HIMA F3421 Relay Amplifier Module

Products Description

 

The HIMA F3421 Relay Amplifier Module is an industrial safety-oriented interface module designed to provide reliable signal amplification and secure switching control within safety instrumented systems (SIS) and automation environments.This module operates on a 24 V DC input supply, enabling stable integration into standard industrial control architectures. It supports digital signal handling within a 0–24 V range, allowing direct interfacing with typical PLC and safety controller outputs.The output stage is equipped with a relay contact rated at 10 A / 250 VAC, providing strong load-switching capability for industrial actuators and control circuits. With a response time of less than 10 ms, the module ensures rapid signal conversion and timely actuation in safety-related operations.For electrical protection and system integrity, the unit offers 1.5 kV isolation voltage, helping to prevent interference and ensuring safe separation between control and field circuits. It is designed for operation in environments with 5% to 95% non-condensing humidity, ensuring stable performance under typical industrial conditions.Overall, the HIMA F3421 Relay Amplifier Module provides a robust and reliable solution for converting control logic into safe and isolated relay outputs in critical industrial automation environments.

 

 

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Model: F3421
Product Type: Relay Amplifier Module
Channel Configuration: Multi-channel relay output (typically 4-channel class)
Output Current: Up to 0.5 A per channel
Input Voltage: 24VDC
Output Relay Rating: 10A at 250VAC
Digital: 0-24 V
Range: 5% to 95% non-condensing
Time: <10ms
Voltage: 1.5 kV
Isolation Voltage: Up to 250–1500 V class industrial isolation
Operating Temperature: Industrial range (-20°C to +60°C typical)
Protection Design: Electrical isolation and surge protection
Safety Level: Designed for safety-related control applications (SIS architecture)

• Native HIMA Safety PLC Integration: The F3421 is specifically optimized for native integration within HIMA safety-instrumented architectures, ensuring seamless hardware alignment and compliance with rigorous international functional safety standards (IEC 61508 / SIL 3).
  
• Galvanic Field-to-Logic Isolation: The F3421 provides robust, safety-grade electrical isolation between sensitive controller electronics and high-voltage field devices, preventing ground loops and transient spikes from compromising the main logic solver.
• Multi-Channel Independent Switching: Featuring an isolated multi-channel architecture, the F3421 supports independent relay switching across concurrent channels, eliminating cross-talk and maximizing deployment flexibility in high-density control loops.
• High-Fidelity Signal Power Amplification: Engineered to bridge the gap between control and execution, the F3421 efficiently amplifies low-level logic signals into high-capacity, relay-level outputs capable of driving heavy industrial inductive loads.
• Deterministic Emergency Fault Response: Built for critical shutdown and alarm loops, the F3421 delivers ultra-low latency, fast-response switching under emergency conditions, guaranteeing that safety-critical state transitions occur without delay.

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