Datasheet

Technical data
Rotary selector switching element
Mechanical characteristics
Terminals
Screw terminals
Terminal lead material copper wires only
Max. permissible wire gage:
Single-core or stranded wire 2 x 1.5
mm² (2 x AWG 14)
Flexible wire 2 x 1.5
mm² (2 x AWG 16)
Tightening torque
For xing nut max. 0.25
Nm
Number of stages
1 to 8 positions max.
Number of contacts
1 to 16 max. normally open contacts
(contact positioning according circuit drawing)
Switching angle
Basic position of switching position “A” is 9 o’clock
Maintained action Switching angle
12 max. 30°
8 max. 45°
6 max. 60°
4 max. 90°
Momentary action with release 24°
(provide at the beginning or at the end)
Standard type of Kraus & Naimer
CG4 Hard Silver contacts with 1 μm Gold layer
CG4-1 Hard Silver contacts with 35 μm Gold layer
Actuator
Material
Front ring
Polyamide, Aluminium or Stainless steel
Mounting flange
Plastic, metal
Actuator housing
Plastic
Mechanical characteristics
Actuating force
Mounting style square ush 6.2
N
Other mounting styles 8
N
Actuating travel
Approx. 5.8
mm ± 0.2 mm
Mechanical lifetime
(with 1 switching element)
Pushbutton
≤ 3 million cycles of operation
Selector switch
≤ 2.5 million cycles of operation
Stop switch
≤ 50 000 cycles of operation
Fool proofed E-stop
≥ 50 000 cycles of operation
Keylock switch
≤ 50 000 cycles of operation
Key insert switches
≤ 250 000 cycles of operation
Keylock switch
The standard lock number is 251, the last digit of the device Part
No. = 0 (example: 704.335.0).
Additional lock numbers are available:
252 last digit = 1; 253 last digit = 2; 254 last digit = 3
255 last digit = 4, 256 last digit = 5; 257 last digit = 6
258 last digit = 7; 259 last digit = 8; 260 last digit = 9
Electrical characteristics
Standards
The switches comply with the “Rules for low-voltage switching
devices” EN IEC 60947-5-1
Ambient conditions
Storage temperature
40 °C + 85 °C
Operating temperature
40 °C + 55 °C
(other temperatures on request)
Protection degree
As per EN IEC 60529
IP65 front side (IP65 and IP67 Key insert switch)
eao.com § 07/2019
254
04
01
02
03
04
09
14
17
18
19
22
31
41
45
51
56
57
61
70
71
82
84
92
96