Two-way overspeed governor LBD 300 from Dynatech for use in the machine room or in the elevator shaft. The governor is made in a design that prevents corrosion.
The governor LBD 300 is certified according to the old standards EN 81-1 and EN81-2 and is therefore NOT suitable for the detection and prevention of uncontrolled cabin movement (UCM) according to the currently valid standards EN 81-20 and 81-50.
The governor can be used with cables with diameters of 6 mm / 6.3 mm / 6.5 mm.
The overspeed governor includes an overspeed contact, protection against ropes falling out, a test and safety switch with automatic reset (up to a nominal speed of 1 m/s inclusive).
The LBD overspeed governor can optionally be equipped with the following accessories:
- Coil for remote tripping (testing), voltage 24VDC, 48VDC or 190VDC
- Remote reset with electrical control, voltage 24VDC, 48VDC or 190VDC
- Limiter cover (separate item, not included in governor's packages)
The LBD overspeed gvoernor cannot be used for reverse mounting on the shaft ceiling, the so-called "upside down".
Technical data:
| Rated speed: | 0,70 m/s |
| Tripping speed: | 1,10 m/s |
| Pulley diameter: | 300 mm |
| Hardened pulley: | NE |
| UCM (A3): | ANO, 24 VDC |
| Remote tripping: | ANO, 24 VDC |
| Electric remote reset: | NE |
