Cotek TR-40

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DISCONTINUED: Cotek TR-40, a 40 Amp transfer switch for SP-series inverter

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SKU: COT-111-129 Category: Tags: ,

The Cotek TR-40 is a durable transfer switch designed to work specifically with Cotek SP series sine wave inverters. A transfer switch is used when there is a secondary AC source in a system. For example battery backup systems using the power grid and off-grid systems using a backup AC generator. A transfer switch is used to connect your AC input power (from grid or generator) to your loads. A Cotek CX battery charger can be used in the load panel for an inverter/charger installation which is the ideal setup for off-grid and battery backup.


  • Power consumption < 1.4W
  • Universal AC input / full range
  • Cooling by free air convection
  • Bypass current up to 40 amps
  • Easy to use
  • High transfer speed



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