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Cotek SD3500-148 GFCI Pure Sine Wave Inverter with AC Transfer Switch and Dual GFCI 120VAC 48VDC 3500W.

Features

• Parallel redundancy design for power expansion
• 1Ф3W / 3Ф4W for multiple industrial applications
• Built-in ATS and AC circuit breaker
• Selectable output voltage and output frequency
• Optional STS module, transfer time less than 4ms.
• RS-232 communication interface
• Hardwire AC output, UL approved
• Input & output fully isolation
• Output voltage / power saving mode selectable by DIP switch or remote control (via CR-10)
• Input protection: Reverse Polarity (Fuse) / Under Voltage / Over Voltage
• Output protection: Short Circuit / Overload / Over Temperature / Over Voltage
• Pressed steel housing
• E13 / UL / CE / FCC approved

Accessory:

Exchanges or Returns
Please contact us before returning or exchanging an item to receive a return authorization (RA). Items returned to us without receiving a return authorization will be returned to you at your expense. We accept exchanges and returns for unopened items or damaged/defective products within 30 days of receipt of shipment.  A 20% restocking fee may apply to multiple quantity returns or large ticket items. A 20% restocking fee will apply for all products that ship freight. Exchanges and returns are not accepted after 30 days of receipt of shipment.

Unopened Products
To make an exchange or return for an unopened product, please contact us and obtain a Return Authorization. If the exchanged or returned product is unopened with all original accessories, manuals, packaging, and/or shrink wrap, you will be responsible for return shipping.  If the product was sold with free shipping, shipping charges to deliver the item will be deducted from the refund amount.  A refund to your method of payment will be processed within one week of receiving an authorized return minus any applicable shipping charges.

Damaged/Defective Products
To make an exchange or return for a damaged/defective product, please contact us and obtain a Return Authorization. If the product is returned for being damaged/defective, we will provide a return shipping label for domestic shipping costs.  If we test and confirm the product is damaged/defective and receive the product along with all original accessories, manuals, and packing, we will provide a refund for the purchase price of the product, plus domestic shipping charges, if any, assessed at the time of purchase. International shipping charges, if any, will not be reimbursed.  A refund to your method of payment will be processed within one week of receiving an authorized return. If we test and confirm the product is in full working order, a refund will not be provided and you will be responsible for providing a return shipping label to have the product returned to you.