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SENTRON, Switch disconnector 3LD, main switch, 4-pole, Iu: 25 A, Operating power / at AC-23 A at 400 V: 9.5 kW, front-mounted, rotary operating mechanism, black, 4-hole mounting of the handle |
Model |
product brand name |
SENTRON |
product designation |
Switch disconnector |
design of the product |
Main switch |
display version for switch position indicator manual operation |
1 ON - 0 OFF |
type of switch |
front mounted |
design of the actuating element |
Short rotary knob |
color of the actuating element |
black |
design of handle |
rotary operating mechanism, black |
type of the driving mechanism motor drive |
No |
General technical data |
number of poles |
4 |
size of switch disconnector |
2 |
mechanical service life (operating cycles) typical |
100 000 |
electrical endurance (operating cycles) |
|
● at AC-23 A at 690 V |
6 000 |
operating frequency maximum |
50 1/h |
degree of pollution |
3 |
Voltage |
insulation voltage rated value |
690 V |
surge voltage resistance rated value |
6 kV |
operating voltage |
|
● at AC rated value |
690 V |
operating frequency rated value |
|
● minimum |
50 Hz |
● maximum |
60 Hz |
Protection class |
protection class IP |
IP65 |
degree of protection NEMA rating |
1, 3R, 4X, 12 |
protection class IP on the front |
IP65 |
Dissipation |
power loss [W] for rated value of the current at AC in hot operating state per pole |
1.1 W |
Main circuit |
operational current |
|
● at AC-21 at 690 V rated value |
25 A |
● at AC-21 A at 240 V rated value |
25 A |
● at AC-21 A at 400 V rated value |
25 A |
● at AC-21 A at 440 V rated value |
25 A |
● at AC-23 A at 400 V rated value |
20 A |
operating power |
|
● at AC-23 A at 240 V rated value |
5 kW |
● at AC-23 A at 400 V rated value |
10 kW |
● at AC-23 A at 440 V rated value |
9.5 kW |
● at AC-23 A at 690 V rated value |
10 kW |
● at AC-3 at 240 V rated value |
4 kW |
● at AC-3 at 400 V rated value |
8 kW |
● at AC-3 at 690 V rated value |
7.5 kW |
Auxiliary circuit |
number of CO contacts for auxiliary contacts |
0 |
number of NC contacts for auxiliary contacts |
0 |
number of NO contacts for auxiliary contacts |
0 |
operating voltage of auxiliary contacts at AC maximum |
500 V |
continuous current of the auxiliary contact rated value |
10 A |
insulation voltage of the auxiliary switch rated value |
500 V |
Suitability |
suitability for use main switch |
Yes |
suitability for use switch disconnector |
Yes |
suitability for use EMERGENCY OFF switch |
No |
suitability for use safety switch |
Yes |
suitability for use maintenance/repair switch |
Yes |
Product details |
product feature can be locked into OFF position |
Yes |
accessories |
product extension optional |
|
● motor drive |
No |
● voltage trigger |
No |
number of connectable NC contacts for auxiliary contacts attachable maximum |
2 |
number of connectable NO contacts for auxiliary contacts attachable maximum |
2 |
number of connectable CO contacts for auxiliary contacts attachable maximum |
0 |
number of bracket locks maximum |
3 |
hasp thickness of the bracket locks |
4 ... 8 mm |
Short circuit |
conditional short-circuit current with line-side fuse protection |
|
● at 690 V by gG fuse rated value |
50 kA |
let-through current with closed switch |
|
● at 240 V for combination switch + gG fuse maximum |
3.5 kA |
● at 440 V for combination switch + gG fuse maximum |
3.5 kA |
● at 690 V for combination switch + gG fuse maximum permissible |
4 kA |
I2t value with closed switch |
|
● at 240 V for combination switch + gG fuse maximum |
4 kA2.s |
● at 440 V for combination switch + gG fuse maximum |
4 kA2.s |
● at 690 V for combination switch + gG fuse maximum |
4 kA2.s |
design of the fuse link |
|
● for short-circuit protection of the main circuit required |
fuse gL/gG: 25 A |
● for short-circuit protection of the auxiliary switch required |
fuse gL/gG: 10 A |
operational current of upstream fuse rated value |
25 A |
according UL |
operational current at AC according to UL 508/UL 60947-4-1 rated value |
25 A |
operating voltage at AC at 50/60 Hz according to UL 508/UL 60947-4-1 rated value |
600 V |
active power [hp] at AC at 480 V according to UL 508/UL 60947-4-1 rated value |
10 |
active power [hp] at AC at 600 V according to UL 508/UL 60947-4-1 rated value |
15 |
short-time withstand current (SCCR) at 600 V according to UL 508/UL 60947-4-1 |
5 kA |
continuous current of upstream fuse according to UL rated value |
50 A |
type of fuse according to UL |
RK5 |
Connections |
AWG number as coded connectable conductor cross section solid maximum |
|
● |
8 |
● |
14 |
type of connectable conductor cross-sections for copper conductor |
|
● solid |
1x (1,5...16mm²) |
● finely stranded with core end processing |
1x (1,5...10mm²) |
● stranded |
1x (1,5...16mm²) |
type of connectable conductor cross-sections for auxiliary contacts |
|
● solid |
lateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²) |
● finely stranded with core end processing |
lateral auxiliary switch 2x (0,75 ... 1,5mm²), 1x 2,5mm²; front auxiliary switch 1x 2,5mm² |
● stranded |
lateral auxiliary switch 2x (0,75 ... 2,5mm²), 1x 4mm²; front auxiliary switch 1x (0,75 ... 2,5mm²) |
type of electrical connection |
|
● for main current circuit |
box terminal |
● for auxiliary contacts |
connection terminals |
Mechanical Design |
height |
84 mm |
width |
67 mm |
depth |
92.5 mm |
type of device |
fixed mounting |
fastening method |
Built-in unit fixed-mounted version |
fastening method |
|
● 4-hole front mounting |
Yes |
● front mounting with central attachment |
No |
● rail mounting |
No |
net weight |
236 g |
Environmental conditions |
ambient temperature during operation |
|
● minimum |
-25 °C |
● maximum |
55 °C |
ambient temperature during storage |
|
● minimum |
-25 °C |
● maximum |
55 °C |
Approvals Certificates |
Information on the packaging
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