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Electrical Characteristics; Functional Characteristics - ABB twa-1 User Manual

System pro m electronic astronomical clock + programming key
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Electrical characteristics

Supply voltage:
Frequency:
Power consumption:
Output TWA-1:
Output TWA-2:
Maximum load:
Minimum current:
Galvanic insulation between power supply and output: < 4 kV

Functional characteristics

Programming capacity: 56 steps to be distributed on the 2 channels.
Minimum time between 2 steps: 1 minute
Running accuracy: ± 1,5 Sec / 24 h
Astronomical time accuracy: ±10 minutes
Operating reserve: lithium battery provides 5 years of backup.
The product is set in standby mode (display is off) if power goes off.
It is set back in auto mode when power is back on. With power off, the screen
display is turned on when striking any key. After one minute, it is turned off.
Protection degree: IP 20
The products need to be protected according to the standards NFC 15 100
and/or IEC60 364-1
Operating temperature: -10 °C to +55 °C
Storage temperature: -20 °C to +60 °C
Lighting
loads
230 V
2300 W
230 V AC ± 15%
50/60 Hz
max. 6 VA to 50 Hz
1 changeover volt free contact.
2 changeover volt free contacts.
AC1
Cos φ = 0,6
AC1
2300 W
500 W
µ16A 250 V~
µ10A 250 V~
100 mA 250 V~
compensated //
(max. 45 µF)
400 W
2
non compensated,
compensated
in series
1000 W

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