Pre-wiring device for contactors
AssigneeSchneider Electric Industries SAS
InventorsSerge Paggi, Thierry Fort
Life of this patent
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Abstract
A pre-wiring device creating a logic function such as an inverter function or a star-delta start function between at least two multi-pole contactors located side by side and used particularly in electrical control equipment of motors. A same pre-wiring device allows connections to be made in an identical way to several sizes of contactors which reduces accordingly the number of different terminal bars to be designed and manufactured. According to a characteristic of the invention, this pre-wiring device includes an upstream pre-wiring terminal bar 30 fitted with metal pins 31 to be inserted into the upstream wiring terminal blocks 11 of the contactors. The pre-wiring device also includes a downstream pre-wiring terminal bar.
Claims8
A pre-wiring device to create a logic function between at least two multi-pole contactors (10, 20) located side by side, including an upstream pre-wiring terminal bar (30) coated in insulating material, installed on said contactors and fitted with metal pins (31) able to be inserted in the housings of the upstream wiring terminal blocks of the contactors, characterised in that this upstream terminal bar (30) includes on its lower face (37) stop means which come into support on the upper plane surface (12, 22) of the upstream terminal blocks (11, 21) of a first type of contactors (10, 20) and which are shielded on a second type of contactors (10′, 20′) the upper face of which has adapted notches (13′, 23′).
Dependencies are inferred from the claim text.