TH-Contact
TH-Contact
 

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Technical information

Actuator

TP4

TP5

TP2

Switching mechanism

Heart-shaped switching labyrinth

Heart-shaped switching labyrinth with bi-functional mechanism (momentary or latching function)

Heart-shaped switching labyrinth with bi-functional mechanism (momentary or latching function)

Actuating force

Approx. 2.5N (with one contact block)

Fixation

Central with metal fixation nut

Protective system

IP40, IP65

IP40, IP65, IP67

Bezel material

Thermoplast or anodized aluminum alloy

Lens material

Thermoplast (polycarbonate in different colors) engravable

Illumination

T5.5 telephone lamps
max. 60 V/1.2 W (incandescent
lamps, LEDs,
Multi-LEDs)

T 13/4 midget grooved lamps
max. 60 V/1.2 W (incandescent lamps, LEDs, Multi-LEDs)

Lamp contact «a» =
cathode (–)

Lamp contact «b» =
cathode (–)

Please respect the safety regulations when using the indicator light

Ambient temperature

–30° to +80° C
Heat congestion should be avoided

–30° to +55° C

Life expectancy mechanical

1’000’000 operating cycles

Contact block 5 A

The contact block is factory fitted onto the switch Additional elements can be added by the user

Slide-on assembly
by the user

Contact block casing

Duroplast, self-extinguishing (UL 94 V0)

Terminal material

Silver contact: silver alloy 2μm silver plated
Gold contact: silver alloy 2μm silver plated and 0.4μm gold plated

Contact resistance

Gold plated contact <30 mOhm, silver plated contact <50 mOhm

Number of contacts

1NO + 1NC per contact block
Max. 3 contact blocks per switch

By choice 1NO or 1NC or 1NO + 1NC or 2NO + 2NC per contact block. Max. 2 double contact blocks per switch

Terminals

Patented, bendable solder terminals for braid wire 2 x 1 mm2 or strands 4 x 0.75 mm2

Solder terminals for braid wire 1 x 1 mm2 or strands 2 x 0.75 mm2. Faston terminals for faston plugs 2.8  0.5 mm

DC load
(resistive load)

5 A/12 V           4 A/24 V           3 A/36 V           2 A/48 V           1.5 A/60 V
                         0.5 A/125 V       0.3 A/250 V

DC load
(inductive load L/R = 15 ms)

3 A/12 V           2 A/24 V           1.7 A/36 V        1.5 A/48 V         1.2 A/60 V
                         0.3 A/125 V       0.2 A/250 V

Switching capacity

5 A, 250 V AC (cos φ 0.7)
max. admissible circuit breaker: type C 6 A

Life expectancy electrical

70’000 operating cycles 5 A, 250 VAC (cos φ 0.7)

Vibration

Amplitude 1.5 mm pp at 55 Hz

Contact block 6 A
Contact block 16 A

technical information on page 00


Tightening torques

Hexagonal metal nut

M12 x 0.75

max. 100 Ncm

Metal fixation nut

M16 x 1

max. 150 Ncm

Metal fixation nut

M22 x 1

max. 300 Ncm

Contact block screws for

th4, th5

max. 13 Ncm

Pin screws

M2.5 for anti-rotation plates on th25 switch with plastic ring Ø 25 IP65

max. 30 Ncm

Pin screws

M3 for anti-rotation plates on th4, th25
key switches and rotary switches

max. 20 Ncm