1. Core Technical Parameters

AC Input Range：120VAC / 240VAC

Multi DC Output：+5VDC 5A, +24VDC 2A, ±15VDC 1A

Output Voltage Precision：±0.5%

Energy Conversion Efficiency：＞85%

Operating Temperature：-20℃ ~ +70℃

Rack Compatibility：ABB INFI 90 backplane

Redundancy Support：N+1 parallel backup mode

2. Compatibility & Expandability

Same-brand Compatibility

ABB IEPAS02 is the dedicated rack power supply unit for ABB Bailey INFI 90 control cabinet series. Field instrumentation technicians mount multiple ABB IEPAS02 on standard rack slots to build redundant power supply groups for continuous-process industrial facilities. ABB IEPAS02 locks into original INFI 90 backplane pins and delivers stabilized multi-channel DC power to all ABB Bailey logic and I/O modules without auxiliary power distribution terminals. Front panel LED status indicators enable maintenance staff to check operating status of ABB IEPAS02 and ensure steady power supply to ABB field signal acquisition boards.

Cross-brand Compatibility

Customized backplane pin layout of INFI 90 series blocks direct physical installation of ABB IEPAS02 on non-automation racks. External power distribution terminal blocks become necessary to match ABB IEPAS02 with third-party PLC cabinets manufactured by Siemens or Rockwell. Standard universal DC output voltage specifications allow ABB IEPAS02 to supply regulated power to most aftermarket signal conditioning modules with no internal circuit modification.

3. Lifecycle Cost Analysis

Service cycle of ABB IEPAS02 lasts 10 years, exchange rate:1USD=7.2CNY, purchase and installation fees are excluded from all cost statistics

Annual routine maintenance cost: Output voltage calibration and internal dust clearance for ABB IEPAS02 costs 39 USD per year, total 10-year maintenance expense: 390 USD

Spare part replacement cost: Internal rectifier circuit damage of ABB IEPAS02 generally occurs once every 7 years, single spare module price: 482 USD, total replacement expense within 10 years: 482 USD

Retrofit expense saving: Original cabinet power wiring layout fully fits ABB IEPAS02 during control system reconstruction, saving 308 USD extra construction labor cost compared with mismatched alternative rack power supplies

Total cumulative running cost for single ABB IEPAS02 across ten service years: 564 USD