Supply |
|
AC Input voltage
|
nominal 110 to 240 Vac (±10%), with frequency range 48 to 62 Hz.
|
|
Power Factor Correction (AC input)
|
0.98 typ.@230Vac, 0.995 typ.@115Vac full load (for each PSM1250 module).
|
|
Efficiency @24Vdc out (full load)
|
better than 89 % @ 230 Vac and 86% @ 115 Vac (for each PSM1250 module).
|
|
Max. internal power dissipation @24Vdc out (full load)
|
150 W @ 230 Vac;
195 W @ 115 Vac (for each PSM1250 module).
|
|
AC input current (sinusoidal at full load) @24Vdc out
|
14.2A @100Vac input voltage,
12.2 A @115 Vac input voltage, 6.1 A @230 Vac input voltage (for each PSM1250 module).
|
|
Inrush current
|
37 A peak @ 264 Vac; 32 A peak @ 230 Vac; 16 A peak @ 115 Vac (for each PSM1250 module).
|
|
AC input connection
|
screw terminal blocks suitable for 4mm2 wires on back panel pcb.
|
Isolation |
|
Input to Output isolation
|
2500 Vrms (routine test).
|
|
Input to Earth-Ground isolation
|
1500 Vrms (routine test).
|
|
Earth-Ground to Output isolation
|
500 Vrms (routine test).
|
|
Output or Earth-Ground to Fault contact isolation
|
500 Vrms (routine test)
|
Output |
|
Voltage
|
48 Vdc (adjustable from 42 to 56 Vdc).
Each PSM1250 output is 24 Vdc (adjustable from 21 to 28 Vdc).
|
|
Regulation
|
0.2 % for a 100 % load change
|
|
Stability
|
0.01 % for a 20 % line voltage change.
|
|
Ripple
|
≤ 250 mVpp.
|
|
Output current
|
25 A nominal (@48Vdc out).
|
|
Output power
|
max 1200W (@48Vdc out) and up to 1300 W nominal (@56Vdc out).
|
|
Output Rise Time
|
2.5 s
|
|
Dynamic Response
|
1 ms for 0-100% load change (overshoot ±0.5% of Vout setting).
|
|
Connection
|
screw terminals on copper bars suitable for 50A available on wall mounting panel
|
|
Hold-up time at full load
|
40 ms (AC input).
|
|
Over voltage protection
|
each PSM1250 output is limited to 30 Vdc plus two redundant crowbars for over voltage protection at 30 Vdc. Therefore, PSS1250-2-48 output is
upper limited to 60 Vdc maximum value.
|
Power good signaling |
|
Output good
|
19.5 V ≤ Vout ≤ 29.5 V.
|
|
Indication
|
via LCD screen on PSO1250 and Modbus RTU RS-485 protocol.
|
|
Signaling
|
voltage free SPST normally energized relay (contact closed),
de-energize in over/under voltage conditions (contact open) (for each PSM1250 module).
|
|
Contact rating
|
2 A 50 Vac 100 VA, 2 A 24 Vdc 48 W (resistive load).
|
|
Connection
|
screw terminal blocks suitable for 1.5 mm2 wires on back panel pcb.
|
Environmental conditions |
|
Operating temperature limits
|
-40 to +70°C de-rated linearly 65-70% load above 50°C.
|
|
Relative humidity limits
|
95 %, up to 55 °C.
|
|
Transport, storage temperature limits
|
- 45 to + 85 °C.
|
|
Max altitude
|
2000 m a.s.l.
|
Mechanical |
|
Mounting
|
7” or 9” or 19” Rack unit, 4 units high.
7” or 9” Rack unit for wall mounting, into a cabinet.
19” Rack unit for wall mounting or for frontal rack mounting, into a cabinet.
|
|
Weight
|
7” fully equipped about 7 Kg, fully equipped with 2 PSM1250.
9” fully equipped about 10 Kg, fully equipped with 2 PSM1250 and 1 PSO1250 module.
19” fully equipped about 24 Kg, fully equipped with 6 PSM1250 and 1 PSO1250 module.
|
|
Location
|
installation in Safe Area/Non Hazardous Locations or Zone 2, Group IIC T4 or
Class I, Division 2, Group A,B,C,D, T4.
|
|
Protection class
|
IP 20, Open Type.
|
|
Dimensions
|
Width 482 mm, Depth 360 mm, Height 237.30 mm (PSS1250-HS-7-1/2/3/4-D & PSS1250-7-1/2/3/4-D)
.
Width 442.20 mm, Depth 368.88 mm, Height 242 mm (PSS1250-HS-7-6/7/8/9-D & PSS1250-7-6/7/8/9-D)
.
Width 238 mm, Depth 360 mm, Height 237.30 mm (PSS1250-HS-3-D & PSS1250-3-D).
Width 178 mm, Depth 360 mm, Height 237.30 mm (PSS1250-HS-2 & PSS1250-2).
|
