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F3SP21-0N

The Yokogawa F3SP21-0N is a power supply module for the ProSafe-RS F3SP Series of compact safety controllers.

This module is designed to provide a stable and reliable 24V DC power to the system's central processing unit (CPU) and input/output (I/O) modules within the safety PLC rack. As a critical component of a safety instrumented system (SIS), it is built to meet stringent requirements for availability and fault tolerance, ensuring the entire safety controller functions correctly even in demanding industrial environments.

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Specifications & Parameters
Parameter Category Specification Details
Model Code F3SP21-0N
Product Line ProSafe-RS / F3SP Series
Type Power Supply Module for Safety PLC Rack
Input Voltage 24 V DC (Nominal)
Operating Range: 19.2 to 28.8 V DC
Output Voltage 5 V DC (for internal logic and CPU)
24 V DC (for I/O modules and field devices)
Output Current • 5V Output: Typically 3 A
• 24V Output: Typically 1 A
Note: Total power output is limited; exact ratings should be verified against the system's load.
Rack Configuration Designed for use in the F3SP Series base unit (rack).
Redundancy Not redundant. (For redundant power supply configurations, other specific modules are used).
Isolation Input-to-output and channel isolation for noise immunity and safety.
Safety Certification Designed for use in SIL 3 certified safety systems per IEC 61508.
Operating Temperature -20°C to 70°C (-4°F to 158°F)
Storage Temperature -25°C to 75°C (-13°F to 167°F)
Humidity 5 to 95% RH (non-condensing)
Status Indicators LED indicators for power status (e.g., OK, Fault).
Mounting Mounts internally into a dedicated slot in the F3SP Series base unit.
Typical Applications Emergency Shutdown (ESD) systems, Fire & Gas (F&G) systems, Burner Management Systems (BMS), and other safety instrumented systems (SIS) requiring a highly reliable power source.