Side-by-side
Regulator TCR (Constant Current Regulator) vs NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
Spec comparison for two products on Aviation Souk. Both compete in Runway Lighting & Airfield Electrical.
Runway Lighting & Airfield Electrical
Regulator TCR (Constant Current Regulator)
by Transcon Electronic Systems
Thyristor-regulated constant current regulator for series AGL circuits, available in 4–30 kVA output with seven-step intensity control and FAA L-829 compliance.
Runway Lighting & Airfield Electrical
NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C)
by Vosla Gmbh Narva
P28s prefocus incandescent airfield lamp for constant-current regulated series circuits.
| Cost of ownership | Regulator TCR (Constant Current Regulator) | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | Regulator TCR (Constant Current Regulator) | NARVA Conventional Incandescent Airfield Lamp — Prefocus P28s (7669 / 7654 / 7668C / 7670C / 6936C) |
|---|---|---|
| Output current options | 6.6 or 8.3 A | — |
| Current tolerance | ±0.1 A | — |
| Output power ratings | 4, 10, 20, 30 kVA | — |
| Efficiency | ≥95 % at rated power | — |
| Input voltage | 380–400 V or 208–240 V, 50/60 Hz | — |
| Intensity steps | 7 | — |
| Dimensions | 575 × 540 × 1,330 mm | — |
| Weight | 126–268 kg | — |
| IP rating | IP20 | — |
| Operating temperature (standard) | −25 to +55 °C | — |
| Operating temperature (optional) | −45 to +55 °C | — |
| Standards | FAA AC 150/5345-10E (L-829), MAK | — |
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