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Help CenterFoxboro SSA-AC-PS-625W (C71S-1522) Evo Control Network Power Supply – Stable 24 VDC for Critical Control Cabinets
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Warranty: 365 days
Delivery: 1 week if in stock; no more than one month at the latest
Payment: 50% advance payment; full payment prior to delivery
Express shipping: FedEx, UPS, DHL
625 W 24 VDC output – Sufficient headroom for EVO network devices, controllers, and auxiliary loads in a single cabinet.
Wide-range AC input – Typically supports 100–240 VAC, 50/60 Hz, simplifying global deployment and spares.
Industrial-grade protection – Overload, over-voltage, and short-circuit protections to safeguard connected assets.
Redundancy-ready – Commonly installed in N+1 configurations to maintain uptime during maintenance or a module fault.
Low-ripple regulated power – Designed to minimize electrical noise that can upset sensitive control electronics.
Status indicators – Front-panel LEDs typically provide quick at-a-glance health and output status.
EVO cabinet fit – Mechanical design aligns with Foxboro EVO architecture for straightforward integration.
| Brand / Model | Foxboro SSA-AC-PS-625W (C71S-1522) |
| Product Type | AC-to-DC power supply for Foxboro EVO Control Network cabinets |
| HS Code | 8504.40 (Static converters, power supplies) |
| Power Requirements (Input) | Typically 100–240 VAC, 50/60 Hz, single-phase wide-range input |
| DC Output | 24 VDC nominal, up to 625 W (approx. 26 A), regulated low-ripple output |
| Operating Temperature | Typically 0 to +50 °C (cabinet-mounted environment) |
| Signal I/O Types | 24 VDC output terminals; dry-contact alarm/status (where fitted) |
| Communication Interfaces | None (power-only module; no fieldbus/ethernet port) |
| Installation Method | Cabinet-mounted within Foxboro EVO enclosure; supports N+1 redundancy |
| Dimensions & Weight | Compact PSU module for EVO cabinets; typically under 5 kg (consult the datasheet for exact values) |
This supply is used widely across process automation where Foxboro EVO is deployed:
Oil & Gas – powers ECN switches, controllers, and marshalling interfaces in onshore and offshore cabinets.
Chemicals & Petrochemicals – stable 24 VDC for noisy electrical rooms with frequent load changes.
Power Generation – feeds control network components in turbine or balance-of-plant cabinets.
Water & Wastewater – reliable operation in utility plants where redundancy is preferred.
Pulp & Paper / Mining / Metals – delivers clean power to distributed I/O and network infrastructure.
Reliability in harsh rooms – Designed for continuous duty; in many cases outlasts generic IT supplies in control cabinets.
Native compatibility – Mechanical and electrical fit for Foxboro EVO reduces integration time and wiring errors.
Lifecycle cost savings – Redundancy support and protective features can reduce unplanned downtime and spares complexity.
Spares standardization – 24 VDC/625 W profile aligns with common EVO cabinet designs, making stocking easier.
Practical support – From my experience, installation and replacement are straightforward for site technicians already trained on EVO hardware.
Cabinet requirements – Mount in a clean, ventilated industrial cabinet; follow Foxboro EVO cabinet standards and clearances for airflow.
Wiring – Use correctly rated copper conductors; bond PE/ground solidly; size input fusing and output breakers per load and local codes.
Redundancy – For critical loops, install as N+1 with diode/OR-ing modules or built-in sharing as specified, and load-balance outputs.
Thermal management – Keep ambient within the stated operating range; ensure unobstructed ventilation paths.
Routine checks – Quarterly visual inspection of terminals; verify output voltage and ripple; clean dust filters; confirm LED/alarm status.
Service notes – No firmware to update on typical PSUs; if a fan is present, replace on schedule; keep a tested spare on hand for fast swap.
Compliance: CE marking and UL/cUL listings are typically applicable for Foxboro industrial PSU modules.
Environmental: RoHS-compliant design in most shipments.
Manufacturer Warranty: Commonly 12 months; this offer includes a 365-day warranty.
One thing I appreciate is how this supply behaves under transient loads—voltage recovery seems to be very consistent. A maintenance lead from a refinery client mentioned they swapped one in under 10 minutes during a planned window, with zero network alarms after power-up. That’s the kind of practical reliability most teams look for.
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