Product Overview

The HIMA F7126 is a heavy-duty power distribution module engineered for the SIMATIC-compatible H41q and H51q safety controller systems. This module serves as the primary energy regulation hub for the controller rack, converting and distributing power to essential I/O modules and logic solvers. Designed for the high-stakes environments of functional safety, the F7126 ensures that the safety instrumented system (SIS) receives stable, filtered power to maintain its Safety Integrity Level (SIL) rating.

Engineered with industrial-grade resilience, the F7126 is built to neutralize electrical noise and voltage fluctuations common in factory floors and refineries. Its integration into the HIMA rack system allows for centralized power management, providing a robust electrical foundation for emergency shutdown (ESD) and fire and gas (F&G) systems.

Technical Characteristics

• System Compatibility: HIMA H41q and H51q Safety Systems

• Nominal Input Voltage: 220 V AC

• Maximum Output Current: 10 A

• Primary Protection: Integrated 6.3 A fuse for overcurrent and surge shielding

• Weight: 0.45 kg (Net) / 0.6 kg (Shipping)

• Dimentions:4x19x12.8cm

• Form Factor: Plug-in module for standard HIMA subracks

• Certifications: CE and UL compliant for industrial safety equipment

• Cooling: Passive convection cooling within the rack architecture

• Origin: Made in Germany

Reliability and System Protection

The F7126 Power Supply Module prioritizes hardware longevity and process uptime. By utilizing a high-capacity 6.3 A primary fuse, the module acts as a sacrificial barrier against external electrical faults, preventing upstream surges from damaging sensitive logic cards. The 10 A output capacity provides sufficient overhead to power a fully populated rack of digital and analog I/O modules simultaneously without thermal throttling.

The module’s mechanical design allows for rapid installation and secure seating within the backplane, ensuring vibration-proof electrical contacts. For maintenance teams, the easily accessible front-panel fuse holder allows for quick diagnostics and restoration of power during troubleshooting. Its durable construction is specifically tested to operate reliably in temperature-controlled cabinets alongside high-performance safety processors, making it a cornerstone for long-term stability in critical infrastructure.