KNM20S44 Datasheet, PDF (1/2 Pages) Purdy Electronics Corporation – 4x4 Monoblock Immersion Proof Keypad

4x4 Monoblock Immersion Proof Keypad
Flush/Raised
KNM20S44, KNM30S44
FEATURES
The Monobloc keypads are designed and manu-
factured to the highest quality standards. The
robust rugged design makes them absolutely
dust and water proof. The full stroke keys give an
excellent tactile feedback. The patented mag-
netic retract mechanism ensures a long service
life of the product.
4 x 4 Monobloc keypads are without electronics
Monobloc keypads are available with embedded
keys (KNM2) or with raised keys (KNM3). The
key tops can be exchanged individually. In addi-
tion, different key marking sets are available.
SPECIFICATIONS
Mechanical
Housing / Membrane
Crastnie / Silicon Rubber
Key Travel
Actual Force
1.35 mm
2.2 N ± 0.4 N
Connections
Soldering Pins
Electrical
Supply Voltage
Max. 42 V=
Test Voltage
2,000 V~=
Nom. Current (Ω load)
Contact Rating
Max. 125 mA~=
Max. 2 W
Environment
Application Class as per DIN 40040 GSF
Temperature Range
-40ºC....+70ºC
Storage Temperature
-40ºC....+70ºC
Protection Class (DIN)
IP 67
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085