| EMERG. STOP SWITCH 3-POLE IU=32, P/AC-23A AT 400V=8.5KW FLOOR MOUNTING DIN RAIL/TWO-HOLE MOUNTING DOOR COUPLING ROTARY MECHANISM RED/YELLOW (EMERG. STOP) |
Model |
Product brand name | SENTRON |
Product designation | 3LD Switch disconnector |
Design of the product | EMERGENCY-STOP switch |
Display version / for switch position indicator manual operation | 1 ON - 0 OFF |
Design of the operating mechanism | Short rotary knob |
Design of handle | rotary operating mechanism, red/yellow |
Type of the driving mechanism / motor drive | No |
General technical data |
Number of poles | 3 |
Type of device | fixed mounting |
Type of switch | Floor mounting with door coupling |
Size of switch disconnector | 2 |
Operating frequency / maximum | 50 1/h |
Voltage |
Insulation voltage / rated value | 415 V |
Surge voltage resistance / rated value | 6 kV |
Protection class |
Protection class IP | IP65 |
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 | 1.8 W |
Electricity |
Current / at AC / rated value | 32 A |
Continuous current / rated value | 32 A |
Continuous current / of upstream fuse / rated value | 40 A |
Main circuit |
Operating frequency | |
initial value | 50 Hz |
Full-scale value | 60 Hz |
Operating power | |
at AC-23 A / at 400 V / rated value | 8.5 kW |
at AC-3 / at 400 V / rated value | 7.5 kW |
Operating voltage | |
at AC / at 50/60 Hz / rated value | 415 V |
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 |
switch disconnector | Yes |
EMERGENCY OFF switch | Yes |
safety switch | Yes |
maintenance/repair switch | Yes |
Product details |
Product feature / interlock | Yes |
Number of bracket locks / maximum | 3 |
Hasp thickness / of bracket locks / minimum | 4 mm |
Hasp thickness / of bracket locks / maximum | 8 mm |
Product extension / optional | |
motor drive | No |
Voltage trigger | No |
Short circuit |
Conditional short-circuit current / with line-side fuse protection | |
at 690 V / by gG fuse / rated value | 50 kA |
Connections |
Type of connectable conductor cross-sections | |
for copper conductor / solid | 1x (1,5
16mm²) |
for copper conductor / finely stranded / with core end processing | 1x (1,5
10mm²) |
for copper conductor / stranded | 1x (1,5
16mm²) |
for auxiliary contacts / solid | 2x (0.75 ... 2.5 mm²), 1x 4 mm² |
for auxiliary contacts / finely stranded / with core end processing | 2x (0.75 ... 1.5 mm²), 1x 2.5 mm² |
for auxiliary contacts / stranded | 2x (0.75 ... 2.5 mm2), 1x 4 mm2 |
Type of electrical connection | |
for main current circuit | box terminal |
for auxiliary contacts | connection terminals |
Requirements |
Design of the fuse link | |
for short-circuit protection of the auxiliary switch / required | fuse gL/gG: 10 A |
Mechanical Design |
Height | 79 mm |
Width | 67 mm |
Depth | 368 mm |
Mounting type | Built-in unit fixed-mounted version |
Mounting type | |
front mounting with 4-hole attachment | No |
front mounting with central attachment | Yes |
rail mounting | Yes |
Net weight | 372 g |
Environmental conditions |
Ambient temperature | |
during operation / minimum | -25 °C |
during operation / maximum | 55 °C |