EAO SECME Division

TEL  Sealed illuniated and non-illuminated keypads

TEL keypads are sealed from potentially harmful environments with a continuous front membrane. Standard 12-key telephone and 16-key hexidecimal II layouts feature matrix circuits (common point available - contact Beckwith Electronics). LED illuminated models feature individual circuits to light each key on actuation. Reliable performance is assured with more than 1-million operations. These keypads are particularly recommended for frequent operation in factory, outdoor, and heavy use locations. . Dependable sealed keypads for aggressive conditions Hot stamp legends on polycarbonate buttons Matrix circuits standard, common point available Individual key LED illumination Telephone and hexidecimal II layouts Over 1-million operations

TEL Keypad
Description	Non-Illuminated	Illuminated (yellow*)
12-key, telephone layout	TEL 12150 10	TEL 12150 44
16-key,hexidecimal II layout	TEL 16250 10	TEL 16250 44

*Consult Beckwith Electronics for other colors

Specifications
Contacts: Gold/gold	24 V/50 mA nominal 50V max. 10mV/1 mA min. 1 W nominal power
Contact circuit resistance	< 200 M Ohms 50 mV/10 mA
Insulation resistance	>1,000 M Ohms, 100 VDC
Operating force	5.0 N+30%
Travel	0.7 mm +0.3 mm
Operating life	>1-million operations
Vibration resistance	2000/10 Hz, 10 cycles, 10 G
Mechanical shock resistance	100 G (NFC 20708) 40 G/100 (NFC 20724)
E.D.S. protection	5000 V
Operating temperature	-25 to +85°C
Storage temperature	-40 to +85°C
Sealing	IP 67
Damp heat	21 days (NFC 20703)
Saline mist	48 hours (NFC 20711)

12-key keypad

16-key keypad

Key location for electrical wiring