Yokogawa SPW482-E3 Power Supply Module

The Yokogawa SPW482-E3 is a highly reliable Power Supply Module developed to support the stable operation of Yokogawa’s distributed control systems, particularly the CENTUM VP, ProSafe-RS, and FA-M3 series. As a core component in industrial control cabinets, the SPW482-E3 provides regulated 24 VDC output power necessary to operate I/O modules, CPUs, and network communication modules.

Designed with industrial-grade robustness, this module ensures stable voltage delivery, high tolerance against electrical noise, and excellent redundancy support. It is frequently used in mission-critical applications where continuous uptime and safety are paramount.

The SPW482-E3 contributes significantly to maintaining control system reliability by minimizing power disturbances and offering long-lasting durability in environments exposed to heat, vibration, and electromagnetic interference.

Product Specifications

Applications

The SPW482-E3 is widely used in critical process control environments where reliable power delivery is essential. Common industries and systems include:

• Oil & Gas Facilities – Powering safety shutdown systems (ESD) and remote I/O

• Power Generation Plants – Ensuring continuous operation of turbine control DCS nodes

• Petrochemical Plants – Backing I/O, CPU, and redundant systems under extreme conditions

• Pharmaceutical Manufacturing – Maintaining system uptime in GMP-compliant environments

• Water and Wastewater Plants – Providing clean power for pump and sensor control

• Marine and Offshore Systems – Suitable for rugged vibration-heavy environments

Product Advantages

• Industrial-Grade Reliability

  Engineered for 24/7 uptime with high mean time between failures (MTBF).

• Stable Voltage Output

  Regulated 24 VDC with minimal ripple or deviation, ensuring consistent device performance.

• Redundant System Support

  Easily configured in dual redundant power supply mode for critical systems.

• Compact and Durable Design

  Space-saving form factor ideal for panel installation with robust mechanical integrity.

• Overload and Short Circuit Protection

  Integrated safety circuitry prevents damage to downstream devices.

• Diagnostic Capabilities

  LED indicators and alarm output simplify troubleshooting and maintenance.

• Noise and EMI Immunity

  Suitable for electrically noisy environments due to advanced filtering.

• Wide Input Range

  Accepts universal AC inputs, accommodating global installation requirements.

• Heat-Resistant Construction

  Maintains reliable performance even at elevated ambient temperatures.

• Certified for Global Use

  Meets international safety and quality standards (CE, UL, CSA, RoHS).

Frequently Asked Questions (FAQ)

1. What input voltages are supported by the SPW482-E3?

   It supports a universal input of 100–240 VAC at 50/60 Hz.

2. What is the maximum output current?

   The module provides a continuous 5 A output at 24 VDC.

3. Can the SPW482-E3 be used in redundant power configurations?

   Yes, it fully supports dual power supply redundancy.

4. Does it have built-in protection features?

   Yes, it includes overcurrent and overvoltage protection mechanisms.

5. Is the module hot-swappable?

   No, the power must be turned off before replacement to ensure safety.

6. How do I know if the module is operating normally?

   LED indicators on the front panel display power OK and fault conditions.

7. What is the cooling method used?

   The SPW482-E3 relies on natural air cooling—no fans are required.

8. Is it suitable for outdoor installations?

   It must be installed inside a protected cabinet; not rated for direct outdoor exposure.

9. What is the approximate weight of the module?

   Around 1.3 kg, suitable for standard control panel mounting.

10. What certifications does it comply with?

    It holds CE, UL, CSA, and RoHS certifications for global use.