Communications Products
NKA 161220 – 12V / 2.0A SMPS Adapter
High-Capacity 12V Output for Advanced or Multi-Device Setups
Delivering 2.0A at 12V, the NKA 161220 is the most powerful adapter in the 1612XX range. Built with natural convection cooling, a 90–300 V AC input, and comprehensive protection features, it’s well-suited for demanding applications such as industrial control panels, multi-device LED setups, or advanced telecom modules requiring a stable 12V source.
Key Specifications
Voltage Range: 90–300 Vac
Max Input Current: 0.6 A
Frequency: 50 Hz (48–52 Hz)
Inrush Current: ~12 A (cold start)
Voltage: 12 V ±5% (11.4–12.6 V)
Current: 2.0 A
Ripple & Noise: Max 75 mV / Max 2 mV
Output Power: ~24 W
Rise Time: ~8 ms, Hold-Up Time: ~30 ms
Overload: Up to ~2.6 A, fold-back
Short Circuit: Hiccup mode, auto-recover
Over Temperature: Shutdown & resume
Over Voltage: 13.8 V DC
~80% efficiency at full load
1.5 kVac isolation, 3 mA leakage
0–50 °C operating, 0–70 °C storage
5–95% RH (non-condensing)
2/3 Pin Wall-Mount design
DC Cable: ~1.5 m, 2.1/5.5 or Micro USB (optional)
Product Highlights & Benefits
2A Capacity: Powers larger or multiple 12V devices simultaneously.
Exceptional Protection: Overload/short-circuit mechanisms ensure safe operation.
Wider Input Range: Efficiently handles unstable mains from 90–300 Vac.
Compact & Quiet: Uses natural convection instead of a fan, minimizing noise and maintenance.
Detailed Features / Technical Details
Perfect for small industrial panels, multi-channel LED setups, or advanced telecom applications.
Fold-Back Overload: Smoothly reduces output if current exceeds 2A by a significant margin.
Hiccup Mode: Quickly restarts after removing short-circuit faults.
Thermal Monitoring: Safeguards both the device and connected equipment from heat damage.
Flame-retardant plastic enclosure (UL94 rating possible).
Sufficient hold-up time (30 ms) for brief voltage dips.
Meets EMI/EMC norms (CISPR22 / IEC61000)
Designed for IEC 60950 or equivalent standards
Designed for IEC 60950 or equivalent standards
Industrial processes needing stable 2A at 12V
High-power wireless access points, small motors, or camera systems