SK3304.640 Rittal Blue e cooling unit Wall-mounted 1.1 kW 400/460 V 3~ 50/60 Hz

SK3304.640 Rittal Blue e cooling unit Wall-mounted 1.1 kW 400/460 V 3~ 50/60 Hz

Rittal SK3304.640 Blue e wall-mounted cooling unit, a 1.1 kW stainless steel enclosure cooling solution designed for industrial control cabinets and automation systems.

SKU: SK3304.640Alt SKU: 3304640MPN: SK3304.640
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List Price £2,773.68 ex VAT
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Why Choose the Rittal SK3304.640 Blue e Wall-Mounted Cooling Unit?

The Rittal SK3304.640 is an energy-efficient Blue e wall-mounted cooling unit designed to provide reliable climate control for electrical enclosures and control cabinets in industrial environments. Part of the advanced Rittal Blue e cooling unit series, it combines efficient cooling performance, intelligent temperature control and robust stainless steel construction for demanding applications.

This wall-mounted cooling unit helps maintain optimum enclosure temperatures by removing excess heat from electrical and automation systems. The Blue e series features energy-efficient operation, an integrated e-Comfort controller and a compact design that simplifies installation while improving equipment reliability and service life.

With a cooling output of 1.1 kW and a 400/460 V 3-phase AC supply, the Rittal SK3304.640 is suitable for protecting sensitive electrical components in industrial control cabinets. Its stainless steel housing and IP34 external circuit protection make it suitable for applications where durability and dependable enclosure cooling are required.

Key Advantages

  • Energy-efficient Rittal Blue e wall-mounted cooling technology.
  • 1.1 kW cooling capacity for effective enclosure heat management.
  • 400/460 V 3-phase AC supply for industrial electrical systems.
  • Durable stainless steel 1.4301 (AISI 304) construction.
  • Integrated e-Comfort controller for precise temperature regulation.
  • Integral electrical condensate evaporation for efficient operation.
  • Suitable for industrial control cabinets and automation enclosures.

Key Features

  • Rittal Blue e wall-mounted cooling unit series.
  • 1.1 kW cooling output at L35 L35 / 50 Hz.
  • 1.25 kW cooling output at L35 L35 / 60 Hz.
  • 400 V 3-phase 50 Hz and 460 V 3-phase 60 Hz rated voltage.
  • Stainless steel 1.4301 (AISI 304) enclosure material.
  • e-Comfort controller with factory setting of +35 °C.
  • Hydrophobic RiNano coated condenser.
  • External circuit air throughput of approximately 950 m³/h.
  • Internal circuit air throughput of approximately 540 m³/h.
  • Wall-mounted design for direct enclosure installation.

Reliable Enclosure Climate Control for Industrial Systems

The Rittal SK3304.640 Blue e cooling unit maintains stable internal cabinet temperatures by transferring heat away from electrical components. This prevents overheating, improves component reliability and supports continuous operation of automation and control equipment.

Designed for modern industrial environments, the Blue e series provides efficient cooling performance with intelligent control features. The robust stainless steel construction makes this unit suitable for applications requiring dependable protection against demanding operating conditions.

Typical Applications

  • Industrial control cabinets and electrical enclosures.
  • Automation and machine-building systems.
  • Manufacturing production lines.
  • Process control equipment.
  • Power distribution and control panels.
  • Outdoor and demanding industrial enclosure installations.

Technical Specifications

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Device Type Wall / door-mounted cooling unit
Mounting Type Wall / door
Refrigerant Type R513A
Housing Material Stainless steel
Coil / Supply Voltage 460 V AC, 3-phase
Voltage 460 V AC
Cooling Output (W) 1100 W
Manufacturer Rittal
Series Blue e Wall-Mounted Cooling Units
Model SK3304.640
Product type Wall-mounted enclosure cooling unit
Cooling output 1.1 kW
Cooling output L35 L35 / 60 Hz 1.25 kW
Rated operating voltage 400 V 3~ 50 Hz / 460 V 3~ 60 Hz
Rated current 2.2 A at 50 Hz / 2.1 A at 60 Hz
External circuit protection IP34
Internal circuit protection IP54
Dimensions (W × H × D) 400 × 950 × 260 mm
Refrigerant R-513A
Temperature control e-Comfort controller
Operating temperature range 10 °C to 55 °C
Mounting type Wall-mounted enclosure installation

Frequently Asked Questions

What is the Rittal SK3304.640 used for?

The Rittal SK3304.640 is used for cooling electrical enclosures and control cabinets to maintain safe operating temperatures for installed components.

What cooling capacity does this unit provide?

The SK3304.640 provides a rated cooling output of 1.1 kW at L35 L35 / 50 Hz conditions.

What power supply does the SK3304.640 require?

The cooling unit operates with a 400 V 3-phase 50 Hz or 460 V 3-phase 60 Hz supply.

What material is the cooling unit made from?

The unit features a durable stainless steel 1.4301 (AISI 304) housing suitable for industrial applications.

Where is this cooling unit installed?

The SK3304.640 is designed for wall-mounted installation on electrical enclosures and control cabinets.

Trusted by Industrial Automation Professionals Worldwide

Rittal Blue e cooling units are widely used by engineers and system builders to provide efficient enclosure cooling, protect electrical equipment and improve the reliability of industrial control systems.