Wiring Considerations - Bosch D621 Series Specifications

2 | D621 Series LED Keypads
Region Certification
USA UL D621 and D621W: AMCX: Central Sta-
tion Alarm Units (UL1610, UL1635),
AMTB: Control Panels, SIA False Alarm
Reduction, AOTX: Local Alarm Units
(UL464, UL609), APAW: Police Station
Alarm Units (UL365, UL464), APOU:
Proprietary Alarm Units (UL1076),
NBSX: Household Burglar Alarm System
Units (UL1023), UTOU: Control Units
and Accessories - Household System
Type (UL985)
UL D621B: AMCX: Central Station Alarm
Units (UL1610, UL1635), AOTX: Local
Alarm Units (UL464, UL609), APAW:
Police Station Alarm Units (UL365,
UL464), APOU: Proprietary Alarm Units
(UL1076), NBSX: Household Burglar
Alarm System Units (UL1023), UTOU:
Control Units and Accessories - House-
hold System Type (UL985)
CSFM 7167-1615: 0183 CONTROL UNIT
(HOUSEHOLD) [D621, D621W]
Installation/configuration notes
Compatibility Information
Control Panels D6412 and D4412
Mounting Considerations
• Do not mount any of the D621 Series Keypad models
in a location exposed to direct sunlight. Direct
sunlight can interfere with visibility and damage
internal components.
• Do not mount any of the D621 Series Keypad models
in locations with temperatures that drop below or
exceed the operating temperature range.
Power Supplies
A compatible control panel supplies the power and
data requirements to a D621 Series Keypad model
through a four-wire connection.

Wiring Considerations

Recommended wiring length is 305 m (1000 ft) with
0.8 mm (22 AWG), or 610 m (2000 ft) with 1.2 mm (18
AWG). Each D621 Series Keypad model includes a
wiring assembly of four color-coded flying leads and
one female four-pin connector.
Technical specifications
Environmental Considerations
Relative Humidity: 5% to 85% at +30°C (+86°F), non-
condensing
Temperature (Operating): 0°C to +50°C (+32°F to +122°F)
Keypad
Dimensions for D621 and 11.7 cm x 21 cm x 2 cm
D621W: (4.6 in. x 8.2 in. x 0.8 in.)
Dimensions for D621B: 12.6 cm x 20 cm x 3.2 cm
(5 in. x 8 in. x 1.3 in.)
Weight for All Models: 439 g (15.5 oz)
Material for All Models: CHI MEI POLYLAC
Stabilizer UL94-HB Fire Rated
Connections: 4-wire flying lead for data and power
Indicators: Illuminated keys
Warning and indicating tones
LEDs for Status, Cmd, All, and Part
Power Requirements
Voltage (Operating): 12 VDC nominal, supplied from control
panel auxiliary power supply
Current: Maximum 115 mA
Normal 35 mA
Standby 35 mA
Trademarks
POLYLAC is a registered trademark of CHI MEI Industrial Corporation,
®
LTD.
Plexiglas is a registered trademark of Arkema.
®
Ordering information
D621 LED Keypad
Off-white classic case.
Order number
D621
D621W LED Keypad
White classic case.
Order number
D621W
D621B LED Keypad
White and gray modern case.
Order number
D621B
Accessories
D54B Brass Flush‑mount Kit
Back box and polished brass faceplate.
Order number
D54B
D54C Stainless Steel Flush‑mount Kit
Back box and stainless steel faceplate.
Order number
D54C
D55 Keypad Desk Stand
Portable desk stand in smoke colored Plexiglas.
Order number
D55
D56 Surface Mount Conduit Box
White surface mount box.
Order number
D56
D56R Red Surface Mount Conduit Box
Red surface mount box.
Order number
D56R
PA-757 ABS with UV
®