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Photos are for informational purposes only. View product specification
please use latin characters
Safety switch / safety door SNO 4003K
• For immediate interruption of the power supply – stop category 0
• Monitoring of emergency stop applications
• Monitoring of safety gates
• Protective measures in sections of the safety system
The device has two reset inputs Y2 (without reset monitoring) or Y3 (with reset monitoring). The relays K1 and K2 are actuated either after the reset button (on Y1-Y3) has been pressed or automatically (bridge Y1-Y2). They become self-locking through their own contacts, if there is an electrical connection between terminal A1 and the
supply voltage (emergency stop button, position switches). After this switch-on phase the enabling current paths are closed and the signaling current path is open. If the electrical connections between terminal A1 and the supply voltage are interrupted, the enabling current paths open and the signaling current path closes. The energized state (self-locking) of the two channels is indicated by a green LED K1, K2. The second green LED indicates that supply voltage has been applied. The set-up of an emergency stop facility after stop category 0 (EN 60204-1) is possible. The device corresponds to category 4 for safety-related parts of controls (EN 954-1).
Proper use
The device is available for monitoring transducers (such as emergency stop buttons or
position switches) that are components of protective equipment on machines and are
used for the purpose of protecting people, material and machines.
• The safety category according to EN 954-1 depends on the external circuitry, the
choice of control devices and their placement on the machine.
• Expansion devices or external contactors with positively driven contacts can be used
to multiply the enabling current paths.
• The device and the contacts must be protected at max. 8 A.
• The emergency stop circuit must be closed before the reset button is activated.
• For connecting magnetic switches with reed contacts or sensors with
semiconductor outputs the peak input current must be considered (see “Technical
data”).
• The devices must be installed in a control cabinet with a protection degree of at
least IP 54.
• With AC supply and single-channel circuitry the maximum cable length for the safety
circuit of the transducers must be considered (see the notes on cable lengths and
“Technical data”
Please also note the information provided by your trade association
Cable data section 1,5 mm2
capacity 150 nF/km
resistance 28 Ω/km
temperature +25 °C
Circuit Alternating current (AC) cable not laid out in parallel,max. length lr:1 km
Tap line max. length of tap line l s and max. line capacity C L depending on supply voltage U
UB 115 230 V
CL 37,5 nF 7,5 nF
lS 250m 50 m
Overview of devices / Part numbers | ||||
---|---|---|---|---|
type | Nominal voltage | Terminals | numer sztk/opak. | |
SNO 4003K | AC/DC 24 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0400.1 1 |
AC 115 - 120 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0880.1 1 | |
AC 230 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0890.1 1 | |
SNO 4003K-A | AC/DC 24 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0500.1 1 |
AC 115 - 120 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0900.1 1 | |
AC 230 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0910.1 1 |
Technical data | SNO 4003K | ||
---|---|---|---|
Function
according to EN 60204-1
|
Emergency stop relay
|
||
Function display
|
2 LEDs green
|
||
Function diagram
|
FD 221-3-1 W, FD 221-3-2 W
|
||
