ABB has introduced the 48990001-NK, a DC-input/DC-output power supply unit designated DSSR 122, engineered for ABB’s Advant Master process control systems ABB Group.
The DSSR 122 accepts a 24 V DC input and delivers a regulated 5 V DC output at 40 A, providing reliable power for control system components in industrial environments. The unit is supported by a 20 A spare fuse (ABB part 5672827-20) and carries the exchange number EXC48990001-NK for maintenance and replacement programs ABB Group.
Key Features
- DC/DC conversion — 24 V DC input to regulated 5 V DC output at 40 A
- Advant Master compatibility — designed for ABB Master process control system racks and system units
- Wide integration — used in AC410 system units and DSRF I/O subrack configurations
- Maintenance-ready — exchange unit with spare fuse support for preventive maintenance programs
- Compact industrial form factor — 238.5 × 72 × 162 mm, 2.35 kgABB Group
Target Applications
- ABB Advant Master process control system power supply
- AC410 system unit and DSRF I/O subrack powering
- Preventive maintenance and exchange programs for ABB Master platforms
- Spare-part replacement for DCS power infrastructure
The 48990001-NK is available as a brand-new or refurbished unit with warranty support. For pricing, lead time, or technical consultation, contact our sales team directly.
