Datasheet

26
Technical data
Actuator with snap-action switching element
Switching system
1 or 2 self-cleaning, snap-action switching elements.
1 or 2 double-throw contacts.
Material
Material of contact
Standard version:
Silver (U > 20
V)
Special versions: (on request)
Gold/Silver 700
Au/300 Ag (U < 50 V)
Silver/Palladium 700
Ag/300 Pd (U > 20 V) for atmospheres
containing sulphur
Switch housing
Thermosetting material, heat-resistant
Indicator housing
Polyamide
Mechanical characteristics
Terminals
Screw terminal (with self-lifting clip):
max. wire cross-section, 2 x 2.5
mm²
max. wire cross-section of stranded cable, 2 x 1.5
mm²
Tightening torque
For fixing sleeve max. 20
Ncm
For screw terminal max. 80
Ncm
Actuating force
6
N 12 N
Actuating travel
5
mm
Mechanical lifetime
Momentary action 2 million operations
Maintained action 1 million operations
Electrical characteristics
Standards
The switches comply with the “Standards for low-voltage
switching devices” EN IEC 60947-5-1
Rated insulation voltage
400
VAC/440 VDC, as per IEC 60947-5-1
Conventional free air thermal current
10
A
The maximum current in continuous operation and at ambient
temperature not exceeding the quoted maximum values.
Switch rating
400 VAC, 10 A, cos
φ 0.95, as per IEC 60947-5-1
250 VAC, 10 A, as per UL
Electric strength
2500 VAC, 50 Hz, 1 min. between all terminals and earth,
as per IEC 60947-5-1
Environmental conditions
Storage temperature
-30 °C +85 °C
Service temperature
-25 °C +55 °C
For indicators and illuminated pushbuttons mounted as a block,
make sure the heat can escape freely.
Protection degree
Front side IP 40, IP 65 with spray cover, as per IEC 60529
Vibration resistance
10 g at 10 2000 Hz, amplitude 1.0 mm, as per IEC 60068-2-6
Approvals
Approbations
CB (IEC 60947-5-1)
CSA
Germanischer Lloyd
UL
Declaration of conformity
CE
03