Power supply circuit
|
|||
Devices with rated voltage AC / DC 24 V
|
min | typ | max |
Operating voltage range
|
AC/DC 20,4 V | AC/DC 24 V | AC/DC 26,4 V |
Residual ripple
|
2,4 Vss
|
||
Rated consumption DC
|
- | 1,3 W | 1,6 W |
Rated consumption AC
|
- | 1,8 W/3,2 VA | 2,2 W/3,9 VA |
Rated frequency AC
|
50 Hz | 60Hz | |
Input inrush current (A1)
|
- | - | 1,7 A |
Rated short-circuit current
|
- | 1400 mA | - |
Response time / recovery time
|
2 s/3 s | ||
Fuse for control circuit supply
|
resistor PTC
|
||
Electrical isolation supply circuit – control circuit
|
no
|
||
Devices with rated voltage AC 115-120 V / AC 230 V
|
|||
Operating voltage range Un= AC 115-120 V
|
AC 93,5 V | AC 115-120 V | AC 132 V |
Operating voltage range Un= AC 230 V
|
AC 195 V | AC 230 V | AC 253 V |
Rated consumption
|
- | 2,0 W/2,3 VA | 2,4 W/2,8 VA |
Rated frequency AC
|
50 Hz | 60Hz | |
Wire length to the safe transducer
|
(wires installed in parallel; see the notes on the wire lengths)
|
||
Fuse for control circuit supply
|
Short-circuit proof transformer
|
||
Electrical isolation supply circuit – control circuit
|
yes
|
||
Control circuit
|
|||
Conductor resistance in Y1-Y2 or Y1-Y3 (at U
N
dep. on supply voltage)
|
- | - | 70 Ω |
Rated output voltage to the supply of input Y2
|
DC 24 V | - | |
Open circuit voltage
|
- | - | DC 40 V |
Rated current / peak current (inputs Y2, Y3)
|
- | 90 mA/1500 mA | |
Release time tR (K1, K2)
|
- | 60 ms | 80 ms |
Response time tA1 (devices with rated current AC 115-120 V / AC 230 V)
|
- | 180 ms | 300 ms |
Response time tA1 (devices with rated voltage AC / DC 24 V)
|
- | 40 ms | 60 ms |
Response time tA2
|
40 ms | 60 ms | |
Minimum ON time tM1(Y2)
|
tA1 | - | - |
Minimum ON time tM2(Y3)
|
tA2 | - | |
Recovery time tW
|
- | - | 200 ms |
Stand-by time tB
|
300 ms | ||
Output circuit
|
|||
Contact assignment
|
3 enabling current paths with positively driven contacts (NO), 1 signaling current path (NC)
|
||
Rated switching voltage U
UN |
AC/DC 230 V
|
||
Max. continuous current IN per current path, NO / NC
|
8 A/5 A
|
||
Max. total current of all current paths for devices with rated voltage AC / DC 24 V
|
12 A
|
||
Max. total current of all current paths
for devices with rated voltage AC 115-120 V / AC 230 V
|
8A
|
||
Application category according to EN 60947-5-1 360 h-1
3600 h-1 |
AC-15: Ue 230 V, Ie 4 A / DC-13: Ue 24 V, Ie 4 A
AC-15: Ue 230 V, Ie 3 A / DC-13: Ue 24 V, Ie 2,5 A |
||
Short-circuit protection max. fuse
|
6 A class gG or circuit breaker with trigger characteristic B or C
|
||
Short-circuit protection, fuse
|
max 8A
|
||
Mechanical life
|
10x106 switching operations
|
||
General data
|
|||
Creepage distances and clearances between the circuits
|
according to EN 60664-1
depending on device version; see “Electrical isolation, supply circuit”
|
||
Overvoltage category
|
III
|
||
Rated impulse voltage
|
4 kV
|
||
Rated voltage
|
AC 300 V
|
||
Test AC voltage
|
2 kV
|
||
Degree of pollution of the device: inside / outside
|
2/3
|
||
Protection degree according to DIN EN 60529 (housing / terminals)
|
|||
Ambient temperature / storage temperature
|
-25 - +55 °C/-25 - +75 °C
|
||
Dimension diagram
|
K 4-1 (screw terminals / K 4-2 (pluggable terminals)
|
||
Wire ranges fine-stranded / solid or fine-stranded with ferrules
|
2x0,14 - 0,75 mm2/1x0,14 - 2,5 mm2
1x0,25 - 2,5 mm2/2x0,25 - 0,5 mm2 |
||
Permissible torque
|
0,5 - 0,6 Nm
|
||
Weight for devices with rated voltage AC / DC 24 V
|
0,20 kg
|
||
Weight for devices with rated voltage AC 115-120 V / AC 230 V
|
Send an inquiry
Are you interested in this product? Do you need additional information or individual pricing?
