RS PRO Current Transformer Current Transformer, 300A Input, 300/5A, 5A Output, 21mm Bore, 720V
- RS Stock No.:
- 557-781
- Brand:
- RS PRO
Subtotal (1 unit)*
£6.03
(exc. VAT)
£7.24
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 192 unit(s) shipping from 01 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £6.03 |
*price indicative
- RS Stock No.:
- 557-781
- Brand:
- RS PRO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | RS PRO | |
| Current Ratio | 300/5A | |
| Series | ENT.A20MN | |
| Bore Size | 14mm | |
| Transformer Type | Current Transformer | |
| Sensor Technology | Current Transformer | |
| Supply Voltage | 720 V | |
| Input Current | 50 → 300A | |
| Output Current | 5 A | |
| Select all | ||
|---|---|---|
Brand RS PRO | ||
Current Ratio 300/5A | ||
Series ENT.A20MN | ||
Bore Size 14mm | ||
Transformer Type Current Transformer | ||
Sensor Technology Current Transformer | ||
Supply Voltage 720 V | ||
Input Current 50 → 300A | ||
Output Current 5 A | ||
- COO (Country of Origin):
- TR
RS PRO Current Transformer, Sealable Model, 40A - 300A
RS PRO offers a reliable current transformer designed for measuring and monitoring electrical currents in various applications. With a primary current range of 40A to 300A, this transformer is ideal for use in electrical distribution systems, providing accurate current measurement and protection.
Features and Benefits
Sealable Model: Ensures secure and tamper-proof installation
Compliant with TS EN 61869-2 / IEC 61869-2 Standards: Meets international standards for safety and performance
Maximum Operating Voltage (Un) 720V: Suitable for high-voltage applications
Operating Temperature -5°C to +40°C: Performs reliably in a range of environmental conditions
Rated Power Range 1-7.5 VA: Offers flexibility for various power requirements
Rated Continuous Thermal Current 1.2xIn: Provides enhanced thermal performance
Compliant with TS EN 61869-2 / IEC 61869-2 Standards: Meets international standards for safety and performance
Maximum Operating Voltage (Un) 720V: Suitable for high-voltage applications
Operating Temperature -5°C to +40°C: Performs reliably in a range of environmental conditions
Rated Power Range 1-7.5 VA: Offers flexibility for various power requirements
Rated Continuous Thermal Current 1.2xIn: Provides enhanced thermal performance
Applications
Electrical distribution systems
Busbar and cable installations
Industrial monitoring and control
Busbar and cable installations
Industrial monitoring and control
Additional Information
For Use With: Busbar, Cable
Mounting Type: Base Mount
Bore Size: 21 mm
Dimensions: 64.7 x 47.2 x 56.1 mm
Current Ratio: 300/5 A
Mounting Type: Base Mount
Bore Size: 21 mm
Dimensions: 64.7 x 47.2 x 56.1 mm
Current Ratio: 300/5 A
Why RS PRO?
RS PRO is the own brand of RS, offering professional quality products and solutions across all industries and technologies. Our product range is rigorously tested, inspected, and audited against demanding international standards to provide you with industrial-grade quality, at the right price. Making RS PRO your smart choice.
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