Rittal SK 3305540 TopTherm Roof-Mounted Cooling Unit

Description

The Rittal SK 3305540 is a high-performance roof-mounted cooling unit from the TopTherm series, designed to provide efficient and reliable climate control for industrial enclosures. With a total cooling capacity of 1.60 kW at 50 Hz, it effectively dissipates heat from sensitive electronic components, ensuring optimal operating conditions and extending equipment lifespan. This unit is engineered for durability and consistent performance in demanding industrial environments.

Specifications

• Manufacturer: Rittal
• Model: SK 3305540
• Series: TopTherm
• Voltage Range: 400V (50 Hz) / 460V (60 Hz), 3-phase
• Total Cooling Output (L35 L35): 1.60 kW at 50 Hz / 1.61 kW at 60 Hz
• Rated Current: 2.2 A at 50 Hz / 2.5 A at 60 Hz
• Refrigerant: R134a (500 g)
• Operating Temperature Range: 10 deg C to 55 deg C
• IP Protection: IP54 (Internal Circuit), IP34 (External Circuit)
• Mounting: Roof-mounted
• Weight: 42 kg

Label Info

• Model: SK 3305540
• S/N: 2020K000030348
• Manufacturing Date: 12.03.2020

Application

This cooling unit is ideal for applications in manufacturing, process control, IT infrastructure, and automation where maintaining a stable internal temperature within electrical cabinets is critical. It is suitable for roof-mounting on single or bayed enclosure systems.

Country of Origin

Made in Italy.

CO2 Impact

Opting for this pre-owned cooling unit prevents the production of a new one, saving an estimated 242 kg of CO2 emissions. This conservation is equivalent to the CO2 captured by over 11 trees in a year.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

The required mounting cutout for the Rittal SK 3305540 is typically 309 mm x 494 mm. Always confirm with the official Rittal documentation before cutting into an enclosure.

Yes, the Rittal TopTherm series, including the SK 3305540, features an integrated electrical condensate evaporator to manage moisture removal, preventing condensate buildup in and around the enclosure.

The standard controller on this TopTherm model is a basic comfort controller. For advanced remote monitoring via an IoT interface, an upgrade or a newer model from the Rittal Blue e+ series would typically be required.

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Last Update: Friday, March 13, 2026