ABB 751010G0808 VM1 Vacuum Circuit Breaker Control Board
Delivery time 3 days
Product origin New/used
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ABB 751010G0808 VM1 Vacuum Circuit Breaker Control BoardProduct Type: ED2.0 cont
ABB 751010G0808 VM1 Vacuum Circuit Breaker Control Board
Product Type: ED2.0 control and drive PCB for ABB VM1 medium voltage vacuum circuit breaker with magnetic actuator Part Number: 751010G0808 Compatible Device: ABB VM1 series MV vacuum circuit breaker, magnetic actuator R-MAG mechanism Variant Note: 751010G0808 is a standard ED2.0 board, paired variant 751010G0807 for different supply range configurations
Core Function: Microprocessor controlled drive board to manage close and open commands for the magnetic actuator. It charges the internal energy storage capacitor, monitors breaker position, implements interlock logic and fault supervision for switching operations. The board generates 80 V charging voltage for storage capacitor and 18 V auxiliary supply for local control circuits.
Command Interface: Opto-isolated digital inputs for external close, open and interlock signals; relay status outputs for breaker ON/OFF position indication and fault alarm Diagnostic Port: Onboard RS232 service port for local parameter setup, fault readout and commissioning via dedicated service tool Internal Supervision: Capacitor charge level monitoring, actuator coil supervision, position feedback check, operation time watchdog, power supply fault detection. It blocks closing commands under unsafe interlock conditions or insufficient stored energy.
Supply Input Range: 110 VDC / 220 VDC nominal DC control supply Energy Storage: Integrated high voltage capacitor bank for single close/open operation independent of momentary supply dip PCB Protection: Conformal coated circuit board, suitable for switchgear cabinet environment against dust and mild humidity Mounting Form: Built-in installation inside VM1 circuit breaker mechanism compartment
Operating Ambient Temperature: -10 °C to +65 °C inside switchgear cubicle Storage Temperature: -25 °C to +70 °C Humidity: 5% to 95% non-condensing Protection Class: IP00 as bare PCB, protected by the breaker metal enclosure Compliance: Designed to meet IEC 62271-100 medium voltage circuit breaker standards, CE marked
Lifecycle Status: Legacy spare part for VM1 installed base, mainly used for maintenance replacement, retrofit and overhaul of existing medium voltage switchgear Typical Application: 12 kV / 24 kV indoor medium voltage switchgear for power substations, industrial distribution, power plant auxiliary systems
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