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The SPGU240A1 is a high-efficiency power supply module designed for the ABB Symphony Plus (S+) and Harmony Rack systems. It delivers regulated and stable logic power to rack-mounted I/O modules and controllers, ensuring reliable system operation even under fluctuating input conditions.
Engineered for industrial-grade environments, the SPGU240A1 features a slim form factor for optimized thermal management and includes circuit protection to safeguard downstream electronics against voltage spikes and over-current events. Its robustness makes it ideal for power generation, utility, and heavy industrial applications where continuous operation is critical.
| Parameter | Specification |
|---|---|
| Part Number | SPGU240A1 |
| Module Type | Power Supply / Interface Card |
| Input Voltage | 240V AC Nominal |
| System Compatibility | Symphony Plus / Harmony Rack Series |
| Cooling | Natural convection |
| Dimensions (H × W × D) | 2.5 × 17.8 × 30.5 cm |
| Net Weight | 0.4 kg |
| Status Indicators | Front-panel LED for power health and fault |
Redundant Power Supply: Often deployed in hot-standby pairs to maintain continuous operation during card or power source failures.
Industrial Reliability: Rated for high-vibration, high-temperature environments such as turbine halls and motor control centers.
Power Regulation: Smooths out AC input fluctuations and provides stable DC voltage to the Harmony/S+ backplane.
How does the SPGU240A1 handle input fluctuations?
Internal filtration and regulation stages stabilize the 240V AC input, delivering a steady DC bus voltage for connected modules.
Is this module hot-swappable?
Yes, when configured in a redundant pair, the SPGU240A1 can be replaced while the system is live, maintaining uninterrupted control logic operation.