Plastic-bodied compact
limit switches
Combi C2
For confined spaces
With two mounting options
Protection class IP 30
Hinged snap lid
q
Designation
l Compact switches for safety or control
applications
l 3 different contact configurations
available as slow-action and snap-action
l All normally-closed contacts are positive
break p
Part number
Switching diagram
p positive break according to
IEC 947-5-1 Chap. 3
Za: changeover contact is not galvanically isolated
Zb: changeover contact is galvanically isolated
Slow-action contact/snap-action contact
Gasket inside (iw)/outside (w)
l Two channel safety control possible
l Galvanically isolated terminals, type Zb
l Approvals UL, CSA
l Rectangular cable entries (8.5 x 3.5 mm)
Contact travel mm
Tol. 0.25 mm
Actuating force N
Tol. 10%
for 4 x 1-mm2 flexible lead
l 4 screw-type connections (M3,5) with
self-lifting clamps
l PBT enclosure, glass-fibre reinforced,
self-extinguishing UL 94-V0
l Lid, PC UL 94-V0
Actuating torque Ncm
tol. 10%
Switch angle degree
Tol. 3.5°
l 2 mm contact opening of slow-action
system according to EN 81-1 for lift
applications
Mounting
In
Out
Voltage
Continuous current
max.
max.
Making current, acc. to IEC 947-5-1 AC 15/DC 13
Switching frequency
max.
Mech. operational life – number of switching cycles
Ambient temperature
min./max.
a) 2 holes for M4 screws
Approvals
Weight
Delivery: ex-stock/built to order
Further switching functions
SA2
E2
SE2
13
23
b) 2 captive M3 nuts for end mounting
(depending on type)
14
24
13
23
14
24
11
21
12
22
Contact configuration
Switching element
Switch function Switch contact Designation
Voltage
Continuous current
Slow-action
Snap-action
Slow-action
Snap-action
Slow-action
Snap-action
changeover
changeover
1NC/1NO
1NC/1NO
U1Z
SU1Z
A2Z
SA2Z
E2
250 V
250 V
250 V
250 V
250 V
250 V
10 A
10 A
10 A
10 A
10 A
10 A
normally-closed 2NC
normally-closed 2NC
normally-open
normally-open
2NO
2NO
Dimensions
SE2
All dimensions in mm
10