Beckwith Electronics

Hamburg, Illinois 62045
(618) 232-1139

(618) 232-1172 fax

Contact Us

EAO SECME Division

Discontinued for reference only

PRSF  Sealed keypads

Suitable for entry devices, machine control, central alarm panels, and other commercial, industrial, and military applications. PRSF keypads are sealed for operation in aggressive atmospheres. Telephone-type 12-key and 16- key hexidecimal II layouts are available. Permanent black legends in each grey polycarbonate key and heavy duty construction assure long keypad life.

  1. Keypads are sealed to IP 67 for industrial use
  2. Matrix circuit (common point available)
  3. Metalic dome contacts for 1 watt power rating
  4. Resist dry and damp heat conditions
  5. Telephone and hexidecimal II layouts
  6. more than 1-million operations

PRSF Keypads
DescriptionPart Number
12-key, telephone layout, matrix circuit
PRSF 12150 09
16- key, hexidecimal II layout, matrix circuit
PRSF 16250 09

24 V/50 mA nominal
50 V max.
5 V/1 mA min
1 W nominal power
Contact circuit resistance <10 Ohms
Insulation resistance>1,000 M Ohms, 100 VDC
Operating force3.6 N +30%
Travel0.55 mm +0.1 mm
Operating life> 1-million operations
E.D.S. protection5000 V
Operating temperature-25 to +85°C
Storage temperature-40 to +85°C
Front Seal (when mounted)IP 67
Damp heat21 days (CEI 512-6)
Dry heat @ 85°C10 days

12-key telephone-style PRSF keypad

Button location
for electrical wiring.
Top view.

16-key hexidecimal II PRSF keypad

Button location
for electrical wiring.
Top view.