The Company Elfri since 1981 has been manufacturing electric and electronic products. During these years, besides the standard transformers we widened the range of products for industrial automation becoming a supplier with excellent references.
Thanks to the matured experience, 10 years ago we conceived a fire-stop door magnet for holiday cruiser.
STOP’s range was the natural development that includes also models for civil application.
New solutions and new products research is the main target of our organization. New raw materials are continuously tested in order to offer to the market competitive and quality items. Furthermore, to guarantee an excellent supply, the products are carefully checked before shipment. Compromises that could damage the quality of the products are not allowed: this is our business policy.
Since 1981 we deal with design and construction of electromechanical parts. Internally we realize the windings, the assembly of static electrical machines and their testing.
We provide the security and fire industries with products of our conception, design and production made entirely in Italy.
Industries We Work With:
- Electrical transformers LV / LV
- Electromagnets for fire doors
- Autotransformers
- Reactors / chokes
- Electromagnets
- Electrical winding
- Accessories for fire protection systems
- Electromagnets for security doors
Some of our Products
MODEL S1 is generally supplied with the adjustable keeper plate (S01XXX), without the release button. It’s available with holding force of 500, 1000 or 1500 Newtons.
The electrical connection is made directly on the coil wires (L = 70mm), with standard voltage operation of 24Vdc. The fixing base of the magnet is made of plastic material (ABS) for models of 500 and 1000 Newtons, while for model of 1500 Newtons it’s made of galvanized steel.
MODEL S2 is generally supplied with adjustable keeper plate (S01), a release button and protection circuit. It’s available with holding force of 500 or 1000 Newton, 24Vdc. Power supply wires can enter from down or from the sides via special tear-off tabs. Both the base for the fixing of the magnet (black) and its cover are made of plastic material. The attention in the choice of the material has realised a light but strong product. Its compact design results particularly pleasant also in places where estetic is important. doors holder magnetic electromagnetic fire door doors holders ventouse.
