All ELEKTROMAG lifting magnets are of weatherproof design for outdoor use. Completely sealed submersible models are available for dipping into water-field containers or underwater salvage and similar work.

Mechanical construction of ELEKTROMAG high capacity lifting magnets is very sturdy to meet toughest demands in service. The one piece magnet body is cast from high-grade dynamo steel. Underneath, between centre and outer poles, the magnet body is closed by sturdy, cast and rib-reinforced non-magnetic austenitic manganese steel plate. Fastening at the centre pole is effected by means of a shrunk-on ring, and at the outer pole by locking ring.

The standard three-fall chain suspension, designed with common suspension ring is rated to meet all normal duty load. Special change are available on request for extremely heavy loads.

Two lugs for guide ropes are fitted as standard.

COILS

1. greater filling factor
2. Better heat conductivity.
3. Higher resistance to thermal strain.

Coils are cast into their magnet body with a special resin compound of excellent heat conductivity and thus rigidly fixed in position. In special cases, coil can be furnished with copper conductor. Use of special resins loaded with fillers as sealing compound ensures reliable conduction of heat to the magnet surface, maintaining high magnet performance over long, continuous service. All insulation materials confirm to class " H" .

TABLES FOR CIRCULAR LIFTING MAGNETS TYPE : LRX & LRX-SUPER

1. Cast compartment (back) for exciter coil connection.
2. Line connections from back to front compartment.
3. Front compartment for connecting the cable.
4. Terminal board for connecting the cable.
5. Gland bolt for sealing the cable.
6. Cable collar to limit load on cable.
7. Back and front compartment covers are fitted with watertight gaskets, secured with socket head screws.
8. Solid and fracture-proof protective cover made of cast steel incl. set screw.

This cable terminal box is constructed for durability. However, it is only fully efficient and secure when the cable is held by the bland bolt, also when the two compartments are closed tightly by means of the covers, and when the protective cover is secured by the set screw.

We supply a wide range of plant and switch gear to feed magnets from 3-phase or DC power mains or generators, in standard and special purpose models to suit all requirements.

To ensure continuity of operation and guard against the danger of accidents in case of power failure, we also supply complete equipments for stand-by or buffer battery operation.

Where the crane driver cannot keep the magnet under visual observation ( e.g. special magnets used for raising material under water) electronic instrumentation can be fitted giving optical or accoustic signals to indicate that the load has been seized or released.

The figure in column 8 give the max. capacity of the chain suspension.
1 daN = 0.918 Kg.

Tear-off forces listed in columns 9, 10, and 11 relate to a level, solid, thick slab and an air gap corresponding to 1/300 and 1/20 resp. of outer magnet diameter.

Lifting capacities listed in column 12 to 16 are average values which may be exceeded or not be reached. In actual duty, since the volume seized in each lifting operation depends largely on type, shape, alloy, distribution and piling of the material.

1. Transformer rectifier set or DC generator.
2. Contactor Panel.
3. Cable reeling drum.
4. Master controller.