| Parameters | Value |
|---|---|
| Degree of protection (IP) | IP44 |
| Height [mm] | 1543mm |
| Depth [mm] | 250mm |
| Width [mm] | 400mm |
The RD 250A crane distributor is designed to power a construction crane.
Rated current: 250A,
Power supply and drain: terminals 5x120mm²
Overcurrent protection: fuse switch NH1 3x250A,
Differential current protection: 250A, adjustable differential current 0.03A-5A, type A,
Safety button: arranged on the side of the control panel, so you can quickly turn off the power in emergency situations.
The RD250A crane switchgear differential current switch consists of a 250A disconnector equipped with a step-up coil triggered by a differential current relay that cooperates with the leakage current transformer of the construction crane supply system. The relay has the ability to set the differential current between 0.03A - 5A.
The design element of the RD250A crane switchgear can be triggered in parallel via the safety button on the side facade of the RD250A crane switchgear, which is triggered by the operator in emergency or safety situations.
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