704.963.6.. datasheet(79/130 Pages) EAO

79 / 130 page

07.2010

Technical Data

Switching system

The double-break, snap-action switching element is equipped with

one or two independent contact systems, acting as normally open

or normally closed contact. The snap-action switching element is

fitted with self-cleaning contacts.

Up to three switching elements can be snapped to each actuator.

Snap-action switching elements are not permissible for emergency-

stop pushbuttons!

Material

Material of contact

Hardsilver, gold-silver, silver-palladium (for aggressive

atmospheres)

Switch housing

Polycarbonate (PC)

Mechanical characteristics

Terminals

Screw terminals

Plug-in terminals 6.3 x 0.8 mm

max. wire cross-section 2 x 2.5 mm²

max. wire cross-section of stranded cable 2 x 1.5 mm²

For switches with plug-in terminals it is necessary to provide

insulation sleeves and to maintain a spacing of 65 mm between

rows (mounting dimensions)

Tightening torque

Screws at the mounting flange max. 25 Ncm

Screws at switching element max. 50 Ncm

Actuating force

1 Normally closed 1.9 N

1 Normally open 2 N

Actuating travel

5.8 mm

± 0.2 mm

Rebound time

≤3 ms

Mechanical lifetime

(with 1 switching element)

Electrical characteristics

Standards

The switches comply with the "Standards for low-voltage switching

devices" EN IEC 60947-5-1

Rated Insulation Voltage Ui

500 VAC / 600 VDC, as per EN IEC 60947-5-1

Contact resistance

New state

≤50 mΩ as per DIN IEC 60512-2-4

Isolation resistance

≥10 MΩ between open contacts at 500 VDC, as per DIN IEC 60512-

2-10

Electrical life

50 000 cycles of operations

Conventional free air thermal current Ith

10 A, as per EN IEC 60947-5-1

the maximum current in continuous operation and at ambient

temperature must not exceed the quoted maximum values.

Switch rating

At switch rating AC for gold-silver, silver-palladium and hardsilver

contacts, service category AC-15, as per EN IEC 60947-5-1 (cos

0.3)

At switch rating DC for gold-silver and hardsilver contacts, service

category DC-13, as per EN IEC 60947-5-1

Recommended minimum operational data

Gold-silver contacts:

Hardsilver contacts:

Protection class

Indicators and switches, fit for mounting into devices with protection

class II

Environmental conditions

Storage temperature

-40 °C ... +85 °C

Operating temperature

-40 °C ... +55 °C

Protection degree

IP 20

Shock resistance

(single impacts, semi-sinusoidal)

300 m/s²puls width 11 ms, as per EN IEC 60068-2-27

Vibration resistance

(sinusoidal)

100 m/s² at 10 Hz ... 500 Hz, amplitude 0,75 mm, as per EN IEC

60068-2-6

Approvals

Approbations

CB (IEC 60947)

CCC

CSA

Germanischer Lloyd

GOST

NFF 16-102

SEV

Snap-action switching element

Pushbutton maintained action

1.5 million

Cycles of operation

Pushbutton momentary action

3 million

Cycles of operation

Selector switch maintained action 1.25 million Cycles of operation

Selector switch momentary action 2.5 million

Cycles of operation

Keylock switch maintained action 25 000

Cycles of operation

Keylock switch momentary action 50 000

Cycles of operation

Voltage

230 VAC

400 VAC

500 VAC

Current

6 A

4 A

2.5 A

Voltage

24 VDC

60 VDC

110 VDC

Current

10 A

3 A

1 A

Voltage

5 VDC

24 VDC

110 VDC

Current

15 mA

5 mA

2 mA

Voltage

24 VDC

110 VDC

Current

50 mA

10 mA

704.963.6.. Datasheet(PDF) 79 Page - EAO AG.

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