Embedded Power for
Business-Critical Continuity
NTS500 Series
500 Watts
Total Power:
Input Voltage:
# of Outputs:
200 - 500 Watts
85 - 264 Vac
120 - 300 Vdc
Single
Rev. 05.11.09_#87
NTS500 Series
1 of 3
Special Features
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Active power factor correction
IEC EN61000-3-2 compliance
Remote sense
Power fail and remote inhibit
Single wire current sharing
Built-in EMI filter
Low output ripple
5 V standby
12 V fan output
Overvoltage protection
Overload protection
Thermal overload protection
DC power good
Built in OR-ing diode / FET
Optional fan cover (-CF suffix)
PM Bus compliant
Digital I
2
C interface
2 year warranty
POE isolation on NTS508
Electrical Specifications
Input
Input range:
Frequency:
Inrush current:
Efficiency:
EMI filter:
85 - 264 Vac (wide range)
47 - 63 Hz
50 A max., cold start @ 25 °C
85% typical at full load, nominal line
FCC Class B conducted and radiated; CISPR22 Class B
conducted and radiated; EN55022 Class B conducted and
radiated; VDE0878PT3 Class B conducted and radiated.
Safety ground leakage < 0.5 mA @ 50/60 Hz, 264 Vac input
current:
Output
Maximum power:
Adjustment range:
Standby output:
Fan output:
Hold-up time:
Overload protection:
200 W for convection; 500 W with 30 CFM forced air
± 5%
5 V @ 1 A convection, 2 A forced air, regulated, ± 5%
12 V @ 1 A, -5 %, +7%, 0.5 A for -CF version
20 ms @ 500 W load, 115 VAC nominal line at factory voltage setting
Short circuit protection on all outputs. Case overload
protected @ 115 - 130% above peak rating
Safety
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TUV:
cCSAus:
NEMKO:
CB:
CE:
60950
60950
60950
Certificate & report
Mark (LVD)
Overvoltage protection: 20 - 35% above nominal output
Embedded Power for
Business-Critical Continuity
Logic Control
Power failure:
Remote on/off:
DC OK:
Remote sense:
TTL logic signal goes high 100 - 500 msec after main output. It goes
low at least 4 msec before loss of regulation
Requires an external contact closure to inhibit outputs
TTL logic goes high after the output is in regulation. It goes low when
there is loss of regulation.
Compensates for 0.5 V lead drop min. Will operate without remote
sense connected. Reverse connection protected.
Rev. 05.11.09_#87
NTS500 Series
of 3
Pin Assignments
Connector
CN1
PIN 1 Line
PIN 3 Neutral
PIN 5 Ground
SK7
1
6
SK8
PIN 1
PIN 2
PIN 3
10
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
PIN 10
5
Environmental Specifications
Operating temperature:
Storage temperature:
Electromagnetic
susceptibility:
Humidity:
Vibration:
0° to 50 °C ambient derate each output as 2.5% per degree from
50° to 70 °C.
-40 °C to +85 °C
Designed to meet EN61000-4;
-2, -3, -4, -5, -6, -8, -11 Level 3
Operating; non-condensing 10% to 90% RH
Three orthogonal axes, sweep at
1 oct/min, 5 min. dwell at four major resonances
2 G peak 8 Hz to 500 Hz, operational
V1 swp
- Remote Sense
+ Remote Sense
5 VSB (standby)
5 VSB return
+12 V
Common
Inhibit
DC power good (DC OK)
Power Fail (POK)
PIN 1 +12 V Fan
PIN 2 Common
CN403
6
10
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
PIN 10
5 V_I
2
C
Ground
A2
A0
SVCC2_OR
I
2
C_SDA
I
2
C_SLC
A1
N/C
+12 V_RTN_CTRL
Adjustment Potentiometers
P1
+V1 Output adjust
Mating Connectors
SK4,5,6
Molex 19141-0058
1
5
Ordering Information
Maximum Load Maximum Load
Model Output Minimum
with Convection
with 30CFM
Number Voltage
Load
Cooling
Forced Air
NTS503
12 V
0 A
16.6 A
41.7 A
NTS505
NTS508
24 V
48 V
0 A
0 A
8.3 A
4.2 A
20.8 A
10.4 A
Peak
Ripple
Regulation
2
Load
1
P/P (PARD)
3
47 A
23.4 A
11.7 A
±2%
±2%
±2%
120 mV
240 mV
480 mV
SK7 Control
Molex 90142-0010
signals
PINS: 90119-2110
or
Amp: 87977-3
PINS: 87309-8
SK8
CN403
JST PHR-2
Pins: SPH-002T-PO.5S
JST PHDR-10VS
Pins: JST 5PHD-002T-PO.5-L/P or
Landwin 2050 S1000
Pins: 2053T011P
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 (tantalum capacitor) in parallel with a 0.1 µF capacitor
at rated line voltage and load ranges.
4. 12 V fan output cannot be used above 50 °C with convection cooling.
Emerson Connector Kit #70-841-024 includes all of
the above
Notes:
1. Specifications subject to change without notice.
2. All dimensions in inches (mm), tolerance is ±.02”.
3. Specifications are at factory settings
4. Mounting maximum insertion depth is 0.12”.
5. Warranty: 2 year
6. Weight: 3.016 lb. / 1.18 kg.
Embedded Power for
Business-Critical Continuity
Mechanical Drawing
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Rev. 05.11.09_#87
NTS500 Series
3 of 3
Europe (UK)
CN1
SK7
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
V out adj.
(CN403)
SK8
Asia (HK)
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.PowerConversion.com
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.
Emerson Network Power.
The global leader in enabling
business-critical continuity.
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