-20 °C to +70 °C (derate at 50 °C), startup at -40 °C
-40 °C to +85 °C
5% to 90% (non-condensing)
5% to 95% (non-condensing)
5000 m (3000 m for medical), derating may apply
Other Specifications
Isolation
Line harmonics
Conducted EMI*
Radiated EMI*
Surge immunity
Medical EMC
MTBF
(Telcordia, Issue 3, Method 1 Case 3)
4000 Vac (input to output)
1500 Vac (input to PE; output to PE)
61000-3-2, Class A
Level B, CISPR 22 and FCC Part 15
Level B, CISPR 22 and FCC Part 15
Level 3, 61000-4-5, Criterion A
60601-1-2, Edition 4 (cover may be required for some tests)
> 2.2 MHrs, 25 °C, 155 W Natural Convection, 115 VAC
> 5.1 MHrs, 25 °C, 250 W Forced Air, 115 VAC
*Applies to Class I input with ground tabs tied to a common ground plane and connected to system ground. Consult Technical Reference Notes for details.
Pin Assignments
Connector
J5 (AC Input)
Pin Number
1
3
Mounting Holes
1
2
3
4
5
6
1
2
1
2
1
2
3
4
5
Designation
AC Input L1/Line
AC Input L2/Neutral
PE
Main Output Return
Main Output Return
Main Output Return
Main Output
Main Output
Main Output
Main Output
Main Output Return
Fan Return
Fan Voltage
5 Vdc Standby
Standby Return
Remote Inhibit
DC OK
VFB (feedback loop pin)
Mating Conectors
Molex 09-50-8031 housing with 45570-3000 crimp or
equivalent. Use AWG 20-18 wires.
Molex 09-50-8061 housing with 45570-3000 crimp or
equivalent. Use AWG 20-18 wires.
J0 (DC Output)
BusBar (DC Output)
Applies to 12 V variant only.
J2 (Fan Supply)
Ring terminal: Tyco 35148 or KST RV3-4 or equivalent.
Cvilux: CI0102S0000 housing; CI01T01MPP0 crimp
Landwin: 2001S0200 housing; 2005T011V crimp
AWG # 30-24
Molex 504193-0500 with 504185-1000 crimp or
equivalent. Use AWG 30-26 wires.
J403
Applies to CPS253-M1 only
CPS250-M Series Data Sheet
Mechanical Drawings - 12 V Variant
CPS250-M Series Data Sheet
Mechanical Drawings - 24 V and 48 V Variants
CPS250-M Series Data Sheet
Mechanical Drawings - CPS253-M1
32.77MAX
2.5MAX
J2-PIN 1
Vo(+)
50.8
(2X)43.8
ASSY-J0
(2X)3.5
Q501
SEE DETAIL A
(2X)3.5
J2
WARNING LABEL
C12
(2X)94.6
101.6
J403
SEE DETAIL B
T501
L2
BARCODE
(4X) 4
MODEL LABEL
J5 -PIN 1
INPUT
J5
J403 - PIN1
PREFERRED EARTH
Q501
DETAIL B
DETAIL A
Notes:
1. OCP can not be adjusted on the fly. Default setting is for 250 W Forced Air.
2. Unit should be turned off before trimpot adjustment.
3. OCP does not vary linearly with the trimpot adjustment. It is either Full
clockwise (250 W) or Full counter clockwise (155 W).
4. Thermal Hot Spot Reference - Do not exceed indicated temperature limits
to ensure operation is within the conponent thermal derating limits. Measure
the component temperatures using K type thermocouples.
5. Recommended Mounting Screw: M3.0 (4X) Pan head screw with teeth
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