Purdy KNM20S14 User Manual

1x4 Monoblock Immersion Proof Keypad

Flush/Raised

KNM20S14, KNM30S14

FEATURES

The Monobloc keypads are designed and manu­factured 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 mag­netic retract mechanism ensures a long service
life of the product.

1 x 4 Monobloc keypads are delivered without
connection print.

Monobloc keypads are available with embedded
keys (KNM2) or with raised keys (KNM3). The
key tops can be exchanged individually. In addi­tion, different key marking sets are available.

SPECIFICATIONS

Mechanical

Housing / Membrane Crastnie / Silicon Rubber

Key Travel 1.35 mm

Actual Force 2.2 N ± 0.4 N

Connections Soldering Pins

Electrical

Supply Voltage Max. 42 V=

Test Voltage 2,000 V~=

Nom. Current (Ω load) Max. 125 mA~=

Contact Rating 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

1 Tel: [phone] • Fax: [phone] • [e-mail] • www.purdyelectronics.com

4/3/05

1x4 Monoblock Immersion Proof Keypad

Flush/Raised

Dimensions

Keys Keypad 1x4 HxWxD (mm)

Embedded 89.5 x 32.4 x 18.5

Without Connection Print

Raised 91.6 x 34.4 x 23.8

Part Number Key Type Configuration Connection Mode

Keypad Without Connection Print

KNM20S14 Embedded

KNM30S14 Raised

1 x 4 Standard, without PCB (incl.
fixing - and keytop marking set)

Soldering pins

Product specifications contained herein may be changed without prior notice.

It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product.

2 Tel: [phone] • Fax: [phone] • [e-mail] • www.purdyelectronics.com

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

4/3/05