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Bosch Security and Safety Systems North America

LED keypad, independent zone control

Commercial Product No.: D279A | Product No.: 4.998.140.340
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Expected delivery:28/11/2017

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

Keypad desk stand

Commercial Type No. D55
Product No. 4.998.125.889

Portable desk stand in smoke colored Plexiglas.

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