The Atman TRF 4000 VA is a three-phase open-type isolation transformer with a 230V/230V ratio, designed for continuous duty in air under normal ambient conditions. It addresses industrial and technical installations requiring galvanic separation between three-phase circuits.

Carrying an isolation voltage rating of 3750V AC and insulation classes B, F, and H, it meets high electrical isolation requirements. The Class I safety rating and 300×200×150mm enclosure support mounting in industrial panels and standard electrical cabinets.

Key Features

• Three-phase open-type construction with 230/230V ratio
• Isolation voltage: 3750V AC (at primary voltage 450V)
• Maximum primary voltage: 1000V AC
• Maximum secondary voltage: 500V AC
• Insulation class: B, F, H
• Protection degree: IP 00
• Continuous operation capability

Product Benefits

• 3750V AC isolation voltage delivers a robust safety margin for three-phase circuit isolation
• Open-type construction ensures effective natural heat dissipation during continuous use
• Class I safety classification meets standard electrical installation compliance requirements
• Multi-class insulation (B, F, H) adapts to a range of operating temperature conditions
• Continuous operation rating enables use in permanently energised industrial installations

Technical Specifications

• Type: Three-phase isolation transformer, open type
• Model: TRF 4000 VA 230/230V
• Maximum Power: 40000VA
• Primary Voltage: 230V / maximum 1000V AC
• Secondary Voltage: 230V / maximum 500V AC
• Isolation Voltage: 3750V AC (for primary voltage 450V)
• Safety Class: Class I
• Insulation Class: B, F, H
• Operation: Continuous, in air, normal ambient conditions
• Protection Degree: IP 00
• Dimensions: 300×200×150mm

Why You'll Love It

• 300×200×150mm footprint integrates into standard industrial panel layouts without special mounting modifications
• Open design supports passive cooling, reducing maintenance compared to fan-cooled alternatives
• Class I certification facilitates deployment in regulated and safety-critical environments
• Package includes: 1× Atman TRF 4000 VA 230/230V three-phase isolation transformer