Key facts
- Brand
- Emerson
- Model
- NTQ123
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-07
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EMERSON NETWORK POWER 70-120 Watts NTQ123 Series(1)
The NTQ123 Series from Emerson Network Power is a compact power supply offering 70 W convection‑cooled and up to 120 W forced‑air cooling. It supports a wide input voltage range (85‑264 VAC) and includes active power‑factor correction with a typical PF of 0.99.
Key features include overload and short‑circuit protection, remote‑sense on both outputs, adjustable output voltage, and built‑in Class B EMI filtering. The unit meets multiple safety and EMC standards (UL1950, CE, EN61000‑3‑2, etc.) and operates from 0 °C to 50 °C ambient temperature with a hold‑up time of 20 ms at full load.
Emerson NTQ123 specifications
| Input voltage range | 85‑264 VAC |
|---|---|
| Input frequency | 47‑63 Hz |
| Inrush current | 38 A max |
| Efficiency | 65 % typical at full load |
| Power factor | 0.99 typical |
| Maximum power (convection cooling) | 70 W |
| Maximum power (forced air) | 120 W |
| Hold‑up time | 20 ms @ 120 W load |
| Operating temperature | 0 °C to 50 °C ambient |
| Storage temperature | -40 °C to 85 °C |
| MTBF | >1 million hours at full load |
All Emerson NTQ123 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the input voltage range of the NTQ123 Series?
The unit accepts an input voltage range of 85 VAC to 264 VAC.
What protection features are included?
It provides overload, short‑circuit, overvoltage, thermal overload, and power‑fail TTL signal protection.
What is the input voltage range for the NTQ123 series?
The NTQ123 series accepts an input voltage range of 85 VAC to 264 VAC.
How is remote inhibit activated?
Remote inhibit requires an external TTL signal (5 V @ 10 mA) to activate.