ABB 1HSB495663-2 Switchgear Accessory Part

The ABB 1HSB495663-2 Switchgear Accessory Part is a spare accessory of the ABB switchgear product line (1HSB spare-part numbering), identified in the most specific supplier documentation as a hardware component used within ABB motor operating mechanisms — the BUE / BLG series motor drive units that perform opening and closing of circuit breakers and disconnectors in high-voltage switchgear.

Key Features

1. Switchgear accessory spare part, ABB 1HSB product line
2. Associated with ABB high-voltage switchgear motor operating mechanisms (BUE / BLG motor drive units)
3. Used in circuit-breaker and disconnector opening/closing mechanisms
4. ABB original spare part for switchgear maintenance

1. Part Number: 1HSB495663-2
2. Product Type: Switchgear accessory / spare part
3. Application: High-voltage switchgear motor operating mechanism (BUE / BLG series)
4. System: ABB high-voltage / medium-voltage switchgear
5. Function: Component of circuit-breaker / disconnector drive mechanism
6. Mounting: Within the switchgear operating mechanism assembly
7. Weight: 0.7 kg

1. Verify the part number (1HSB495663-2) and its exact role against the switchgear operating-mechanism documentation before ordering.
2. Work on the switchgear only with the breaker in the safe position and de-energized; follow ABB switchgear safety rules.
3. Confirm the associated mechanism series (BUE / BLG motor drive unit) and the part's position in the assembly.
4. Use the specified tightening torques and lubricants per the switchgear maintenance manual.
5. After replacement, perform a functional trip/close test of the mechanism before returning the switchgear to service.

1. What is the 1HSB495663-2? It is a spare accessory of the ABB switchgear product line, described in the most specific supplier source as a component of high-voltage switchgear motor operating mechanisms (BUE/BLG motor drive units) for breaker and disconnector operation.
2. Which system does it belong to? ABB high-voltage/medium-voltage switchgear (1HSB spare-part numbering).

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