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RS PRO Isolation Transformer 1 Output 300 VA Dual Primary 24-0-24V AC IEC61558-2-4 504-145
Specifications
| Country of Origin | Poland |
|---|---|
| Brand | RS PRO |
| Length | 120mm |
| Model | 504-145 |
| Depth | 130mm |
| Gross Weight | 6.9kg |
| Width | 143mm |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -30°C |
| Number of outputs | 1 |
| Winding Type | Dual Primary, Dual Secondary |
| Standards/Approvals | IEC61558-2-4 |
| Fixing Hole Diameter | 6.5mm |
| Primary Voltage | + 15 - 0 - 230 - 400V ac |
| Secondary Voltage | 24 -0 - 24V ac |
| Minimum Operating Frequency | 50Hz |
| Maximum Operating Frequency | 60Hz |
Key Features
- Designed for reliable galvanic isolation in industrial and laboratory applications.
- Dual primary winding allowing flexible input voltage configuration between 230 and 400V AC plus +15V tap.
- Provides one output with dual secondary winding for 24-0-24V AC operation.
- High efficiency, low regulation design ensures stable performance and reduced noise transmission.
- Large 6.5mm fixing holes for secure chassis mounting and easy installation.
- Rated for 300 VA maximum power suitable for demanding control circuits.
- Fully shrouded cage clamp terminals, clearly marked for voltage connections and safety.
- Varnish impregnation protects against humidity and rust for increased longevity.
Product Description
The RS PRO 504-145 Isolation Transformer delivers robust electrical isolation between AC mains and connected devices, making it suitable for critical applications in industrial automation, laboratory equipment, and control panels. Its dual primary winding enables flexible input voltage selection: you can configure it for 230V AC or 400V AC, with a +15V tap for specialized setups, greatly enhancing compatibility with diverse electrical systems.
This transformer features a single output channel with dual secondary windings, supplying 24-0-24V AC, which is ideal for control circuits and general-purpose isolation needs. With a rated power of 300 VA, it provides enough capacity for high-demand loads while maintaining a low regulation and reduced electrical noise between input and output circuits.
The build quality includes fully shrouded cage clamp terminals with clear voltage markings for safe, efficient wiring. Fixing holes with a diameter of 6.5mm make it easy to securely mount the unit to your equipment chassis. Construction incorporates varnish impregnation for superior resistance to humidity and corrosion, extending product lifespan in challenging environments.
RS PRO's isolation transformer is electrically and flash tested in compliance with BS EN 61558-1 and IEC61558-2-4 safety standards, offering confidence for installers and engineers. Typical use cases include medical equipment where precise isolation is critical, laboratory testing gear, relay/pump/heater circuits, and any scenario requiring reliable transfer of power between isolated circuits.
Thanks to its thoughtful design, robust protection features, and flexible input/output configuration, this transformer stands out for both performance and longevity. Panel builders, automation specialists, and equipment manufacturers will appreciate its safety, ease of installation, and consistent output characteristics.
Browse the full RS PRO transformer range in the Chassis Mounting Transformers category on EnvMart for more reliable industrial power solutions.
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Frequently Asked Questions
It has a maximum power rating of 300 VA, suitable for demanding control circuits.
This transformer features a dual primary winding that allows flexible input voltage configuration between 230V AC and 400V AC, with a +15V tap for specialized setups.
It provides one output with dual secondary windings for 24-0-24V AC operation, making it ideal for control circuits.
The transformer measures 120mm in length, 143mm in width, and 130mm in depth.
The gross weight of this isolation transformer is 6.9 kg.
It can operate within a temperature range of -30°C to 70°C.
It is electrically and flash tested in compliance with BS EN 61558-1 and IEC61558-2-4 safety standards.
It features large 6.5mm fixing holes for secure chassis mounting, making installation straightforward.
The minimum operating frequency is 50Hz, and the maximum is 60Hz.
It has dual primary and dual secondary windings, allowing for versatile voltage configurations and outputs.
It is suitable for critical applications in industrial automation, laboratory equipment, and control panels, particularly where reliable electrical isolation is required.
It includes fully shrouded cage clamp terminals with clear voltage markings for safe wiring, enhancing user safety during installation.
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