PP245B 3BSC690126R0002 | DIN-Rail Power Supply

​Parameter ​Specification
​Product Model PP245B 3BSC690126R0002
​Manufacturer ABB
​Type DIN-Rail Power Supply
​Input Voltage 85-264V AC/120-300V DC (auto-ranging)
​Output 24V DC ±1%, 5A (120W continuous)
​Redundancy Active parallel support (N+1)
​Efficiency 88% @ 230V AC (typical)
​Hold-Up Time ≥20ms (at full load)
​Protections Short-circuit/overload/overvoltage
​Communication Remote sense, ready contact
​Safety Standards IEC/EN 62368-1, UL 508
​Isolation 1.5kV AC input-output, 500V DC input-earth
​Operating Temperature -25°C to +70°C (derate above 60°C)
​Conformity ATEX/IECEx Ex ec IIC T4 Gc, Zone 2
​Dimensions 129 x 125 x 115 mm (H×W×D)
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Description

Product Overview
The ​ABB PP245B 3BSC690126R0002 is a high-reliability DIN-rail power supply module engineered for ABB’s System 800xA and AC 800M automation platforms. Designed for mission-critical industrial applications, this unit delivers stabilized 24VDC power with dual-redundancy support and integrated diagnostics for continuous process uptime. The ​PP245B 3BSC690126R0002 features ultra-wide input voltage tolerance (85-264V AC/DC) and 88% efficiency, minimizing heat dissipation in densely packed control cabinets. Its active power factor correction (>0.95) complies with IEC 61000-3-2 harmonic standards, while 20ms holdup time bridges grid transients during generator transfers. Certifications for marine (DNV-GL) and hazardous environments (ATEX Zone 2) ensure deployment flexibility in power plants, oil platforms, and manufacturing facilities.

Technical Specifications

​Parameter ​Specification
​Product Model PP245B 3BSC690126R0002
​Manufacturer ABB
​Type DIN-Rail Power Supply
​Input Voltage 85-264V AC/120-300V DC (auto-ranging)
​Output 24V DC ±1%, 5A (120W continuous)
​Redundancy Active parallel support (N+1)
​Efficiency 88% @ 230V AC (typical)
​Hold-Up Time ≥20ms (at full load)
​Protections Short-circuit/overload/overvoltage
​Communication Remote sense, ready contact
​Safety Standards IEC/EN 62368-1, UL 508
​Isolation 1.5kV AC input-output, 500V DC input-earth
​Operating Temperature -25°C to +70°C (derate above 60°C)
​Conformity ATEX/IECEx Ex ec IIC T4 Gc, Zone 2
​Dimensions 129 x 125 x 115 mm (H×W×D)

Key Features & Advantages

Resilient Power Delivery:

  • Active current sharing enables parallel operation of ≤4 units without derating
  • 40°C operating headroom for tropical environments without derating
  • Metal oxide varistor (MOV) suppresses 6kV transients (IEC 61000-4-5)

PP220-3BSC690099R1

Diagnostics & Integration:

  • DC-OK relay contact (24VDC/1A) signals power loss to controllers
  • Remote voltage sensing corrects cable voltage drop (±2% compensation)
  • Compatible with ABB’s 800xA Asset Monitoring for predictive maintenance

Environmental Robustness:

  • Conformal-coated PCBs resist humidity/chemical exposure
  • Silent operation (0dB fan noise) via convection cooling
  • Salt mist corrosion protection (ISO 9227 class C)

Safety Compliance:

  • Reinforced isolation for Category III overvoltage environments
  • ATEX/IECEx certification for gas Group IIC installations
  • Pluggable terminals simplify hot-swap replacement

Application Areas

  • ​Power Generation: 800xA cabinet backplane power for turbine control modules
  • ​Oil & Gas: SIL 2-rated safety systems (e.g., HIPPS valves) on offshore platforms
  • ​Water Treatment: Redundant power for ABB AC 500 PLCs in pumping stations
  • ​Marine Systems: DNV-GL certified propulsion controls on LNG carriers
  • ​Manufacturing: Uninterrupted power for robotic cell controllers
  • ​Mining: Ventilation fan control boards in explosive dust zones

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