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6KW Battery Charge/Discharge/Pre-charge Contactor
$750
35 AVAILABLE
Fully functional and tested 6KW contactor controllers pulled from a large industrial grid array that was decommissioned due to upgrades. These units originally were maintaining over 10kwh of 48vdc Lipoly batteries. The BMS which controlled this unit had to be removed due to proprietary reasons, but can be easily supplemented with a Arduino or other similar microcontroller. Perfect unit for separating your battery bank from your panels/inverter/downstream array to prevent discharge through your panels at night, and blowing out your inverter with inrush current from a disconnected system with the pre-charge circuit.
Inside:
- 400A Bussman Fuse/Diode
- TE Connectivity 200A Relays
- IXYS 1200v, 250A Bidirectional Diode
- RARA 100 ohm pre-charge load resistor
- HASS 100A directional current sensor
Plus all the associated bus bars, bleed resistors, high amp terminal blocks and cabling.
These units cost over $8,000 new, and they were only ever used for roughly 2 years before decommissioning. They were stored in a warehouse since and have all been tested and verified to work.
Specifications:
Typical battery setup: 36-60vdc
Controlling voltage (pulled from battery voltage) 24-60vdc
Interfaces: Ignition line, BMS power line, Charge/Discharge/Pre-charge relay control lines
3X battery and - inputs
1X and - outputs
Comes with hookup cables as pictured.
Fully functional and tested 6KW contactor controllers pulled from a large industrial grid array that was decommissioned due to upgrades. These units originally were maintaining over 10kwh of 48vdc Lipoly batteries. The BMS which controlled this unit had to be removed due to proprietary reasons, but can be easily supplemented with a Arduino or other similar microcontroller. Perfect unit for separating your battery bank from your panels/inverter/downstream array to prevent discharge through your panels at night, and blowing out your inverter with inrush current from a disconnected system with the pre-charge circuit.
Inside:
- 400A Bussman Fuse/Diode
- TE Connectivity 200A Relays
- IXYS 1200v, 250A Bidirectional Diode
- RARA 100 ohm pre-charge load resistor
- HASS 100A directional current sensor
Plus all the associated bus bars, bleed resistors, high amp terminal blocks and cabling.
These units cost over $8,000 new, and they were only ever used for roughly 2 years before decommissioning. They were stored in a warehouse since and have all been tested and verified to work.
Specifications:
Typical battery setup: 36-60vdc
Controlling voltage (pulled from battery voltage) 24-60vdc
Interfaces: Ignition line, BMS power line, Charge/Discharge/Pre-charge relay control lines
3X battery and - inputs
1X and - outputs
Comes with hookup cables as pictured.
- Date Listed:03/04/2024
- Last Edited:03/04/2024
- Condition:Used
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