there are any questions that are not answered, please contact your technical support or consult a professional. MIW-STR-4-EN-000 - 09 / 08 / 2018 3 - 8 www.sentera.eu back to the table of contents... -
Page 4: Product Description
TRANSFORMER CONTROLLER PRODUCT DESCRIPTION The STR-4 series of transformer fan speed controllers regulate the rotational speed of three-phase voltage controllable motors by varying the output voltage. They are equipped with auto-transformers and control the speed manually in five steps. The used technology provides a regulated output voltage with a perfect sinusoidal shape. -
Page 5: Operational Diagrams
Fig. 2 Mounting position). The mounting holes are on the inside back panel of the enclosure and are covered with blanking plugs. MIW-STR-4-EN-000 - 09 / 08 / 2018 5 - 8 www.sentera.eu back to the table of contents... - Page 6 The earth wire (green-yellow) of the electrical supply and of any equipment connected to the controller must be connected to the terminals marked as PE. MIW-STR-4-EN-000 - 09 / 08 / 2018 6 - 8 www.sentera.eu back to the table of contents...
- Page 7 Table 1 Voltage series Knob position Regulated output [VAC] L40 version L50 version 130* Unregulated output [VAC] * Available but not connected. MIW-STR-4-EN-000 - 09 / 08 / 2018 7 - 8 www.sentera.eu back to the table of contents...
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Page 8: Verification Of Installation
Pay attention that no fluids enter the unit. Only reconnect it to the supply when it is completely dry. MIW-STR-4-EN-000 - 09 / 08 / 2018 8 - 8 www.sentera.eu back to the table of contents...
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