38213.78.NC # 38213 | Ajax 6V PSU is a power supply designed to enable continuous operation of Ajax security systems via portable battery, ideal for sites completely without electricity. It allows Hubs and signal extenders to operate for up to 30 months without a power grid, ensuring 24/7 protection for construction sites, uninhabited houses, warehouses and isolated areas. Power from an external battery , extended autonomy of up to 30 months , compatibility with Hubs and ReX Jeweller , quick internal installation , stable 4.8 V output , reliability in powerless environments make this module a professional solution for security in critical environments. Ajax
Artikel-Nr.: 38213.78.NC
Marke: Ajax Systems
EAN: 4823114015021
Disponibilità: 4
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38212.54.NC | POWER SUPPLY FOR OPERATION OF THE DEVICE WITH PORTABLE BATTERIES

The Ajax 6V PSU, 38213.78.NC, is a professional power supply designed to ensure continuous operation of Ajax security systems using portable batteries, making it ideal for installations in locations completely devoid of electricity. Replacing the standard 110/230V power supply, it allows hubs and signal extenders to operate for up to 30 months without a power grid, ensuring 24/7 monitoring and protection of uninhabited homes, construction sites, warehouses, and remote locations. Full integration with the Ajax Jeweler ecosystem and high energy efficiency make it a reliable solution optimized for critical environments.
Main specifications:
- Powered by a portable battery with up to 30 months of battery life
- Compatibility with Hub and ReX Ajax Jeweler
- Optimized input voltage for 4.2–10 V batteries
- Stable output 4.8V ±5%
- Output current up to 1.5 A
- Quick internal installation to replace the 110/230V power supply
Further details
Technical data sheet
| 38213.78.NC | |
| Input | |
| Voltage | 4.2–10 V⎓ |
| Current | 2.2 A at 4.2 V⎓ 0.8 A at 10 V⎓ |
| Turn-on voltage | 4.2 V⎓ ± 0.5% |
| Turn-off voltage | 3–3.4 V⎓ Depends on the load |
| Output | |
| Voltage | 4.8 V⎓ ± 3% |
| Current | up to 1.5 A |
| Installation | |
| Installation method | into the hub or range extender enclosure by replacing the bundled power supply board |
| Operating temperature range | from -10°C to +40°C |
| Operating humidity | up to 75% |
| Connection to the power supply | |
| Connector slot | 6.5 × 2 mm Power jack (female) |
| Connector | 5.5 × 2.1 mm Power jack (male) |
| Enclosure | |
| Dimension | 98 × 70 × 17 mm 3.9″ × 2.8″ × 0.67″ |
| Weight | 26 g 0.917 oz |
| Complete set | 6V PSU (type A) Terminal adapter Quick start guide |
| Warranty | 24 months |



