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IME TA540 Solid Core Single Phase Measuring Current Transformer


  • Range 300 to 1200A (1A or 5A Secondary)
  • Busbar window 50.5x12.5mm & 40.5x20.5mm
  • Cable aperture 40mm
  • With fixing feet & DIN rail adaptor
  • Secondary terminals M6 screws and 4.8x0.8mm fast-on
  • Weight 320g
  • Optional sealable terminal cover (ATACOP13)


A primary winding solid core measuring current transformer, supplied with fixing feet/DIN rail clip and integral hinged terminal cover. The TA540 current transformer is supplied with busbar mounting bracket, has a 40mm diameter (50.5x12.5mm & 40.5x20.5mm) aperture, and is available with primary currents from 300 to 1200A.

  • Housing material: self extinguishing polycarbonate
  • Protection degree (EN60529): IP40 housing - IP20 terminals
  • Option: sealable terminal cover
  • Mounting: snap-on 35mm rail, screw type for wall mounting
  • Rail type: top hat TH35-15 (EN60715)
  • Weight: 320 grams (Max.)

  • Passing cable/bus bar primary
  • Fixing on bar: screws, with insulated caps
  • Suggested tightening torque: 0,2Nm
  • 4 screw terminals (max. cable section 6mm) + 2 fast-ons (4,8x0,8)mm
  • Suggested tightening torque: 0,5Nm
  • Suggested tightening max.: 0,8Nm
  • Connections label: primary winding P1(K) – P2(L), secondary winding s1(k) – s2(l)


Additional Information

Manufacturer IME (BTicino)
Product Name / Options Price (ex VAT)
TA54050C300 (300/5A) Call for Prices

TA54050C400 (400/5A) Call for Prices

TA54050C500 500/5A) Call for Prices

TA54050C600 (600/5A) Call for Prices

TA54050C700 (700/5A) Call for Prices

TA54050C750 (750/5A) Call for Prices

TA54050C800 (800/5A) Call for Prices

TA54050D100 (1000/5A) Call for Prices

TA54050D120 (1200/5A) Call for Prices

TA54050C300 (300/1A) Call for Prices

TA54010C400 (400/1A) Call for Prices

TA54010C500 (500/1A) Call for Prices

TA54010C600 (600/1A) Call for Prices

TA54010C700 (700/1A) Call for Prices

TA54010C750 (750/1A) Call for Prices

TA54010C800 (800/1A) Call for Prices

TA54010D100 (1000/1A) Call for Prices

TA54010D120 (1200/1A) Call for Prices