Plastic-bodied
interlocking safety switch
SKC
SK
Protection class IP 65
Designation
Part number
Circuit diagram
p
Forced disconnect to
IEC 947-5-1 chapter 3
Za: not galvanically separated contacts
Zb: galvanically separated contacts
Slow make & break/snap-action
Internal seal (iw)/external seal (w)
SKC-A1Z M
601.6169.039
11
12
SK-U1Z M
601.6119.016
11
23
12
24
SK-UV1Z M
601.6139.034
15
23
16
24
p
Zb
l/–
iw
p
Zb
l/–
iw
p
Zb
l/–
iw
Contact travel
mm (inch)
Tol. ± 0.25 mm
Actuator force N
Tol. ± 10%
1
2
) actuator in
) actuator out
On
Off
Voltage
max.
Permanent current
max.
In-rush current complies with standards
IEC 947-5-1 AC 15/DC 13
Switching frequency
max.
Mechanical life – number of switching actions
Operating temperature
min./max.
500 V AC
10 A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
500 V AC
10 A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
500 V AC
10 A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
Approvals
Weight
Delivery: ex-stock/built to order
All dimensions in mm (inch)
BG, UL, CSA
0.11 kg/0.24 Ib
l/–
BG, UL, CSA
0.13 kg/0.29 Ib
l/–
BG, UL, CSA
0.13 kg/0.29 Ib
l/–
52
(2.05")
40
(1.57")
7.9
(0.31")
52
(2.05")
40
(1.57")
30
(1.18")
8
(0.31")
27
(1.06")
29
(1.14")
8
(0.32")
8
(0.31")
Ø5.1
(0.20")
8
(0.31")
Ø5.1
(0.20")
29
(1.15")
29.1
(01.15")
18.1
(0.71")
27
(1.07")
5.5
(0.22")
40
(1.57")
7
(0.28")
M20x1.5
52
(2.05")
18.1
(0.71")
5.5
(0.22")
40
(1.57")
7
(0.28")
33
(1.30")
M16x1.5
52
(2.05")
75
(2.95")
33.5
(1.32")
68
90
(3.54")
29
(1.14")
30
(01.18")
7.9
(0.31")
SK-UV15Z M
601.6169.026
15
25
33
16
26
34
SK-UV16Z M
601.6169.027
15
23
33
16
24
34
SK-A2Z M
601.6169.036
11
21
12
22
p
Zb
l/–
iw
p
Zb
l/–
iw
p
Zb
l/–
iw
400 V AC
6A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
400 V AC
6A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
500 V AC
10 A
l
30/min.
1 x 10
6
–30 °C/+80 °C
–22 °F/+176 °F
BG, UL, CSA
0.13 kg/0.29 Ib
l/–
BG, UL, CSA
0.13 kg/0.29 Ib
l/–
BG, UL, CSA
0.13 kg/0.29 Ib
l/–
69
Switches
Actuator selection table
SKC/SK
Safety switch
DIN EN 60947-5-1
l p
Forced disconnection of NC contacts
l
Galvanically separated contacts
according to Zb form
Approvals
l
UL, CSA
l
BG
Actuator M
l
Metal
l
Stainless steel
Actuator P
l
Thermoplastic
l
Polyamide
Standard models
Single & double poles
SKC-A1Z
SKC-A1Z F30
SKC-A1Z Fi100
SK-U1Z
SK-U1Z F30
SK-U1Z Fi100
SK-UV1Z
SK-UV1Z F30
SK-UV1Z Fi100
SK-A2Z
SK-A2Z F30
SK-A2Z Fi100
SK-SU1Z
SK-SU1Z F30
SK-SU1Z Fi100
Actuator
Contact diagram
retention force
10N
30N
100N
10N
30N
100N
10N
30N
100N
10N
30N
100N
10N
30N
100N
11
12
Part number
Designation
601.6169.039
SKC-A1Z M
m
601.6169.003
SKC-A1Z Fi100 M
601.6119.016
SK-U1Z M
611.6119.109
SK-U1Z F30 M
601.6119.001
SK-U1Z Fi100 M
601.6139.034
SK-UV1Z M
m
m
601.6169.036
SK-A2Z M
601.6169.053
SK-A2Z F30 M
601.6169.024
SK-A2Z Fi100 M
m
m
m
Part number
Designation
601.6169.054
SKC-A1Z P
m
–
601.6119.035
SK-U1Z P
m
–
m
m
–
m
m
–
m
m
–
11
23
12
24
15
23
16
24
11
21
12
22
13
21
14
22
Standard models
Three poles
SK-UV15Z
SK-UV15Z F30
SK-UV15Z Fi100
SK-UV16Z
SK-UV16Z F30
SK-UV16Z Fi100
Actuator
Contact diagram
retention force
10N
15
30N
16
26
34
16
24
34
25
100N
33
10N
15
30N
Part number
Designation
601.6169.026
SK-UV15Z M
601.6169.061
SK-UV15Z F30 M
601.6169.025
SK-UV15Z Fi100 M
601.6169.027
SK-UV16Z M
m
m
Part number
Designation
m
m
–
m
m
–
23
100N
33
m
Technically possible (on request)
– Not available
70
Actuator F
l
Spring loaded to
accomodate over-
travel
l
Stainless steel or
polyamide
Actuator MRU
l
Adjustable hori-
zontally & vertically
l
Flexible
l
Stainless steel
l
Spring loaded to
accomodate
overtravel
Part number
Designation
601.6169.087
SKC-A1Z MRU
m
m
601.6119.084
SK-U1Z MRU
m
m
m
m
m
601.6169.085
SK-A2Z MRU
m
601.6169.032
SK-A2Z Fi100 MRU
m
m
m
Technical data
Standard models
single & double poles
Insulation voltage:
U
i
= 500 V
Thermal constant current:
I
th
= 10 A
Switching frequency:
Max. 30/min.
Mechanical life:
1 x 10
6
cycles
Operating temperature:
–30 °C/+80 °C
–22 °F/+176 °F
Weight:
0.13 kg/0.29 lbs
Part number
Designation
m
m
m
601.6119.074
SK-U1Z PF
m
m
m
m
m
m
m
m
m
m
m
l
Forced Ejection (FE):
The actuator mechanism is
spring loaded to forcibly eject
the actuator.
l
Actuator Retention
(F 30, Fi 100)
This model retains the
actuator with the indicated
force in Newtons.
l
MRU Actuator:
This actuator is spring
mounted to accommodate
some misalignment as
well as over travel.
Technical data
Standard models
three poles
Insulation voltage:
U
i
= 400 V
Thermal constant current:
I
th
= 6 A
Switching frequency:
Max. 30/min.
Mechanical life:
1 x 10
6
cycles
Operating temperature:
–30 °C/+80 °C
–22 °F/+176 °F
Part number
Designation
601.6169.063
SK-UV15Z MF
m
m
m
m
m
Part number
Designation
601.6169.086
SK-UV15Z MRU
m
m
m
m
m
Weight:
0.13 kg/0.29 lbs
Important note:
To ensure safety integrity, actuators
should only be purchased together
with the safety switch.
71
Switches