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Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
  • Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5
Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5

Clamp / Split-Core Current Transformer LMCK-24 • 400/5A • Accuracy Class 0.5

GH₵220.00 GH₵265.00

Product Description

Overview

The LMCK-24 400/5A Accuracy Class 0.5 is a high-precision, clamp-on (split-core) current transformer built to accurately meter up to 400 A in AC electrical systems, converting it to a 5 A secondary. With Class 0.5 accuracy, it offers very low error under rated current, making it suitable for demanding metering or billing applications.

Key Features

  • Primary Current Rating: 400 A AC

  • Secondary Current Rating: 5 A AC — ratio of 400:5

  • Accuracy Class: 0.5 (±0.5% typical) — ensures high precision under rated and near-rated load

  • Design: Split-core (clamp-on) — allows retrofitting, installation without disconnecting the primary conductor

  • Round Window / Inner Diameter: (typical LMCK-24 standard) ~24 mm window — suitable for many cable / conductor sizes

  • Housing: Flame-retardant plastic, moisture-protected, stable under typical ambient conditions — minimal maintenance required

  • Safety / Construction: Insulated, robust clamp mechanism; similar to others in LMCK series. Confirm isolation rating and insulation strength.

Technical Specifications (Typical / Expected)

Specification Value / Comment
Ratio 400 A : 5 A
Accuracy Class 0.5 (±0.5%) at rated current
Window / Aperture Size ~24 mm (LMCK-24)
Rated Frequency 50 / 60 Hz (confirm with supplier)
Frequency Response / Measuring Range Perhaps ~10% to 120-130% or more of rated primary (common for such CTs)
Housing Material Flame retardant plastic (e.g. ABS or similar)
Maximum Burden (VA) To confirm — CT datasheet will give permissible load on secondary
Operating Temperature Range Confirm supplier spec (e.g. -20°C to +60°C or similar)
Insulation / Dielectric Strength Confirm per manufacturer (e.g. isolation voltage)
Safety Notes Never leave secondary circuit open when primary is live; ensure correct installation

Applications

  • Precision metering in switchboards, mains distribution, panel meters

  • Billing / energy-use measurements where low error is required

  • Integration with advanced power analyzers, SCADA, building management systems

  • Retrofitting existing installations without breaking circuits

Installation & Safety Guidelines

  • Ensure conductor / busbar passes through clamp opening without tight deformation

  • Always terminate the secondary in a suitable load (meter/burden) — do not operate with secondary open

  • Secure clamp tightly; ensure mechanical stability

  • Keep CT away from strong external magnetic influences or high stray fields

  • Follow local codes and safety standards

Benefits

  • High accuracy (Class 0.5) reduces measurement error — good for precision monitoring & billing

  • Clamp-on design means easier installation, less downtime

  • Durable build, low maintenance

  • Compatible with standard secondary devices expecting 5 A

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