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The PW502 is a high-capacity power supply unit engineered specifically for the Yokogawa CENTUM VP, VE, and VN series distributed control systems. Designed to deliver a stable 24V DC bus, this module is essential for driving heavy I/O loads and maintaining system integrity in mission-critical process automation. Unlike standard rack power supplies, the PW502 features an IP66-rated enclosure, making it exceptionally resilient against dust and high-pressure water ingress in harsh industrial environments.
With a 1200W output capability, the PW502 ensures that large-scale DCS configurations remain powered even during peak demand. Its wide operating temperature range allows for installation in non-climate-controlled field cabinets, providing localized power without the need for extensive cooling infrastructure.
| Parameter | Specification |
|---|---|
| Model Designation | PW502 |
| Input Voltage Range | 100 V to 240 V AC (Universal Input) |
| Regulated Output Voltage | 24 V DC |
| Continuous Output Current | 50 A |
| Total Rated Power | 1200 W |
| Thermal Performance | -20°C to +70°C operating temperature |
| Physical Dimensions | 240 mm × 140 mm × 70 mm |
| Module Mass | 5.0 kg |
Powering high-density I/O nests in CENTUM VP architectures.
Field-mounted control stations in oil and gas upstream facilities.
Reliable DC sourcing for heavy-duty pneumatic and hydraulic actuators.
Can the PW502 be used in outdoor environments?
Due to its IP66 rating, the PW502 is highly resistant to environmental contaminants; however, it should still be housed within a secondary junction box or cabinet to avoid direct UV exposure and extreme weather cycling.
Does this module require manual voltage switching for 110V vs 220V?
No, the PW502 utilizes an auto-ranging input circuit that accepts the full spectrum from 100V to 240V AC without hardware adjustment.