Contact us
• For immediate interruption of the power supply – stop category 0
• Monitoring of emergency stop applications
• Monitoring of safety gates
• Protective measures in sections of the safety system
The device has two reset inputs Y2 (without reset monitoring) or Y3 (with reset monitoring). The relays K1 and K2 are actuated either after the reset button (on Y1-Y3) has been pressed or automatically (bridge Y1-Y2). They become self-locking through their own contacts, if there is an electrical connection between terminal A1 and the
supply voltage (emergency stop button, position switches). After this switch-on phase the enabling current paths are closed and the signaling current path is open. If the electrical connections between terminal A1 and the supply voltage are interrupted, the enabling current paths open and the signaling current path closes. The energized state (self-locking) of the two channels is indicated by a green LED K1, K2. The second green LED indicates that supply voltage has been applied. The set-up of an emergency stop facility after stop category 0 (EN 60204-1) is possible. The device corresponds to category 4 for safety-related parts of controls (EN 954-1).
Proper use
The device is available for monitoring transducers (such as emergency stop buttons or
position switches) that are components of protective equipment on machines and are
used for the purpose of protecting people, material and machines.
• The safety category according to EN 954-1 depends on the external circuitry, the
choice of control devices and their placement on the machine.
• Expansion devices or external contactors with positively driven contacts can be used
to multiply the enabling current paths.
• The device and the contacts must be protected at max. 8 A.
• The emergency stop circuit must be closed before the reset button is activated.
• For connecting magnetic switches with reed contacts or sensors with
semiconductor outputs the peak input current must be considered (see “Technical
data”).
• The devices must be installed in a control cabinet with a protection degree of at
least IP 54.
• With AC supply and single-channel circuitry the maximum cable length for the safety
circuit of the transducers must be considered (see the notes on cable lengths and
“Technical data”
Please also note the information provided by your trade association
Cable data section 1,5 mm2
capacity 150 nF/km
resistance 28 Ω/km
temperature +25 °C
Circuit Alternating current (AC) cable not laid out in parallel,max. length lr:1 km
Tap line max. length of tap line l s and max. line capacity C L depending on supply voltage U
UB 115 230 V
CL 37,5 nF 7,5 nF
lS 250m 50 m
Overview of devices / Part numbers | ||||
---|---|---|---|---|
type | Nominal voltage | Terminals | numer sztk/opak. | |
SNO 4003K | AC/DC 24 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0400.1 1 |
AC 115 - 120 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0880.1 1 | |
AC 230 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0890.1 1 | |
SNO 4003K-A | AC/DC 24 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0500.1 1 |
AC 115 - 120 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0900.1 1 | |
AC 230 V | 50 - 60 Hz | Terminal block, rising cage termination | R1.188.0910.1 1 |
Technical data | SNO 4003K | ||
---|---|---|---|
Function
according to EN 60204-1
|
Emergency stop relay
|
||
Function display
|
2 LEDs green
|
||
Function diagram
|
FD 221-3-1 W, FD 221-3-2 W
|
||
Power supply circuit
|
|||
