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Three Phase Current Transformer | 250/5 Transformation Ratio | Precision Class 1% | Solid Core Design | @PAK of 1 | by Legrand

BRAND: Legrand
SKU: 412157
$391.00 List price: $487.30
1 PAK ($391.00 per PAK)
+
The Three Phase Current Transformer is designed for accurate measurement in three-phase systems, featuring a transformation ratio of 250/5 A and a precision class of 1%. Ideal for residential and small commercial electrical panels, this solid core transformer ensures reliable performance with screw terminal connections and built-in contact protection, making it perfect for metering applications.
Technical Specifications
  • Rated primary current: 250 A
  • Rated secondary current: 5 A
  • Rated secondary apparent power: 3 VA
  • Power consumption: 3 W
  • Accuracy class: 1%
  • Overcurrent limiting factor: FS 5
  • Height opening: 8 mm
  • Width opening: 8 mm
  • Opening diameter: 8 mm
  • Secondary connection: Screw connection
  • Number of primary inputs: 1
  • Contact protection: Yes
  • Calibrated: Yes
  • Dimensions (H x L x W): 120mm x 80mm x 100mm
  • Weight: 1.2 kg
Key Features
  • Three-phase solid core current transformer
  • Transformation ratio of 250/5 A
  • Precision class 1%
  • Secondary current: 5 A
  • Output power: 3 VA
  • Secondary connected by screw terminals or lugs
  • Contact protection included
  • Calibrated for accurate measurement
Professional Installation Requirements
  • Installation should be performed by a qualified electrician to ensure compliance with electrical safety standards and proper connection.
Applications
  • Residential and small commercial electrical panels
  • Measurement and metering of electrical current in three-phase systems
  • Use with ammeters, electricity meters, and multi-function measuring units
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enables accurate energy monitoring to optimize power usage and reduce waste
  • Supports efficient electrical system management contributing to energy conservation
Warranty Information

Standard manufacturer warranty applies, typically 1 year against manufacturing defects.

Available Now

The Legrand Three Phase Current Transformer CT 250/5 is available for immediate purchase, ideal for residential and small commercial panel metering applications.

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