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Pfannenberg Air/Water Heat Exchanger Ecool PWT 6402 400V 2~ 7035PWT 6402 400V 2~ 7035
Pfannenberg PWT 6402 400V 2~ 7035 air/water heat exchanger with 3.8 kW cooling capacity designed for industrial control cabinet thermal management.
£2,053.60
Why Choose the Pfannenberg PWT 6402 400V 2~ Air/Water Heat Exchanger?
The Pfannenberg PWT 6402 400V 2~ 7035 is a powerful and reliable air/water heat exchanger designed for efficient cooling of industrial electrical enclosures, control cabinets and automation systems. As part of the advanced Pfannenberg E-Cool PWT air/water heat exchanger series, it provides dependable thermal management for applications requiring high cooling performance, compact installation and compatibility with existing water cooling systems.
The PWT series transfers heat from the enclosure air into a controlled water circuit, preventing heat losses from being released into the surrounding environment. Integrated temperature monitoring, thermostat control and solenoid valve technology provide efficient operation and reliable protection for sensitive electrical components in demanding industrial environments.
With a cooling capacity of 3.8 kW and a 400 V AC 2-phase supply, the PWT 6402 400V 2~ is suitable for industrial control cabinets, production machinery and automation systems. Its compact top-mounted design with dimensions of 274 mm × 796 mm × 584 mm allows straightforward installation while maintaining effective enclosure cooling.
Key Advantages
- High-performance air/water heat exchanger for industrial control cabinets.
- 3.8 kW cooling capacity for reliable thermal management.
- 400 V AC 2-phase operation for industrial power systems.
- Integrated temperature monitoring with alarm contact.
- Integrated thermostat and solenoid valve for energy-efficient temperature control.
- Top-mounted design with condensate management for cabinet applications.
- Compatible with chillers and existing cooling circuits.
- Suitable for oily, aggressive and high-temperature industrial environments.
Key Features
- Pfannenberg E-Cool PWT air/water heat exchanger series.
- 3.8 kW rated cooling capacity at 400 l/h water flow.
- 400 V AC 2-phase rated supply voltage.
- 50 / 60 Hz operating frequency.
- Integrated temperature alarm and monitoring system.
- Integrated thermostat and solenoid valve.
- High airflow rate with flow-optimised fan design.
- RAL 7035 powder-coated housing.
- Top mounting cabinet installation.
- Maintenance-friendly design with accessible fan and solenoid valve.
Reliable Cooling for Industrial Control Systems
Air/water heat exchangers such as the Pfannenberg PWT 6402 provide efficient cabinet cooling by transferring enclosure heat into a controlled water circuit. This allows electrical components, drives and automation equipment to operate reliably within safe temperature limits without increasing ambient room temperatures.
The E-Cool PWT series is designed for machine builders, control panel manufacturers and automation engineers requiring dependable cooling performance and simple integration. Its compact design, high protection level and compatibility with existing cooling systems make it suitable for modern industrial installations.
Typical Applications
- Industrial control cabinets.
- Machine-building and automation systems.
- Production and manufacturing equipment.
- Electrical enclosures with high heat loads.
- Industrial process machinery.
- Automation panels with existing water cooling infrastructure.
Technical Specifications
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| Mounting Type | Roof | |
|---|---|---|
| Device Type | Air/water heat exchanger | |
| Housing Material | Steel | |
| Coil / Supply Voltage | 400 V AC, 3-phase | |
| IP Rating | IP55 | |
| Voltage | 400 V AC | |
| Cooling Output (W) | 3800 W | |
| Manufacturer | Pfannenberg | |
| Series | E-Cool PWT Air/Water Heat Exchangers | |
| Model | PWT 6402 400V 2~ 7035 | |
| Part number | 12813409055 | |
| Product type | Air/water heat exchanger | |
| Rated voltage | 400 V AC | |
| Input phases | 2-phase | |
| Frequency | 50 / 60 Hz | |
| Power consumption | 195 W / 242 W | |
| Current consumption | 0.55 A / 1.55 A | |
| Airflow | 1135 m³/h (free flow) | |
| Ambient temperature range | +1...+70 °C | |
| Water inlet temperature | +1...+35 °C | |
| Control range | +8...+50 °C | |
| Maximum operating pressure | 10 bar | |
| Housing material | Galvanised steel with electrostatic powder coating | |
| Heat exchanger design | Copper pipe with aluminium fins | |
| Colour | RAL 7035 | |
| Mounting type | Top mounting | |
| Dimensions (H × W × D) | 274 × 796 × 584 mm | |
| Weight | approx. 37 kg |
Frequently Asked Questions
What is the Pfannenberg PWT 6402 400V 2~ used for?
The PWT 6402 400V 2~ is used for cooling industrial electrical enclosures, control cabinets and automation equipment using a water-based cooling circuit.
What cooling capacity does this heat exchanger provide?
The Pfannenberg PWT 6402 400V 2~ provides a rated cooling capacity of 3.8 kW at 400 l/h water flow.
What supply voltage does the PWT 6402 400V 2~ require?
The unit operates from a 400 V AC 2-phase supply at 50 / 60 Hz.
What protection rating does this heat exchanger provide?
The PWT 6402 provides IP55 protection towards the electrical enclosure when installed according to manufacturer specifications.
Where is this heat exchanger installed?
The PWT 6402 is designed for top mounting on industrial electrical cabinets and enclosures.
Trusted by Industrial Automation Professionals
Pfannenberg E-Cool PWT air/water heat exchangers are widely used by machine builders and industrial engineers to provide efficient cabinet cooling, reliable thermal management and long-term protection for automation equipment.
