COTEK SD3500 Series 3500W Pure Sine Wave Owner’s Manual

June 12, 2024
COTEK

3500W Pure Sine Wave
SD3500 series

COTEK SD3500 Series 3500W Pure Sine Wave - cover

Features:

  • Parallel redundancy design for power expansion
  • Multiple industrial applications that create 1Ф3W / 3Ф4W power systems
  • Automatic master mechanism to eliminate single point failure and optimize reliability
  • Built-in ATS and AC circuit breaker
  • Optional STS module, transfer time less 4ms.
  • RS-232 communication
  • Input & output fully isolation
  • Output voltage / power saving mode selectable by DIP switch or remote control (CR-10)
  • Input Protection: Reverse Polarity (Fuse) / Under Voltage / Over Voltage
  • Output Protection: Short Circuit / Overload / Over Temperature / Over Voltage

COTEK SD3500 Series 3500W Pure Sine Wave - tebile 1 COTEK SD3500 Series 3500W Pure Sine Wave - tebile
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LED Status:

Green LED LED Signal Status
Solid Power OK
Slow Blink Power Saving
Intermittent Blink Bypass
Orange LED LED Signal Status
Fast Blink OVP
Slow Blink UVP
Red LED LED Signal Status
Intermittent Blink OTP
Fast Blink OVP- Shut-down
Slow Blink UVP- Shut-down
Solid OLP
Intermittent Blink Fan Failure
Intermittent Blink Component Failure

Output Socket:

COTEK SD3500 Series 3500W Pure Sine Wave - Output Socket
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De-rating Curve:

Transfer Time :

Transfer-Time Table

Mode/Transfer
Switch| ATS| STS
Haphazard| Inverter to utility AC : 8 ~ 10ms.;
Utility AC to inverter :16 ~ 50ms.| Frequency is synchronized : <4ms
Frequency is not synchronized :
Inverter to utility AC : <4ms.;
Utility AC to inverter :16 ~ 50ms.
Normal| Inverter to utility AC : 8 ~ 10ms.;
Utility AC to inverter :16 ~ 25ms.| <4ms
Exacting| Inverter to utility AC : 8 ~ 10ms.;
Utility AC to inverter :16 ~ 50ms.| Inverter to utility AC : <4ms.;
Utility AC to inverter :16 ~ 50ms.
Online| Inverter to utility AC : 8 ~ 10ms.;
Utility AC to inverter :16 ~ 25ms.| <4ms

Mechanical Drawings:

Unit : mm [inch]

COTEK SD3500 Series 3500W Pure Sine Wave - Mechanical Drawings
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REV. A9
22/09/20

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