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Single Phase Current Transformer CT | 50/5 Transformation Ratio | 1% Accuracy Class | @EA of 1 | by Legrand

BRAND: Legrand
SKU: 412101
$100.40 List price: $125.10
1 EA ($100.40 per EA)
+ −
30 Days Return Delivery Options
The Single Phase Current Transformer (CT) is designed for precise current measurement with a transformation ratio of 50/5, making it ideal for residential and small commercial electrical panels. With a 1% accuracy class and screw terminal connections, this transformer ensures reliable performance in metering applications, supporting efficient energy management and monitoring systems.
Technical Specifications
  • Rated primary current: 50 A
  • Rated secondary current: 5 A
  • Rated secondary apparent power: 1.3 VA
  • Power consumption: 1.3 W
  • Accuracy class: 1%
  • Overcurrent limiting factor: FS 5
  • Height opening: 21 mm
  • Width opening: 21 mm
  • Opening diameter: 21 mm
  • Secondary connection: Screw connection
  • Number of primary inputs: 1
  • Contact protection: Yes
  • Calibrated: Yes
  • Dimensions (H x L x W): 70mm x 40mm x 50mm
  • Weight: 0.3 kg
Key Features
  • Single-phase solid core current transformer
  • Transformation ratio 50/5
  • Rated primary current: 50 A
  • Rated secondary current: 5 A
  • Precision class 1%
  • Output power: 1.3 VA
  • Secondary connected by screw terminals or lugs
  • Can be fixed on plate, EN 60715 rail, or bars
  • Contact protection included
Professional Installation Requirements
  • Installation should be performed by a qualified electrician to ensure compliance with electrical safety standards and proper calibration.
Applications
  • Used in residential and small commercial electrical panels
  • Measurement and metering applications with ammeters, electricity meters, or multi-function measuring units
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Enables accurate energy measurement for efficient energy management
  • Supports energy monitoring systems to reduce power wastage
Warranty Information

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

Available Now

Available for immediate purchase, ideal for use in residential and small commercial electrical panels for precise current measurement.

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