51-040.005. datasheet(36/64 Pages) EAO

36 / 64 page

01.2010

Technical Data

Declaration of conformity

Switching system

Self-cleaning, double-break, snap action switching system

1 normally closed or 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

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

2x ca. 42° deflection momentary action

2x ca. 90° deflection maintained action

Rebound time

≤5ms

Mechanical lifetime

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

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

ENEC (EN 61058)

Germanischer Lloyd

Declaration of conformity

Switching system

This low level switching element was designed for switching low

powers in electronic circuits. The mechanism assures reliable swit-

ching of loads ranging from a few

μA / μV up to 100 mA / 42 VAC/

DC.

Single-break momentary contact, as normally open or normally

closed with 4 independent points of contact. 2 momentary contacts

per switching element; combination of normally open and normally

closed is possible.

Special features are the long life, extremely short rebound time and

stable contact resistance.

Material

Material of contact

Gold plated

Switch housing

Polysulfone, heat-resistant and self-extinguishing

Actuator housing

Polyetherimide, self-extinguishing

Mechanical characteristics

Terminals

The universal terminals permit these units to be mounted on printed

circuit boards (PCB). These terminals can also be used as

soldering or plug-in terminals.

For these terminals we can also supply a plug-in base which, when

soldered on to the board, enables the switch to be plugged in.

Soldering terminal:

Max. wire diameter 2 wires à 0.8 mm

Max. wire cross-section of stranded cable 1x 0.75 mm²

Plug-in terminal 2.0 x 0.5 mm

Actuating torque

2.5 Ncm ... 5.5 Ncm, measured at the key or lever of the keylock- or

selector switch

Actuator with snap-action switching element block

(Keylock- and Selector switch 3 positions)

Keylock switch

50 000 cycles of operation

Selector switch

100 000 cycles of operation

Actuator with low level switching element

51-040.005. Datasheet(PDF) 36 Page - EAO AG.

51-040.005. Datasheet(HTML) 36 Page - EAO AG.

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