Datasheet

521
01
02
03
04
10
14
17
18
19
22
31
41
44
51
56
57
61
70
71
82
84
92
95
96
97
99
ST
Technical data
Actuator with snap-action switching element block (Keylock- and Selector switch 3 positions)
Switching system
Self-cleaning, double-break snap action switching system
1normally closed and 1 normally open contact per element.
Material
Material of contact
Gold plated hardsilver
Switch housing
Diallylphthalate (DAP), heat-resistant and self-extinguishing
Actuator housing
Polyetherimide, self-extinguishing
Mechanical characteristics
Terminals
Soldering terminal which can also be used as plug-in terminal
2.8 x 0.5 mm:
Max. wire diameter 2 wires of 1 mm
Max. wire cross-section of stranded cable 2 x 0.75 mm²
Tightening torque
for fixing nut max. 50 Ncm
Actuating torque
2.5 Ncm … 5.5 Ncm, depending on the number of switching
elements. Measured at the key or lever of the keylock- or selector
switch.
Actuating travel
Keylock-/selector switch actuator with 3 positions
2 x ca. 42° deflection momentary action
2 x ca. 90° deflection maintained action
Rebound time
≤ 5 ms
Mechanical lifetime
Keylock switch 50 000 cycles of operation
Selector switch 100 000 cycles of operation
Electrical characteristics
Electrostatic discharge (ESD)
≤ 15 KV (Keylock switch)
Conventional free air thermal current
5 A
The maximum current in continuous operation and at ambient
temperature not exceeding the quoted maximum values.
Switch rating
250 VAC, 5 A (cos
φ 0.75)
Electric strength
2500 VAC, 50 Hz, 1 min. between all terminals and earth,
as per IEC 60512-2-11
Protection class
II
Environmental conditions
Storage temperature
-40 °C … +85 °C
Service temperature
-25 °C … +55 °C
for selector switches mounted as a block, make sure the heat can
escape freely
Protection degree
Front side, as per IEC 60529
IP 65 keylock switch
IP 40 selector switch
Approvals
Approbations
CB (IEC 61058)
CSA
CQC
ENEC (EN 61058)
Germanischer Lloyd
UL
Declaration of conformity
CE
51