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POWER TRANSFORMERS

TA_P / TA_PA / TA_R / TAC_P / TA_PV split-core current transformers, 20–5000 A

The TA_P, TA_PA, TA_R, TAC_P and TA_PV current transformers have a split core, so they are clipped onto a live cable or busbar without disconnecting the load. The primary current range is from 20 to 5000 A. This is a typical choice when energy monitoring and technical metering are added to an existing board.

Primary current
20–5000 A (depending on model)
Accuracy class
0.5; 1; 3 (TA_P, TA_R); 0.5S (TAC_P, TA_PV); mini — 1 and 3
TA_P
TA30P…TA160P: busbars 30×20–160×80 mm, cable Ø20–Ø135
Mini TA_P / TA_PA
TA10P3…TA50P: cable Ø10–Ø52 mm; output also 250 mA / 333 mV; with lead cable

Technical specifications

Primary current20–5000 A (depending on model)
Accuracy class0.5; 1; 3 (TA_P, TA_R); 0.5S (TAC_P, TA_PV); mini — 1 and 3
TA_PTA30P…TA160P: busbars 30×20–160×80 mm, cable Ø20–Ø135
Mini TA_P / TA_PATA10P3…TA50P: cable Ø10–Ø52 mm; output also 250 mA / 333 mV; with lead cable
TA_R (cast)busbars 30×20–160×80 mm, cable Ø20–Ø80
TAC_P / TA_PVcable Ø40, Ø60, Ø80 mm; 100–4000 A; IP67
Max. operating voltage720 V
Test voltage3 kV AC, 1 min
Secondary currentx/5 A, x/1 A
Frequency50–60 Hz
StandardsIEC 61869-1/-2, IEC 60185, IEC 61010

Replacement for

T-0.66, TShP-0.66, TOP-0.66, TShL-0.66, TNSh-0.66 (current transformers 0.66 kV, 5–5000 A); split-core — TZRL (general type)

selected by purpose and main parameters, please confirm with the manager

Replacement pages: ТНШ-0,66, ТНШ, ТОП-0,66, ТОП, ТШП-0,66, ТШП

Specifications are taken from the manufacturer’s technical documentation. Updated .

Description

The TA_P range includes TA30P, TA40P, TA60P, TA80P, TA85P, TA100P, TA125P, TA135P and TA160P with windows for 30×20–160×80 mm busbars (TA135P — 135×135 mm), Ø20–Ø135 mm cable, roughly 50–5000 A, classes 0.5, 1 and 3. The mini models TA10P3, TA16P2, TA16PA, TA20PA2, TA24P4, TA36P4 and TA50P, for 20–1000 A, take Ø10–Ø52 mm cable. The core is closed with a latch, a secondary lead cable (red S1, black S2) is supplied, and a version with terminals is possible. Besides the standard x/1 A and x/5 A there are 250 mA and 333 mV outputs for instruments with low-level inputs, and TA10P has only these. The cast-housing TA_R are designed for 30×20…160×80 mm busbars and Ø20–Ø80 mm cable, with currents of roughly 200–5000 A. TAC_P and TA_PV of class 0.5S are intended for Ø40, Ø60 and Ø80 mm cable, 100–4000 A, with IP67 protection.

How to choose

Choose by cable diameter or busbar size and by current. Small cables of Ø10–Ø52 mm are covered by the mini models, large busbars by TA160P, and a cast housing is needed with TA_R. For metering of class 0.5S, take TAC_P or TA_PV. If the instrument has a 333 mV or 250 mA input, choose the matching output, for example for the SAM3000 and SAM3001 analyzers. For transformers fitted without taking the line apart, go straight to this series; otherwise the solid TU_R for 25–6000 A will do.

Request a price and lead time

TA_P / TA_PA / TA_R / TAC_P / TA_PV split-core current transformers, 20–5000 A. We reply within one business day.

* — required fields

Or email office@usk.ua or call +38 (044) 339-50-20.

FAQ

Can TA_P be installed without disconnecting the cable?

Yes, the core is opened and closed with a latch, so the transformer is clipped onto a live cable or busbar without taking the current-carrying parts apart.

What secondary outputs do the mini models have?

The standard x/1 A and x/5 A, as well as 250 mA and 333 mV. TA10P is made only with 250 mA and 333 mV outputs.

What protection rating do TAC_P and TA_PV have?

IP67, accuracy class 0.5S, Ø40, Ø60 or Ø80 mm cable for 100–4000 A. The secondary output is a lead cable.

What are the general electrical parameters of these transformers?

Operating voltage up to 720 V, test voltage 3 kV AC for 1 min, frequency 50–60 Hz, Fs < 5, overload 1.2 In, thermal withstand 60 In, dynamic current 2.5 Ith. Insulation class E, class B (130 °C) on request.

Which standards does the series comply with?

IEC 60185, IEC 61010, IEC 61869-1/-2, UNE-EN 61000-6-1 and 61000-6-3, UL94-V0, VDE 0414, DIN 57414 and BS 3938. CE declarations are available for TA_P, TA10P–TA50P, TA_PA and TA_R.

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