Embedded Power for
Business-Critical Continuity
NPT40 Series
45 Watts
Total Power:
Input Voltage:
# of Outputs:
45 - 55 Watts
90 - 264 Vac
120 - 300 Vdc
Triple
Rev. 10.19.11_160
NPT40-M Series
1 of 3
Special Features
• Medical and ITE Safety Approvals
• Universal input
• Less than 1U high
• 2” x 4” footprint
• Overload and short circuit
protection
• High MTBF
• Built in EMI filter
(CISPR 22 Class B)
• 0˚C to +80˚C operation
• Input power < 74 watts
• Complies with EN61000 -3-2
• Class I approved
• Class II approved (with Class A
EMI)
• LPX50 enclosure kit available
• Dual AC fuses
Electrical Specifications
Input
Input ra nge:
Frequency:
Inrush current:
Input power:
Efficiency:
EMI/RFI:
Safety ground leakage
current:
90 - 264 Vac (wide range) 127 - 300 Vdc
47-440 Hz
< 50 A peak @ 230 Vac, cold start @ 25 °C
< 74 Watts
75% average
FCC Class B conducted; CISPR 22 Class B conducted; EN55022 Class B
conducted, VDE0878PT3 Class B conducted
275uA @ 50/60 Hz; 264 VAC input
Output
Maximum Power:
Hold-up time:
Overload protection:
45 W for convection
55 W with 30CFM forced air
10/20 ms 115/230 Vac input line
Short circuit protection on all outputs. Case overload protected @
110% to 145% above peak rating
Overvoltage protection: 5.7 to 6.7 Vdc on the main output
Safety
60950, 60601-1,
3rd edition
• UL:
60950, 60601-1
• CSA:
60950, 60601-1
• CB:
Certificate and report
3rd edition
• CE:
Mark (LVD)
• CQC:
Mark
• TUV:
Embedded Power for
Business-Critical Continuity
Environmental Specifications
Operating temperature:
0° to 50 °C ambient derate each output at 2.5% per degree from 50 °C to 80 °C. -20 °C start up
Storage temperature:
-45 °C to +85 °C
Electromagnetic susceptibility: Designed to meet EN61000-4; -2, -3, -4, -5, -6, -8, -11 Level 3
Humidity:
Vibration:
MTBF demonstrated:
Operating; non-condensing 10% to 90% RH
IEC68-2-6 to the levels of IEC721-3-2
> 550,000 hours at full load and 25 °C ambient conditions
Rev. 10.19.11_160
NPT40-M Series
2 of 3
Mechanical Drawing
BARCODE
SERIAL LABEL
4.00"
(101.6)
0.96"
(24.4)
.063"
(1.6)
1.10"
(28)
3.73"
(94.6)
GRD TAB
(CN1)
2.00"
(50.8)
6
MODEL: NPT42-M
MADE IN PHILIPPINES
PIN 1
SK1
PIN 2
RoHS
SK2
1
RoHS LABEL
MODEL LABEL
4.0 MOUNTING HOLE
4 PLACES
0.197” (5.0) MINIMUM STANDOFF HEIGHT
1.10"
(28)
1.72"
(43.8)
Embedded Power for
Business-Critical Continuity
Ordering Information
Model
Number
NPT42-M
Maximum Load Maximum Load
Output Minimum
with Convection
with 30CFM
Voltage
Load
cooling
Forced Air
+5V
+12V
-12V
0.5 A
0.1 A
0 A
5 A
2.5 A
0.5 A
8 A
3 A
0.7 A
Peak
Ripple P/P
Regulation
2
1
Load
(PARD)
3
9 A
4 A
0.7 A
± 2%
± 5%
± 5%
50 mV
120 mV
120 mV
Americas
Rev. 10.19.11_160
NPT40-M Series
3 of 3
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Europe (UK)
1. Peak current lasting < 30 seconds with a maximum 10% duty cycle.
2 . At 25 °C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.
3 . Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load
ranges.
4. Minimum Loads are required.
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
Pin Assignments
Connector
SK1-1
SK1-3
SK2-1
SK2-2
SK2-3
SK2-4
SK2-5
SK2-6
NPT42-M
Line
Neutral
+5 V
+5 V
Common
Common
-12V
+12V
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
For global contact, visit:
www.Emerson.com/EmbeddedPower
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Mating Connectors
AC Input:
Molex 09-50-8031 (USA)
09-93-0300 (UK)
PINS: 08-52-0113
DC Outputs: Molex 09-50-8061 (USA)
09-93-0600 (UK)
PINS: 08-52-0113
Emerson Network Power Connector Kit #70-841-006, includes all of the above
1. Specifications subject to change without notice.
2
. All dimensions in inches (mm), tolerance is ± 0.02” (± 0.5 mm)
3. Mounting holes M1 and M2 should be grounded for EMI purposes.
4. Mounting hole M1 is safety ground connection.
5. Specifications are for convection rating at factory settings at 115 VAC input, 25 °C unless otherwise
stated.
6. Warranty: 2 years
7. Weight: 0.3 lbs/.14 kg
Emerson Network Power.
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business-critical continuity.
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