Lumel Current Transformer Cross Reference

The Polish LCTM, LCTR and LCTB frames, sorted by how the primary passes through. Reference only.

Reference page. Lumel Current Transformer Cross Reference is described here so buyers can identify an existing part. It is not sold by QIANWEI®.

Wound primaryLCTM 62/W (40), LCTM 74/W (45)
Round conductorLCTR 45/14, LCTR 50/14, LCTR 62/R
BusbarLCTB 45, LCTB 50, LCTB 62, LCTB 74, LCTB 86, LCTB 100
Accuracy class0.2, 0.5, 1
StatusReference only, not sold by QIANWEI

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Product Overview

Lumel current transformers are available with a 5 A or 1 A secondary current, in accuracy class 0.2, 0.5 and 1. The transformer housings are made of special flame retardant material with high mechanical strength.

The range divides into wound primary series (LCTM), round conductor series (LCTR), busbar series (LCTB), split core series and three phase series.

Specifications

Busbar series ranges

Model	Order code	Primary range
LCTB 45	LCTB 45/21 (40)	Rail or round conductor primary
LCTB 50	LCTB 50/21 (30), 50/30 (30), 50/21 (50)	Up to 600 A
LCTB 62	LCTB 62/40 (40)	Up to 800 A
LCTB 74	LCTB 74/20 (45)	30 A to 400 A
LCTB 74	LCTB 74/30 (45)	30 A to 800 A
LCTB 74	LCTB 74/40 (45)	40 A to 1000 A
LCTB 74	LCTB 74/50 (45)	100 A to 1000 A
LCTB 86	LCTB 86/40 (45)	50 A to 1000 A
LCTB 86	LCTB 86/50 (45)	100 A to 1250 A
LCTB 86	LCTB 86/60 (45)	100 A to 1600 A
LCTB 100	LCTB 100/100V (45)	400 A to 2500 A