Skip to content Skip to navigation

Bosch Security and Safety Systems | North America

Product search
Icon close
Product Variants
Product Families
More Content

LED keypad, independent zone control

Commercial Product No.: D279A | Product No.: 4.998.140.340
[{"images":[{"format":"300Wx300H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/large/ProductPhoto_Web_all_9007201792398219.png","srcsetWidth":300,"isVideo":false}],"thumbnails":[{"format":"96Wx96H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/small/ProductPhoto_Web_all_9007201792398219.png","srcsetWidth":96,"isVideo":false}],"zooms":[{"format":"515Wx515H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/xlarge/ProductPhoto_Web_all_9007201792398219.png","srcsetWidth":515,"isVideo":false}]}]
Close Modal
  • Permits independent arming and disarming of a single control panel zone or point
  • Four-digit, user-programmable passcode
  • Panic function
  • Preprogrammed entry and exit delay times
  • Individual annunciation of delayed and instant loop status
  • Panic and burglary alarm signals to control panel
  • Form C relay activation on alarm
  • Keypad back-lights when number keys or the command bar are pressed
  • Plug-in cable included for simple wiring to the control panel
  • Low-profile, surface mount, off-white enclosure
  • 0in stock
  • Express Shipping is available for products in your cart. (time left:)

Expected delivery:28/11/2017

Technical Specification

Key Specifications

Connections: 1.2 mm (22 AWG) or heavier gauge wire to connect the loops and control panel to the ten flying leads
Resistance: 5 Ω maximum resistance on common (four wires for common can be used, if needed, to reduce resistance) 20 Ω maximum resistance on all other runs between the D279A and the control panel
Relative Humidity: 5% to 85% at +30°C (+86°F) non-condensing
Temperature (Operating): 0°C to +50°C (+32°F to +122°F)
Dimensions: 11.58 cm x 20.7 cm x 2.07 cm (4.56 in. x 8.15 in. x 0.816 in.)
Current: Keypad idle: 45 mA to 55 mA Keypad lit, buzzer on, both loops faulted, and relay activated: 104 mA
Voltage (Operating): Nominal 12 VDC
Auxiliary Relay Rating: Form C contacts, 12 VDC, 2 A maximum
Downloads

Title Type Language
Title
Datasheet
Type
PDF
 Language
en-US 
Title
User manual
Type
PDF
 Language
en-US 
Title
User manual
Type
PDF
 Language
en-US 
forward-right_adjusted