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One of the newer models in the small form-factor (SFF) family of industrialgrade
power supplies, this model features a wide operating temperature
range (-20°C to +50°C) and a host of advanced features found on more
expensive and higher power models.
The 39-100003 series provides full output power over the temperature
range without additional air cooling; operation above 50°C requires
forced air cooling. NOVA offers this series with or without twin internal
fans. Without fans, the SFF dimensions are 4.8” x 1.61” x 6”; with dual
fans, the depth increases from 6” to 7.43”. With its 300W performance
over wide operating temperature coupled with its advanced features, the
39-100003 has few competitors.
This model is also available in a single output utilizing the full 300W power
rating. In single output mode, the unit delivers from 2 to 48 VDC output at
40 A maximum, not to exceed 300W.
When it comes to versatility, superior performance under a wide
temperature range and an SFF footprint, NOVA’s 39-100003 delivers.
SPECIFICATIONS
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Characteristics |
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| Nominal Input Voltage: |
100-240 VAC. |
| Frequency: |
47-63 Hz (400 Hz optional) |
| Operational Input: |
90-264 VAC |
| Voltage Range Power Factor: |
0.99 typical @ full load
Meets EN 61000-3-2. |
| Inrush Current: |
<4 msec. 30 amperes @ 115 VAC,
or 60 amperes @ 230 VAC |
| Brownout Protection: |
Holds Regulation to 85 VAC |
| Fusing: |
5 A, 250 VAC, internal |
| Hold up time: |
20msec minimum after loss of AC
Input @ full load and nominal input |
| Efficiency: |
75% typical |
| Turn on time: |
<1 sec. |
| Line and Load: |
V1 output ± 2% over AC input range
and 0 to |
| Regulation: |
100% loading. V2-V4 outputs hold
1% over AC input range and 0 to
100% load. 10% minimum load
required on V1 for full load
regulation on V2-V4. |
| Ripple & Noise: |
the greater of 1% PARD or 100 mV;
20MHz bandwidth. |
| Transient Response Output: |
max. excursion ± 5% for 50% load
step; recovery less than 500 μsec |
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| Short Circuit and All outputs: |
protected from short circuit and
Overload Protection overload;
automatic recovery |
| Overshoot: |
No turn-on or turn-off overshoot. |
| Output Isolation: |
Isolated from ground 50 VDC |
| Reverse Voltage: |
Protected against reverse voltage to
supply current rating |
| Overvoltage Protection: |
Shutdown @ 130% of nominal V out
(V1-V3); V4 fail-safe design |
| Overtemperature protection: |
Unit shuts down if overheated; AC
must be recycled |
| Input/Output Isolation: |
4242 VDC, SELV construction |
| Remote Sense: |
≤0.5 volts total in load |
| (+5 V output): |
Open sense lead protection |
| Remote On/Off: |
Open to Run, Contact closure to
return , turns off all outputs |
| Fail: |
Provides TTL “0” 5ms before output
voltage goes out of regulation band
upon loss of AC power. Also Provides
TTL “1” open collector when output
#1 is above 4.6V (for 5V nominal
output) |
| Operating Temperature: |
-20°C to 50°C @ full output |
| Stability: |
All outputs 0.1% for 8 hrs. after 30
minute warm-up |
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Ordering Table |
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| 39-100003-100 |
300W; quad output (+3.3V, +5V, +12V,
-12V), internal mount, no internal fans |
| 39-100003-101 |
300W; quad output (+3.3V, +5V, +12V,
-12V), internal mount, internal fans |
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