SK3178.801 Rittal Blue e+ S wall-mounted cooling unit, 300 W, without condensate evaporator

Why Choose the Rittal SK 3178.801 Blue e+ Wall-Mounted Cooling Unit?

The Rittal SK 3178.801 is a compact and highly efficient Blue e+ wall-mounted cooling unit designed to deliver reliable temperature control for electrical enclosures and control cabinets. Built using advanced hybrid cooling technology, it combines passive heat pipe operation with active compressor cooling to maximise efficiency and minimise energy consumption.

As part of the Rittal Blue e+ S range, this unit is engineered for modern industrial environments, offering intelligent performance, reduced carbon footprint and improved operational reliability. It is ideal for compact enclosures where space is limited but precise climate control is essential.

With a cooling capacity of approximately 0.3 kW and a 110–240 V AC supply, the SK 3178.801 is well suited to smaller control cabinets requiring consistent and energy-efficient cooling.

Key Advantages

• Advanced Blue e+ hybrid cooling technology for maximum efficiency.
• Up to 75% energy savings compared to conventional cooling units.
• Wide voltage range for global compatibility.
• Compact design ideal for space-constrained enclosures.
• Improves system reliability and component lifespan.
• Supports smart monitoring via IoT interface.

Key Features

• Cooling capacity: approx. 0.3 kW.
• Airflow: approx. 366 m³/h (internal and external circuits).
• Voltage range: 110 – 240 V AC, single phase.
• Hybrid system combining heat pipe and compressor cooling.
• IP55 protection rating for internal circuit.
• Energy-efficient operation with intelligent control system.
• Compact wall-mounted design for easy installation.

Technical Specifications

• Manufacturer: Rittal
• Series: Blue e+ S Cooling Units
• Model: SK 3178.801
• Product type: Wall-mounted cooling unit
• Cooling output: 0.3 kW (L35 L35)
• Cooling output (L35 L50): approx. 0.22 kW
• Rated voltage: 110 – 240 V AC
• Frequency: 50 / 60 Hz
• Rated power input: approx. 0.15 – 0.18 kW
• Air throughput: approx. 366.6 m³/h
• Protection rating: IP55 (internal circuit)
• Dimensions (W × H × D): 300 × 570 × 159 mm
• Weight: approx. 12.2 kg
• Refrigerant: R-513A
• Operating temperature range: -20 °C to +60 °C

Efficient Cooling with Blue e+ Technology

The SK 3178.801 intelligently switches between passive and active cooling depending on ambient conditions, significantly reducing energy usage while maintaining stable enclosure temperatures. This hybrid approach ensures optimal efficiency across varying thermal loads.

Its balanced airflow and precise temperature control help prevent overheating, ensuring reliable operation of electrical and electronic components in industrial automation systems.

Typical Applications

• Electrical control panels and automation systems.
• PLC and industrial control enclosures.
• Machine building and OEM equipment.
• Power distribution cabinets.
• Telecommunications and network enclosures.
• Compact industrial cooling applications.

Trusted by Industrial Engineers Worldwide

Rittal Blue e+ cooling units are widely trusted for delivering energy-efficient climate control, improving system reliability and reducing operating costs in industrial environments.