Compax3 device description C3I22T11
52 192-120114 N5 C3I22T11 June 2008
3.6.2. Terminal clamps – max. line cross section C3H
Terminal clamps – max. line cross section
The line cross sections must correspond to the locally valid safety regulations. The
local regulations have always priority.
Power clamps
(minimum/maximum section)
Control lines
C3H050V4
2.5 / 16mm
2
2.5mm
2
massive multiwire
C3H090V4
16 / 50mm
2
25 / 50mm
2
2.5mm
2
C3H1xxV4
25 / 95mm
2
35 / 95mm
2
2.5mm
2
The standard connection clamps of Compax3H090V4 and Compax3H1xxV4
are not suitable for flat line bars.
Cover plate for cable feedthrough
The cable feedthrough holes have the following dimensions:
C3H050V4
28.6mm for M20, PG16 and ½” NPT (America).
37.3mm for M32, PG29 and 1” NPT (America).
C3H090V4
22.8mm for M20, PG16 and ½” NPT (America).
28.6mm for M25, PG21 and ¾” NPT (America).
47.3mm for M40, PG36 and 1¼”” NPT (America).
54.3mm for M50, PG42and 1½” NPT (America).
C3H1xxV4
22.8mm for M20, PG16 and ½” NPT (America)
28.6mm for M25, PG21 and ¾” NPT (America)
Recommended tightening torques
High voltage supply Braking Resistor Grounding
C3H050V4
4Nm / 15.88kg-in 4Nm / 15.88kg-in 4.5Nm / 18.14kg-in
C3H090V4
6-8Nm / 53-70lb-in 6-8Nm / 53-70lb-in 6-8Nm / 53-70lb-in
C3H1xxV4
15-20Nm / 132-177lb-in 0.7Nm / 2.77kg-in 42Nm / 375lb-in
Cable joints
Use metallic cable joints permitting a 360° shielding in order to comply with the
EMC directive.
2
1
1: Cable feedthrough plate
2: metallic joint with 360° shielding for EMC compliant design
The device must be grounded without interruption according to EN 61800-5-1. The
mains supply lines must be protected with a suitable fuse or a circuit breaker (FI
switches or earth fault fuses ar e not recommended).
For installation in accordance with EN 61800-5-1 mm Europe:
For grounding without interruption, two separate protective leads (<10mm
²
cross-
section) or one lead (>10mm
²
cross-section) are required. Each protective lead
must meet the requirements according to EN 60204.
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