7100A User Manual
2-3
Installation
2.2. TYPES OF MOUNTING
Two types of mounting are possible:
• DIN rail mounting or
• bulkhead mounting with screws.
2.2.1. ATTACHMENT PLATE
The
attachment plate
, shipped fitted to the rear of the 7100A power thyristor unit, is used:
• to clip the unit to a DIN rail, or
• to screw the unit to a bulkhead.
The attachment plate has:
• attachment holes for bulkhead mounting, and
• two fixed hooks and two mobile hooks for clipping to a DIN rail.
(the mobile hooks are moved using a catch and spring).
Current
DIN rail mounting
Bulkhead mounting
rating
Attachment plate DIN rail
Attachment plate
Screws
16 A to 63 A
One vertical
One EN50022
One vertical
2 x M4
plate
symmetric rail
plate
80 A and 100 A Two horizontal
Two EN50022
Two horizontal
4 x M4
plates
symmetric rail
plates
≥
125 A
Not applicable
Two horizontal
4 x M6
plates
2.2.2. MOUNTING / DETACHING UNITS IN DIN RAILS
• fix one symmetric DIN rail (rating 16 A to 63 A) or two rails (rating 80 A and 100 A), in accordance
with the unit dimensions and safety recommendations.
• bring the unit up against the rail, engaging the two fixed hooks
• push the unit against the rail
• clip the unit onto the rail using the mobile hooks, ensuring that they are properly engaged.
To
detach
the unit:
• move the mobile hooks downwards by pulling on the catch
• unclip the unit from the rail.
Table 2-1 Attachment details for both mounting types
71A2_Installation_ENG_Iss3.qxp 1/09/06 16:14 Page 2-3