Technical Data - Scame ISOLATORS-EX 20A Installation, Use And Maintenance Manual

ISOLATORS-EX

3. TECHNICAL DATA

Electrical characteristics of switch-disconnectors in metal enclosure (2P, 3P, 4P)
Built-in control
SCAME
Command
Duly rated
Series
current
switch-
based on the
disconnector
category
Fam. 590
Table 1 - Electrical characteristics of switch-disconnectors (2P, 3P, 4P).
Technical data of external earth terminal
The threaded hole to be used in order to connect the enclosure to the earth conductor is found on an external wall; use a screw
and a pre-isolated wire terminals and anti-rotation bracket supplied with the device as shown in figure 5, connection section and
tightening torque see Table 2.
Technical data of power/earth terminals
Power terminals / connectable wires and tightening torques
Power terminal version
20A
32A
40A
63A
Internal earth terminal
External earth terminal
Table 2 - Terminals for unprepared rigid
and flexible copper cables / flexible cables with terminals.
3.1 ATEX MARKING
II 2D - Ex tb IIIC T80°C Db (Ta -25 to +40°C)
II 2D - Ex tb IIIC T90°C Db (Ta -25 to +60°C)
Year 20xx: year of manufacture.
Product suited for use in explosive atmosphere.
II: Product classified as belonging to group II, suitable for environments other than mines (surface industries).
2D: Product in category 2D intended to be installed in environments with the presence of combustible dust classified as zone 21.
Ex tb: protection mode (protection by means of enclosure).
MP37129
Technical data
Rated current
Isolation voltage (UI)
415V
AC22A
690V
415V
AC23A
690V
400V
AC3
690V
Nominal frequency
Cable section to be used
(rigid or flexible) mm²
4
6
6
10
Maximum section 10
Section 4 – 6
590.XHGE/ 590.XHGE/
XHEM200X XHEM320X
20A 32A
690V 690V
20A 32A
20A 32A
20A 32A
20A 25A
18A 25A
12A 18A
50/60Hz 50/60Hz
Tightening torque (Nm)
0,8
0,8
0,8
3,6
2
1,2
12
Rated current
590.XHGE/
XHEM400X
40A
690V
40A
32A
35A
25A
28,5A
20A
50/60Hz
Fig.3: Position of external earth terminal.
590.XHGE/
XHEM630X
63A
690V
63A
63A
63A
30A
40A
25A
50/60Hz
ZP90829-6