Description

The ABB YPK112A 3ASD573001A13 is a high-availability redundant power supply module engineered for ABB’s AC 800M and S800 I/O platforms, delivering uninterrupted 24VDC power to critical automation systems. Designed for mission-critical applications in power generation, oil & gas, and industrial processes, this module features dual parallel power converters with active load sharing and N+1 redundancy. The ABB YPK112A automatically switches to backup power within microseconds during mains failure or internal faults, preventing controller downtime in safety instrumented systems (SIS) and distributed control systems (DCS).

As part of ABB’s YPK series, the 3ASD573001A13 variant supports hot-swapping without tools and integrates comprehensive diagnostics via LED indicators and communication interfaces. Its wide input voltage range (85–264 VAC/120–300 VDC) ensures compatibility with global power grids, while built-in surge protection (EN 61000-4-5) and electromagnetic compatibility (EMC Class A) guarantee stable operation in electrically noisy environments. For engineers managing turbine control, emergency shutdown systems, or high-speed manufacturing lines, the ABB YPK112A 3ASD573001A13 provides SIL 3-certified power integrity with zero transfer time.

ABB YPK112A 3ASD573001A13

Technical Specifications

Parameter Name	Parameter Value
Product Model	YPK112A 3ASD573001A13
Manufacturer	ABB
Product Type	Redundant Power Supply Module
Input Voltage	85–264 VAC (47–63 Hz) / 120–300 VDC
Output Voltage	24 VDC (±1%)
Output Current	10 A (continuous)
Power Rating	240 W
Redundancy	Active parallel operation (N+1)
Efficiency	93% (typical)
Protections	Overload, short-circuit, overvoltage, overtemperature
Communication	CAN-based health monitoring (via S800 I/O)
Operating Temperature	-25°C to +70°C (derating above +55°C)
Safety Certifications	UL 508, ATEX/IECEx Zone 2, SIL 3 (IEC 61508)
Cooling	Convection (fanless)
MTBF	300,000 hours (per MIL-HDBK-217F)
Dimensions	125 mm × 124 mm × 119 mm (H×W×D)

Main Features and Advantages

True redundancy architecture: The ABB YPK112A employs decentralized load sharing with <0.5% current imbalance tolerance between parallel units. If a module fails, its integrated ORing diodes isolate the fault within 10 µs while the healthy unit sustains full load—eliminating single points of failure.

Advanced diagnostics: Front-panel LEDs indicate input/output status, load sharing activity, and fault conditions (overload/overheat). CAN interface integration with ABB’s 800xA or Control Builder software enables predictive health analytics, logging voltage drift or temperature trends before failures occur.

Ruggedized design: Fanless operation ensures dust immunity (conformal-coated PCB) and silent performance. With 6 kV surge immunity and 300 VAC/minute slew-rate tolerance, the ABB YPK112A 3ASD573001A13 withstands generator blackouts and lightning strikes. Hot-swap capability allows replacement in under 30 seconds using front handles—critical for continuous processes.

Energy efficiency: 93% conversion efficiency reduces heat dissipation by 40% compared to conventional supplies, cutting cooling costs in electrical cabinets. Compliance with EN 55022 Class B electromagnetic emissions minimizes interference with sensitive I/O modules.

Application Field

The ABB YPK112A secures power continuity in high-risk industrial environments:

Power Plants: Powers turbine protection systems (overspeed/trip) and burner management controllers during grid instability.

Oil & Gas: Backs up subsea control modules and offshore platform safety systems (ESD/F&G) where power interruptions risk catastrophic events.

Chemical Processing: Ensures uninterrupted DCS operation for reactor pressure/temperature interlocks during utility fluctuations.

Marine: Deployed in engine control rooms (DNV-GL certified) for dynamic positioning thrusters.

Pharmaceutical: Maintains cleanroom environmental controls (HVAC/airlocks) during voltage sags.

Mining: Operates conveyor safety brakes and ventilation fans in -25°C underground shafts.

Related Products

ABB YTA110: Terminal unit for YPK112A field wiring (simplifies maintenance).

ABB YPK114A: Higher-capacity variant (20A) for large I/O racks.

ABB SD822: System power supply for S800 racks (complements YPK112A redundancy).

ABB PM861: AC 800M controller (powered by YPK112A).

ABB YPM111: Non-redundant power supply (cost-effective alternative).

ABB CI871: Communication interface (requires stable YPK112A power).

ABB YBX011: Mounting plate for horizontal/vertical YPK112A installation.

ABB 3HAC065243-001: Fuse kit for module protection.

ABB YPK112A 3ASD573001A13

Installation and Maintenance

Pre-installation preparation: Verify cabinet airflow (≥25 mm clearance above/below module). Use copper conductors (min. 2.5 mm²) for input/output connections. Configure parallel operation by connecting units via redundancy cables (included). For the ABB YPK112A 3ASD573001A13, ensure input polarity markings align with AC/DC sources.

Maintenance recommendations: Monitor output voltage ripple (<100 mVpp) annually using oscilloscope. Clean heatsinks biannually in dusty environments. Replace modules during operation: Unlock the handle, slide out the faulty ABB YPK112A, insert replacement until it clicks, and relock. Verify load sharing via front-panel LEDs (green = balanced).