Devices with rated voltage AC / DC 24 V
|
min | typ | max |
Operating voltage range
|
AC/DC 20,4 V | AC/DC 24 V | AC/DC 26,4 V |
Residual ripple
|
2,4 Vss
|
||
Rated consumption DC
|
- | 1,3 W | 1,6 W |
Rated consumption AC
|
- | 1,8 W/3,2 VA | 2,2 W/3,9 VA |
Rated frequency AC
|
50 Hz | 60Hz | |
Input inrush current (A1)
|
- | - | 1,7 A |
Rated short-circuit current
|
- | 1400 mA | - |
Response time / recovery time
|
2 s/3 s | ||
Fuse for control circuit supply
|
resistor PTC
|
||
Electrical isolation supply circuit – control circuit
|
no
|
||
Devices with rated voltage AC 115-120 V / AC 230 V
|
|||
Operating voltage range Un= AC 115-120 V
|
AC 93,5 V | AC 115-120 V | AC 132 V |
Operating voltage range Un= AC 230 V
|
AC 195 V | AC 230 V | AC 253 V |
Rated consumption
|
- | 2,0 W/2,3 VA | 2,4 W/2,8 VA |
Rated frequency AC
|
50 Hz | 60Hz | |
Wire length to the safe transducer
|
(wires installed in parallel; see the notes on the wire lengths)
|
||
Fuse for control circuit supply
|
Short-circuit proof transformer
|
||
Electrical isolation supply circuit – control circuit
|
yes
|
||
Control circuit
|
|||
Conductor resistance in Y1-Y2 or Y1-Y3 (at U
N
dep. on supply voltage)
|
- | - | 70 Ω |
Rated output voltage to the supply of input Y2
|
DC 24 V | - | |
Open circuit voltage
|
- | - | DC 40 V |
Rated current / peak current (inputs Y2, Y3)
|
- | 90 mA/1500 mA | |
Release time tR (K1, K2)
|
- | 60 ms | 80 ms |
Response time tA1 (devices with rated current AC 115-120 V / AC 230 V)
|
- | 180 ms | 300 ms |
Response time tA1 (devices with rated voltage AC / DC 24 V)
|
- | 40 ms | 60 ms |
Response time tA2
|
40 ms | 60 ms | |
Minimum ON time tM1(Y2)
|
tA1 | - | - |
Minimum ON time tM2(Y3)
|
tA2 | - | |
Recovery time tW
|
- | - | 200 ms |
Stand-by time tB
|
300 ms | ||
Output circuit
|
|||
Contact assignment
|
3 enabling current paths with positively driven contacts (NO), 1 signaling current path (NC)
|
||
Rated switching voltage U
UN |
AC/DC 230 V
|
||
Max. continuous current IN per current path, NO / NC
|
8 A/5 A
|
||
Max. total current of all current paths for devices with rated voltage AC / DC 24 V
|
12 A
|
||
Max. total current of all current paths
for devices with rated voltage AC 115-120 V / AC 230 V
|
8A
|
||
Application category according to EN 60947-5-1 360 h-1
3600 h-1 |
AC-15: Ue 230 V, Ie 4 A / DC-13: Ue 24 V, Ie 4 A
AC-15: Ue 230 V, Ie 3 A / DC-13: Ue 24 V, Ie 2,5 A |
||
Short-circuit protection max. fuse
|
6 A class gG or circuit breaker with trigger characteristic B or C
|
||
Short-circuit protection, fuse
|
max 8A
|
||
Mechanical life
|
10x106 switching operations
|
||
General data
|
|||
Creepage distances and clearances between the circuits
|
according to EN 60664-1
depending on device version; see “Electrical isolation, supply circuit”
|
||
Overvoltage category
|
III
|
||
Rated impulse voltage
|
4 kV
|
||
Rated voltage
|
AC 300 V
|
||
Test AC voltage
|
2 kV
|
||
Degree of pollution of the device: inside / outside
|
2/3
|
||
Protection degree according to DIN EN 60529 (housing / terminals)
|
|||
Ambient temperature / storage temperature
|
-25 - +55 °C/-25 - +75 °C
|
||
Dimension diagram
|
K 4-1 (screw terminals / K 4-2 (pluggable terminals)
|
||
Wire ranges fine-stranded / solid or fine-stranded with ferrules
|
2x0,14 - 0,75 mm2/1x0,14 - 2,5 mm2
1x0,25 - 2,5 mm2/2x0,25 - 0,5 mm2 |
||
Permissible torque
|
0,5 - 0,6 Nm
|
||
Weight for devices with rated voltage AC / DC 24 V
|
0,20 kg
|
||
Weight for devices with rated voltage AC 115-120 V / AC 230 V
|