Specifications
9-6
9.2 Options
(1) AC/DC Power supply (NBD-2150)
Source voltage 90 VAC to 264 VAC (50/60 Hz) and
24 VDC (21.6 VDC to 31.2 VDC)
Output voltage AC operation : 24 VDC
DC operation : Outputs the DC-IN directly
Maximum output current 30 A
Source switching function
Automatic switching to DC power when AC power is cut off.
(uninterrupted output)
Automatic switching from DC to AC when AC power is restored.
Notification functions AC power OFF
Temperature range for full
performance
-15°C - +55°C
Operating temperature range -15°C - +55°C
Storage temperature range -25°C - +65°C
Humidity resistance No abnormality after standing 10 hours in +40°C, 93% RH
Vibration resistance (3 axes) 2 Hz - 5 Hz to 13.2 Hz: : Full amplitude ±1 mm±10%
13.2 Hz to 100 Hz: : Maximum acceleration 7
m/s
2
fixed
No abnormality after testing resonance points or at 30 Hz
for more than 2 hours
Continuous operation No abnormality after operating continuously for 8 hours
(2) Battery charger (NBB-714)
Source voltage 90 VAC to 132 VAC or 180 VAC to 264 VAC (50/60 Hz)
Current consumption Charging : 8 A or less (100 VAC input)
4 A or less (220 VAC input)
Discharging : 0.3 A or less (at 24 VDC ope)
Charging current Maximum 10 A
Charging circuit/ characteristic Floating charge
16 VDC or more: Constant voltage or current characteristic
Less than 16 VDC: Reduced current characteristic*
(*) Foldback current limiting characteristic
Functions Overvoltage input protection, Reverse polarity protection,
Dimmer lamp, Alarm mute with remote control
Alarm type Batt low/high voltage, Internal temperature, AC fail,
Other abnormal charging
Temperature range for full performance
-15°C - +55°C
Operating temperature range -15°C - +55°C
Storage temperature range -25°C - +65°C
Humidity resistance No abnormality after standing 10 hours in +40°C, 93% RH
Vibration resistance (3 axes) 2 Hz - 5 Hz to 13.2 Hz: : Full amplitude ±1 mm±10%
13.2 Hz to 100 Hz: : Maximum acceleration 7
m/s
2
fixed
No abnormality after testing resonance points or at 30 Hz
for more than 2 hours
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