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Model / Part No.
1HSB495663-2
Product ID
#123
The ABB 1HSB495663-2 is an SF6 gas density relay (density monitor) supplied with a rain cover, listed by multiple specialists for a 0.00 to 0.90 MPa measuring range. The device monitors the density of SF6 insulating gas in high-voltage switchgear, alarming when leakage lowers density below safe insulation levels, and the rainproof hood allows outdoor mounting on circuit breakers and gas-insulated switchgear. Distributor listings consistently identify the same model as a large gas density monitor for SF6 service, and units are offered as ABB original stock for maintenance programs on high-voltage installations. Alarm thresholds, contact configuration and process thread should be confirmed against your existing unit before ordering.
| Manufacturer | ABB |
| Model Number | 1HSB495663-2 |
| Measuring Range | 0.00 to 0.90 MPa (per specialist listing) |
| Gas Medium | SF6 |
| Enclosure | With rain cover / rainproof hood |
| Alarm Contacts | Contact supplier for exact specifications |
| Process Connection | Contact supplier for exact specifications |
ABB SF6-insulated high-voltage switchgear and circuit breakers
The -2 suffix distinguishes this variant from related codes such as 1HSB495663-3, which differ in mounting or hood configuration. Match the suffix and contact arrangement of your removed unit before ordering.