TSO'D 375 VA STATIC INVERTER
| The SPC-38( ) static inverter utilizes solid state circuitry to convert 28
VDC to 115 VAC, 400 Hz sine wave power. Design features include transformerless square to
sine power conversion permitting light weight and reliable operation. The SPC-38( ) is capable of delivering an overload of 150% of rated power for a duration not less than five minutes under all environmental conditions. |
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Features:
- Foldback current limit during overload.
- 200% output current capability for fault clearance.
- Remote on-off feature to eliminate the need for a heavy and expensive solenoid.
- Shut down in the event of Low/Hi frequency and overvoltage malfunction.
- Soft start logic in conjunction with step input and any restart after output short, output shutdown or remote off. Prevents inverter from drawing heavy surge current during start transition.
- Fault monitor output for malfunction indication noted above.
Specifications: |
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| Input Voltage: | Nominal; 28.0 VDC ± 4 VDC Range: 20 to 37 VDC |
| Input Current: | 16A @ full load 2A max @ no load |
| Output Voltage: | -5% -7% (± 2% typ. on 115V) |
| Output #1: | 115 VAC (375 VA max. cont.) |
| Output #2: | 26 VA (75 VA max. cont.) |
| Output Power: | 375 VA Total max. cont. (Sum of 115 and 26 VAC outputs) |
| Output Frequency: | 400 Hz ± 1% |
| Phase & Waveform: | Single phase sine wave. |
| Harmonic Distortion: | 2.0% typ. (5% max.) 20 to 37 VDC in. |
| Power Factor: | .8 to -.95 |
| Efficiency: | 83% typical. |
| Temperature: | -55°C to 71°C |
| Weight: | 8.0 lbs. |
| Overload Capacity: | Capable of 150% output current @ normal AC output for 5 minutes. |
| Input Overvoltage: | Withstand 130% input overvoltage for 5 minutes while supplying full rated VA output power. Output voltage under this condition 115 VAC +5% -7% |
| Input Voltage Protection: | Inverter withstands transients of 88 volts lasting 1 mSec on the 28.0 VDC input line. |
| Overload & Output Short Circuit Protection: | Withstand without damage or degradation loads exceeding 150% of rated output to an output short circuit. Inverter delivers rated output on removal of above conditions. 200% output current for fault clearance. |
| Altitude: | 55,000 ft. |
| Humidity: | Tested to greater than 95% for ten days, temperature cycled between 75°F to 160°F. |
| Environmental: | Qualified to meet RTCA DO-160 env. cat. D2BR---- |
1. Total continuous output power is 375 VA |
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| MODEL | OUTPUT VOLTAGE | OUTPUT POWER VA | CONNECTOR PLUG | INPUT VOLTAGE RANGE | WEIGHT LBS. (KG.) |
| SPC-38( ) | 26/115 VAC | 75/375 (1) | MS3106B18-9S | 20-37 | 8.5 (3.8 kg.) |
| SPC-38(A) | 26/115 VAC | 75/375 (1) | MS3106B18-9SW | 20-37 | 8.5 (3.8 kg.) |
| SPC-38(B) | 26/115 VAC | 75/375 (1) | MS3106B18-9SW | 20-37 | 8.5 (3.8 kg.) |
| SPC-38(T) | 26/115 VAC | 75/375 (1) | MS3106B18-9S | 16-32 | 8.5 (3.8 kg.) |
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