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DD666 19" Modular Power System |
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Modular switched mode rectifier system |
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The DD666 has class 2 double insulation, providing safe operation even where mains earth cannot be guaranteed. Dual mains inputs to the subrack, along with ORing diodes in the DC feeds, the system has true A+B redundancy. |
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- Double insulated Class 2 isolation
- Safe operation without earth connection
- Low earth leakage current
- PFC input - Sinusoidal current
- Battery Temperature Compensation
- Hot Swap module replacement
- Independent mains feed to each PSU
- Battery Low Voltage disconnect
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Main DC Output:
Input Voltage:
Input Frequency:
Input Current:
THD:
Line regulation:
Load regulation:
Output ripple:
Efficiency:
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48V 12A (24A per system)
230VAC (185 to 264VAC )
47-63 Hz
4 Amp maximum, Sinusoidal
<5%
<±0.1%
<±0.5%
<2mV Psophometric
>90% at full load
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Dimensions:
Mounting:
Weight:
Level of Protection:
Connector:
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3U x 19" x 185mm (HxWxD)
19" rack
3.0kg (PSU), <8kg (Subrack fitted with monitor and 2 off PSUs)
IP20
AC Input: Dual 2 metre lead - IEC plug
Output and Battery: Spade Terminals
Alarms: IDC Header
DIN41612-H15 on PSU
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Cooling:
Temperature:
Relative humidity:
Altitude:
Safety:
EMC:
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Natural Convection
-15 to +60°C operational
-25 to +60°C transport/storage
0 to 90% RH non-condensing
to 1500 metres
EN60950 Class 2
EN50081-1 & EN50082-2
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Input:
DC fault
Mains under or over voltage:
Over temperature:
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Internal fuse
Class 2 Isolation
PSU's protected by O-ring backing off diodes on subrack
Shutdown with auto-reset
Shutdown with auto-reset
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Mains Present:
LCD Digital Meter:
PSU1 Fault:
PSU2 Fault:
Battery Fault:
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Green LED indicator on PSUs
Load, Battery and individual PSU voltage and current
Red LED indicator and volt free contact, alarms on incorrect voltage / failure
Red LED indicator and volt free contact, alarms on incorrect voltage / failure
Red LED indicator and volt free contact, alarms on incorrect voltage
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Battery temperature sensing
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Maximise battery life with temperature compensation (external sensor)
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