Powerbox PBB2S MK II SERIES DC-UPS Battery Charger

The Powerbox PBB2S MK II Series DC-UPS Battery Charger is purpose-built for security and access control systems, delivering reliable DC power and uninterrupted battery backup for critical security equipment. Engineered for high efficiency and field-proven reliability, the PBB2S MK II Series is a direct replacement for the original PBB2S models - offering full backward compatibility for existing installations by maintaining the same electrical performance, mechanical footprint, and mounting points.

Now certified to the updated AS/NZS 61558.2.16 safety standard for general use, the PBB2S MK II Series meets the latest regulatory requirements for safe and compliant operation in commercial and industrial environments. It is fully compliant with AS/NZS 62368.1 and CISPR 32 Class B EMC standards, and is officially registered and approved under the EESS (Electrical Equipment Safety System) - Registration number: E2025004894.

Key Features:

Separate, current-limited battery charging outputs

Overcurrent, short-circuit, and overvoltage protection with latching shutdown

Visual indicators and form-C relays for Mains/DC OK, Battery OK, and Battery Fuse Fail

Lightweight, corrosion-resistant aluminium enclosure with natural convection cooling

Self-resetting battery fuse and integrated overtemperature protection

Available in 13.8Vdc (3.25A and 6A) and 27.6Vdc (3.0A) versions, the PBB2S MK II supports both 12V and 24V battery systems and is ideal for low-voltage backup applications in security, automation, and infrastructure deployments.

The PBB2S MK II Series delivers enhanced safety, dependable performance, and installation continuity—making it a trusted solution for mission-critical power backup.