Page 2 - MPD MPU-400Sx Datasheet
P. 2

Model Selection Guide
Output Voltage (VDC) Output Max.
Model Current With Output Ripple Effi ciency
Number PreSet Range 25 CFM Power & Noise (%) Models with other output voltage levels
(% p-p)
(Max A) (W)
are available (i.e. 15 VDC, 36 VDC, etc)
MPU-400S-12YYZ 12 VDC 11.0 - 13.0 33.33 400 ±1% 75% Contact the factory for details at:
MPU-400S-24YYZ 24 VDC 22.0 - 25.0 16.67 400 ±1% 75%
MPU-400S-48YYZ 48 VDC 41.0 - 50.0 8.33 400 ±1% 75%
Model Number
1. Units are available with the leakage current specifi ed at 500 µA max. Contact the factory
for more information.
2. Output regulation includes line & load.
3. Ripple & noise is measured from 10 Hz to 20 MHz. Connection to the unit is made with
a 0.1 µF ceramic capacitor & a 22 µF electrolytic capacitor connected in parallel.
4. A 1% minimum load is required to maintain regulation & ripple specifi cations.
5. Transient recovery is measured to within a 1% error band for a load step change of 50%
to 100%.
6. Isolation specifi cations are production HI-Pot tested for 3 seconds.
7. The full output range (see table) is covered in the safety agency certifi cation. Standard
models are factory set to the Preset voltage, but may be set to other levels within the
range without affecting the agency certifi cation. For more information, contact the factory.
8. Output power is given for the factory preset voltage. The maximum continuous output
power level is 400W with 26.85 CFM airfl ow. All models provide a peak power level of
700W for a maximum duration of 500 µS. For more information, contact the factory.
9. Each unit includes an input fuse (250V/8A). Since this fuse is not fi eld replaceable, it is
recommended that an external fuse of the same size be used on the input of the power
supply for protection.
10. The Fan Drive output (at connector CN4) provides 12V/300 mA to drive an external fan.

Input Connector (CN1): Input Connector (CN1): Logic Signal Connector (CN3):
• Terminal Block: • JST Mating Part No: • Mating Part No:
Howder HD-121-7P: M3.5 Screws JST VHR5N or equivalent JST XHP-4 or equivalent
7 terminals, 9.5 mm Centers (7 pins, 2 pins removed) (CHYAO SHIUNN JS-1001-04)
Mating Pin No:
JST SXH-002T-PO.6 for AWG 30 to 26
Pin Function Pin Function
1+VOUT 1 AC-Line Pin Function
2 Missing 1 Remote On/Off
3 AC-Neutral 2 Fan Fail
4 Missing 3 Common
4-VOUT 5 Field Ground 4 Power Good
5 Field Ground
6 AC Neutral Interface Signals
Output Connector (CN2):
7 AC Line Power Supply Bi-color LED Is green for “power on”;
• JST Mating Part No:
JST VHR10N or equivalent On orange when protection enabled
(two pins removed)
An open collector output rated for
Fan Fail 15V/5 mA sink current maximum.
Pin Function Goes high if a fan failure is detected
Goes TTL high 100 to 500 mS after
Power Good regulation. Goes low at least 1 mS
Signal before the loss of regulation. Will sink
100 mA.
6-VOUT A TTL low signal inhibits the output.
Remote On/Off
7-VOUT Hiccup mode.
10 -VOUT Fan Driver Connector (CN4):
• Mating Part No:
JST XHP-2 or equivalent
Pin Function
1 Plus
2 Minus
MicroPower Direct • 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail:
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