Rack cooling unit Rittal 3185.330, input power 640 W, input voltage 110–240 V / 380–480 V, frequency 50/60 Hz, grey

Rittal 3185.330 rack cooling unit is a compact climate control solution for cabinets and enclosures that require active temperature management. With an aluminium grey housing and designed for mounting in electrical and IT racks, the unit accepts input voltages of 110–240 V and 380–480 V at 50/60 Hz and provides 640 W input power. The specification indicates a maximum cooling capacity of up to 5000 W, making the unit applicable where higher heat loads may occur and where a robust, dual-voltage cooling device is needed.

Advantages

The unit combines a flexible input voltage range with a stable input power rating, enabling compatibility with a variety of industrial and IT power systems. Its aluminium grey housing is corrosion-resistant and suited to typical cabinet environments. The cooling unit’s rated input power and stated maximum cooling capacity provide a balance between continuous operation and the ability to handle peak thermal loads in enclosed spaces.

Suitable for (tasks / use cases)

• Cooling of server cabinets and IT racks in small to medium data centers
• Maintaining temperature in electrical control cabinets and switchgear enclosures
• Industrial cabinets with sensitive electronics where active cooling is required
• Environments with variable supply voltages thanks to dual-range input support

When it may not be suitable

The unit may not be suitable for installations that require passive cooling only or where noise limits prohibit active fan-driven systems. It may also be excessive for very small enclosures with minimal heat output where simpler ventilation or fan units would suffice.

Key specifications

• Input power: 640 W
• Supported input voltage ranges: 110–240 V and 380–480 V
• Frequency: 50/60 Hz
• Maximum cooling capacity: up to 5000 W (max, as specified)
• Housing material and colour: aluminium, grey

How to use

Install the cooling unit according to cabinet manufacturer and product mounting instructions, ensuring secure attachment and correct alignment with the cabinet cut-out. Connect electrical supply in accordance with local regulations and the device’s input voltage range; verify whether the installation will use 110–240 V or 380–480 V before wiring. Configure airflow direction and ensure unobstructed intake and exhaust paths inside the enclosure. Regularly inspect and clean filters and air passages to maintain performance and prevent dust accumulation.

What to consider before purchase

• Confirm the enclosure’s heat load and required cooling capacity to ensure the unit’s rated and maximum cooling are appropriate
• Verify the available supply voltage at the installation site (110–240 V or 380–480 V) and compatibility with other equipment
• Check cabinet dimensions and mounting provisions to ensure proper fit and airflow clearance
• Assess maintenance access for filter cleaning and routine inspection

Usage recommendations

For reliable operation, match the device selection to the calculated thermal load of the cabinet, maintain clear intake and exhaust paths, and perform periodic filter and fan inspections. When installed in mixed-voltage environments, label the supply connection and follow safety procedures for switching between voltage ranges.