
RA Series, RD Series Rackmount Installation Manual
10
11
Specifications
Section 3 – Specifications
3 .1 Electrical Specifications
RD Series DC Power Supplies -
Single Voltage
Specifications
RD75 Series
RD150 Series
RD250 Series
AC Input
Voltage
120/230VAC
±15% at 50-60Hz
120/230VAC
±15% at 50-60Hz
120/230VAC
±15% at 50-60Hz
Power
100 Watts
200 Watts
300 Watts
Standby
Current
100mA
100mA
100mA
Rated Current for UL603 Proprietary
Alarm Installations
Current
1 .25A maximum from
all circuits in system
2 .5A maximum from all
circuits in system
2 .5A maximum from all
circuits in system
DC Output at 12V Setting
Voltage
12 .5V ±0 .5V nominal
12 .5V ±0 .5V nominal
12 .5V ±0 .5V nominal
Max Current
6A
12A
20A
Ripple
120mV
120mV
120mV
Regulation
±2%
±2%
±2%
Efficiency
85% (120VAC
60Hz In, Full Load, No
Batt)
88% (120VAC
60Hz In, Full Load, No
Batt)
89% (120VAC
60Hz In, Full Load, No
Batt)
DC Output at 24V Setting
Voltage
25 .0V ±0 .5V nominal
25 .0V ±0 .5V nominal
25 .0V ±0 .5V nominal
Max Current
3A
6A
10A
Ripple
120mV
120mV
120mV
Regulation
±2%
±2%
±2%
Efficiency
85% (120VAC
60Hz In, Full Load, No
Batt)
88% (120VAC
60Hz In, Full Load, No
Batt)
89% (120VAC
60Hz In, Full Load, No
Batt)
Battery
Size & Type
4-40AH Lead Acid
or Gel Cell
4-80AH Lead Acid
or Gel Cell
4-80AH Lead Acid
or Gel Cell
Charge Current
1A (±10%) Maximum
(Adjustable via
PowerCom Software)
2A (±10%) Maximum
(Adjustable via
PowerCom Software)
2A (±10%) Maximum
(Adjustable via
PowerCom Software)
Fuse Ratings
DC1 (Internal)
ATM 7 .5A
ATM 15A
ATM 30A
DC2 (Internal)
ATM 7 .5A
ATM 15A
ATM 30A
Battery (Internal)
ATM 7 .5A
ATM 15A
ATM 30A
Distributed Zones
(Fused Models)
ATM 3A
ATM 3A
ATM 3A
BTU Output
BTU
33
66
109
Fault Setpoints
Low AC
95V (±6%)
95V (±6%)
95V (±6%)
Earth GND
2000 Ohms
2000 Ohms
2000 Ohms
Output Voltage
±10% of nominal
±10% of Nominal
±10% of Nominal
Batt Voltage
±10% of nominal
±10% of Nominal
±10% of Nominal
Batt Presence
6–15V (12V Setting),
11–29V (24V Setting)
6–15V (12V Setting),
11–29V (24V Setting)
6–15V (12V Setting),
11–29V (24V Setting)
Fault Relay Contacts
AC FLT
1A at 24VDC
1A at 24VDC
1A at 24VDC
SYS FLT
1A at 24VDC
1A at 24VDC
1A at 24VDC
Distributed Outputs
Count
2, 8, or 16
2, 8, or 16
2, 8, or 16
Fused
3A (7 .5A max with fuse
change)
3A (7 .5A max with fuse
change)
3A (7 .5A max with fuse
change)
Models ending in "P"
2 .5A (PTC)
2 .5A (PTC)
2 .5A (PTC)