The PBB2S1335 is a 13.8Vdc, 3.5A off-line battery charger / DC uninterrupted power supply which operate from 100-240Vac mains power.

When connected to a valve regulated lead-acid (VRLA) battery, these units provide uninterrupted power to a DC load in the event of mains failure. The PBB2S Series contains a two-step current limited float charger, output over-current and short circuit protection, a self-resetting battery fuse, over-temperature protection, and mains DC OK battery OK and battery fuse fail alarms.

The PBB2S is available in a light weight corrosion resistant aluminium chassis mount enclosure.

- 12VDC 3.5A power supply for battery backup.
- High reliability and high efficiency.
- Industrial-grade switching power converter.
- Light weight corrosion resistant aluminium enclosure.
- Output over current and short circuit protection.
- Separate current-limited battery charging output.
- Output over voltage protection.
- Self-resetting battery fuse.
- Over temperature protection.
- Mains OK / DC OK - Green LED and alarm contact.
- Green Battery OK - Green LED and alarm contact.
- Battery Fuse Fail - Red LED.
- Dimensions 219 (L) x 114 (W) x 62 mm (D).