* Pictures are placed for illustration purpose only. Appearance of real component may differ.
Push-button switch for DC and AC circuits of communications electronics equipment.
Climate version: all-climate
Technical parameters
| Actuation force, not more than, N (kgf) PKn105.1(2)-1.. PKn105.1(2)-4 PKn105.1(2)-5.. PKn105.1(2)-8 |
4.9 (0.5) 6.9 (0.7) |
| Full actuator travel, mm | 1.0..2.0 |
| Contact resistance, not more than, Ohm | 0.05…0.1 |
| Insulation resistance, not less than, MOhm | 1000 |
| Insulation strength, V | 750 |
| Ambient air temperature, oC | -60..+85 |
| Shelf life, years | 10…20 |
Button colors:
Red (“1”, “5” after dash in annotation)
Green (“2”, “6” after dash in annotation)
Yellow (“3”, “7” after dash in annotation)
Blue (“4”, “8” after dash in annotation)
Switching modes| Form factor version | Current type | Load type | Current, A | Voltage, V | Maximum power, W | Number of switching cycles | |
| In normal conditions | At +85 oC | ||||||
| PKn105.1 | DC and AC | Noninductive | 1·10-6..0.1 | 1·10-4..36 | - | 100000 | 50000 |
| 0.1..1.0 | 1·10-4..36 | - | 50000 | 25000 | |||
| 1.0..4.0 | 1·10-4..36 | 70 | 25000 | 15000 | |||
| Inductive | 1·10-6..0.1 | 1·10-4..36 | - | 100000 | 50000 | ||
| 0.1..2.0 | 1·10-4..36 | 70 | 25000 | 150000 | |||
| 1.0..2.0 | 1·10-4..36 | 70 | - | - | |||
| AC | Noninductive | 1·10-6..0.1 | 36..250 | - | 100000 | 50000 | |
| 0.1..1.0 | 36..250 | - | 50000 | 25000 | |||
| 1.0..4.0 | 36..250 | 300 | 10000 | 1500 | |||
| Inductive | 1·10-6..0.1 | 36..250 | - | 100000 | 50000 | ||
| 0.1..2.0 | 36..250 | 300 | 10000 | 1500 | |||
| PKn105.2 | DC and AC | Noninductive | 0.01..1.0 | 3.0..36 | - | 50000 | 25000 |
| 1.0..4.0 | 3.0..36 | 70 | 25000 | 15000 | |||
| Inductive | 0.01..2.0 | 3.0..36 | 70 | 25000 | 15000 | ||
| AC | Noninductive | 0.01..1.0 | 3.0..250 | - | 50000 | 25000 | |
| 1.0..4.0 | 3.0..250 | 300 | 10000 | 1500 | |||
| Inductive | 0.01..2.0 | 3.0..250 | 300 | 10000 | 1500 | ||
Annotation breakdown
PKn105.1-2 B TAFL.642135.005 TU
PKn105 – push-button switch type
1 – form factor version, defining switching modes
2 – form factor version, defining electrical circuit and button color
V – all-climate version
technical requirement version (TAFL.642135.005 TU – general requirements, TAFL.642135.004 TU – special requirements)






