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Ultra fast response: When the voltage exceeds the threshold, it triggers<10 μ s and provides short-circuit shunt protection for IGBT modules.

High energy capacity: capable of withstanding short-circuit currents of ≥ 10kA (<10ms) to prevent damage to the DC bus.

Redundancy design: Supports dual module hot plugging and integration with AC 800M controller fiber optic.

Intelligent diagnosis: LED indication+800xA system real-time fault code feedback for easy maintenance.

Wide temperature adaptation: working from -25 ° C to+70 ° C, IP20 protection, anti vibration industrial environment.

DIN rail is installed in the control cabinet to ensure ventilation, connect 24V DC power supply and DC bus monitoring.

Set the trigger threshold (110% -120% rated voltage) through System 800xA software.

Connect digital I/O and fiber optic interfaces, test protection actions (analog overvoltage).

After triggering, troubleshoot, replace the discharge resistor, and manually reset. Safety reminder: Power off operation, only for professional electricians.

Model 3BHE051592R0101 GDC801B101

Manufacturer ABB

Type Crowbar Board

Working voltage DC 400-1200V

The trigger threshold is adjustable from 110% to 120%

Response time<10 μ s

Short circuit capacity ≥ 10kA (<10ms)

Power consumption<10W (24V DC)

Working temperature -25 ° C to+70 ° C

Size 110 × 76 × 23mm or 100 × 210 × 150mm

Weight 80g or 1.2kg

Interface digital I/O, fiber optic communication

Certified CE, UL, RoHS

Reset Method: Manual Reset

ABB 3BHE051592R0101 GDC801B101 is ABB Ability ™ The chopping rod protection board of System 800xA platform is designed specifically for power electronic systems. When the DC bus experiences overvoltage (such as IGBT failure or abnormal energy feedback), it quickly conducts a short circuit to divert excess energy and protect the frequency converter SVG、 Rectifiers and other equipment. Modular hot swappable design, supporting redundant configuration, seamlessly integrated with AC 800M controller, providing real-time monitoring and diagnosis. Keywords: ABB crowbar board, GDC801B101 protection module, IGBT overvoltage protection, System 800xA DCS, industrial power electronics, DC bus safeguard, ABB excitation crowbar.

GDC801B: Basic chopping board, standard 24V DC input.

3BHE051592R0001: Early version, with the same functionality and smaller size.

PDD500A101 3BHE037649R0101: Digital output expansion module, compatible for use.

Q: What equipment is primarily protected?

A: IGBT inverter, frequency converter, DC bus system to prevent overvoltage damage.

Q: How to reset after triggering?

A: After clearing the fault, manually reset the button and check if the discharge resistor is burnt out and needs to be replaced.

Q: What ABB systems are supported?

A: System 800xA, AC 800M controller, fiber optic interface integrated SCADA/DCS.

Q: Installation environment requirements?

A: Inside the IP20 control cabinet, it should be ventilated and dry, avoiding the vicinity of heat sources, and the circuit board should be cleaned every 6 months.

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