The SPGU240A1 is a high-reliability power supply module designed for the ABB Symphony Plus (S+ HR) Harmony Rack I/O system. This module serves as the primary electrical backbone for rack-mounted controllers and I/O modules, converting universal AC input into regulated 24 VDC power. Engineered for mission-critical industrial environments, the SPGU240A1 features advanced galvanic isolation and comprehensive circuit protection to ensure that sensitive control electronics are shielded from line-side transients and voltage fluctuations. Its modular, slot-based design facilitates high-density power distribution within the Harmony cabinet architecture.
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | SPGU240A1 |
| Product Type | Power Supply Module |
| System Compatibility | Symphony Plus, Harmony Rack I/O (S+ HR) |
| Input Voltage | 100–240 VAC (Auto-ranging), 50/60 Hz |
| Output Voltage | 24 VDC (Regulated) |
| Output Current | 5 A (Nominal) |
| Efficiency | >85% typical at full load |
| Isolation | Galvanic isolation between primary and secondary circuits |
| Protection | Short-circuit, Overload, Overvoltage, and Thermal shutdown |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | 30.5 cm x 17.8 cm x 2.5 cm (12.0" x 7.0" x 1.0") |
| Net Weight | 0.4 kg (0.88 lbs) |
| Origin | Switzerland |
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