Switch disconnectors mounted in enclosures built in four different type of material.
Special executions based on customer specifications are also available.
GENERAL CHARACTERISTICS
• sheet steel enclosures finished with application of epoxy powders RAL 7032 colour after phosphatizing treatment
• stainless steel enclosures with anti-corrosive property (AISI 316)
• aluminium enclosures
• autoextinguishing plastic enclosures
• IP 65 degree of protection
• wall mounting by means of flasks
• upper and lower opening for cables and bars connection closed with suitable flanges and gaskets
• padlockable door interlock handle
• line terminal protections
• auxiliary contacts, earth connections, alluminium cable terminals are available, on request.
Characteristics
SD1
SD2
16A
25A
32A
40A
63A
63A
80A
100A
125A
Rated insulation voltage
Ui
(V)
800
800
800
800
800
800
800
800
800
Inpulse with listand voltage
Uimp
(kV)
8
8
8
8
8
8
8
8
8
Rated thermal current at 40°C
Ith/Ithe
(A)
16
25
32
40
63
63
80
100
125
Rated operational current
AC-21A
415V
(A)
16
25
32
40
63
63
80
100
125
500V
(A)
16
25
32
40
63
63
80
100
125
690V
(A)
16
25
32
40
63
63
80
100
125
AC-22A
415V
(A)
16
25
32
40
63
63
80
100
125
500V
(A)
16
25
32
40
63
63
80
100
100
690V
(A)
16
25
32
40
40
40
40
40
40
AC-23A
415V
(A)
16
25
32
40
40
63
80
80
80
500V
(A)
16
25
32
40
40
63
63
63
63
690V
(A)
16
25
25
25
25
32
32
32
32
Rated making capacity at 415V AC23
(A)
160
250
320
400
400
630
800
800
800
Rated breaking capacity at 415V AC23
(A)
128
200
256
320
320
504
640
640
640
Rated operational power AC23
415V
(kW)
7,5
11
14
15
15
29
37
37
37
500V
(kW)
7,5
11
14
15
18,5
35
35
35
35
690V
(kW)
7,5
11
14
15
18,5
24
24
24
24
Short-circuit withstand current 1 sec
(400V)
(kA)
1,1
1,1
1,1
1,1
1,1
1,5
1,5
1,5
1,5
Rated fuse short circuit current
Back up fuse gG
(A)
16
25
32
40
63
63
80
100
125
R.M.S. value
(kA)
50
50
50
50
20
50
50
30
20
Peak value
(kA)
3,8
4,5
5
5,7
5,7
8
9,9
9,9
9,9
Mechanical endurance
n.
50000
50000
50000
50000
50000
30000
30000
30000
30000
Electrical endurance
n.
3000
3000
3000
3000
3000
3000
1500
1500
1000
Power loss for pole
W
0,05
0,12
0,32
0,32
0,8
0,8
1,3
2
3,1
Cable section
mmq
16
16
16
16
16-25
16-50
16-50
25-50
35-50
Max terminal torque
Nm
2
2
2
2
2
2
2
2
2
Operation torque
Nm
1,6
1,6
1,6
1,6
1,6
1,6
1,6
1,6
1,6
Auxiliary contacts
A
3
3
3
3
3
3
3
3
3
Net weight 3 poles
Kg.
0,13
0,13
0,13
0,13
0,13
0,25
0,25
0,25
0,25
Net weight 4 poles
Kg.
0,16
0,16
0,16
0,16
0,16
0,32
0,32
0,32
0,32
SD1 16÷63A
SD2 63÷125A
witch disconnectors in alluminium enclosure
Type
Rated current
3 poles code
4 poles code
Solid neutral
SD1
16A
19200AL
19230AL
19200SNAL
25A
19201AL
19231AL
19201SNAL
32A
19202AL
19232AL
19202SNAL
40A
19203AL
19233AL
19203SNAL
63A
19204AL
19234AL
19204SNAL
SD2
63A
19205AL
19235AL
19205SNAL
80A
19206AL
19236AL
19206SNAL
100A
19207AL
19237AL
19207SNAL
125A
19208AL
19238AL
19208SNAL
The safety handle version (red-yellow) add “ME” to the code
ACCESSORIES
SD1
16÷63A
SD2
63÷125A
ACCESSORI
SD1
16÷63A
SD2
63÷125A
Emergency door interlock handle
19401
Solid neutral
19419
19420
Door interlock handle
19400
6-8 poles switches SD1-SD2 attachement kit from 16÷125A shaft max 200 mm
19440
Shaft 100,200,300mm (*)
19535
Auxiliary contacts 1NO+1NC screw terminals (**)
19423
19429
Door interlock handle for change-over (1-0-2)
19402
Auxiliary contacts 1NO+1NC Faston terminal (**)
19428
19430
Fourth pole
19414
19418
3 poles terminals cover kit
19424
19425
Hearting neutral
19421
19422
4th pole terminal cover kit
19426
19427
(*) To be eployed with SD2 change-over and with 6/8 poles switch shaft, 200 mm max width.
(**) Rated current 10A 400V - 16A 250V ac - Break before main contacts.
All the accessories are suitable to be employed with switches and change-overs of SD series, except for specific indications.
