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SPW481-13

The Yokogawa SPW481-13 is a power supply module designed for use in Yokogawa's ProSafe-RS safety instrumented system (SIS). It ensures continuous and reliable power to the system's CPU and other essential components, even in demanding industrial environments.

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Key Specifications

Input Voltage: 100–120V AC

Frequency: 50/60 Hz

Output Current: 2.5 Amps

Dual Redundancy: Yes, for high availability and fault tolerance

Hot-Swappable: Yes, allows module replacement without system shutdown

Fault Supervision: Includes fused and fault-supervised outputs

Relay Outputs: Three programmable, fused, and potential-free relay outputs

Fire/Fault Outputs: One current-sinking programmable output for FIRE and one for FAULT

Operating Temperature: -20°C to 70°C

Weight: Approximately 1.5 kg

Compliance: Meets ISA Standard G3

Dimensions: 82 x 19 x 25 mm
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✅ Key Features

High Reliability: Designed for continuous operation in critical safety systems.

Modular Design: Simplifies installation and maintenance.

Electromagnetic Interference (EMI) Resistance: Ensures stable operation in complex industrial environments.

Versatile Control: Programmable relay outputs allow flexible system configurations.

Clear Status Indications: Dedicated FIRE and FAULT outputs provide immediate system status.