The model number GRM-H-120-48-AN-OL-FAN60-0-0-0-0 refers to a Gefran GRM-H DIN Rail Power Controller. This specific controller features a 30 V DC supply voltage, is designed for ON/OFF control, has 2 PNP inputs and 2 PNP outputs, and includes IO-Link communication. It's intended for managing complex electrical loads, like those with high inrush currents, and features an integrated fan for cooling. 
Key Features & Specifications: 

• Brand & Series: Gefran GRM-H
• Type: DIN Rail Power Controller
• Control Type: ON/OFF
• Supply Voltage: 30 V DC
• Inputs/Outputs: 2 PNP inputs, 2 PNP outputs
• Communication: IO-Link
• Application: Managing complex electrical loads (e.g., infrared lamps, silicon carbide heating elements) that draw high inrush currents during startup.
• Integrated Fan: Includes a FAN60 feature, indicating an integrated cooling fan for enhanced durability and performance.