The 8920-PS-DC is a specialized power supply module designed for the GE PAC8000 process automation system. It is engineered specifically to provide Intrinsically Safe (IS) power to field devices operating in hazardous environments. By limiting the electrical energy available to field-mounted sensors and actuators (such as transmitters and solenoid valves), it prevents the ignition of explosive atmospheres, ensuring compliance with strict safety standards in oil, gas, and chemical processing facilities.

⚙️ Technical Specifications

• Module Type: Intrinsically Safe (IS) DC Power Supply.

• System Compatibility: GE PAC8000 Process Automation System.

• Core Function: Galvanic isolation and energy limiting for hazardous area field instrumentation.

• Input Voltage: Designed to operate on standard industrial DC power distribution levels.

• Output Characteristics: Regulated, current-limited, and intrinsically safe DC output.

• Safety Ratings: Certified for operation in Class I, Div 1/Zone 0/1 hazardous areas (specific regional certifications apply).

• Operational Integrity: Features built-in over-voltage and short-circuit protection to maintain IS integrity even under fault conditions.

📏 Physical & Logistics Attributes

• Design: Ruggedized, DIN-rail mountable module for modular chassis deployment.

• Weight: Approximately 0.60 kg.

• Country of Origin: United States.

🌟 Recommended Related PAC8000 Modules

To maintain a safe and functional process control loop within hazardous zones, these modules are frequently integrated with the 8920-PS-DC:

1. 8920-AI-IS – Intrinsically Safe Analog Input module for process variables.

2. 8920-AO-IS – Intrinsically Safe Analog Output module for valve control.

3. 8920-DI-IS – Intrinsically Safe Digital Input module for status monitoring.

4. 8920-DO-IS – Intrinsically Safe Digital Output module for hazard-rated relay control.

5. 8920-RTD-IS – Intrinsically Safe RTD Input module for temperature sensing.

6. 8920-TC-IS – Intrinsically Safe Thermocouple Input module.

7. 8920-S-PWR – System power distribution module for the PAC8000 base.

8. 8920-CC-MOD – Carrier/Carrier module for reliable module mounting and field wiring.