MPN

LEM AT Series Current Transformer, 20A Input, 20:1, 4 → 20 mA Output, 16mm Bore, 20 → 30 V dc

RS Stock No.:: 198-778
Distrelec Article No.:: 303-96-669
Mfr. Part No.:: AT 20 B420L
Manufacturer:: LEM

LEM AT Series Current Transformer, 20A Input, 20:1, 4 → 20 mA Output, 16mm Bore, 20 → 30 V dc

View all Current Transformers

Subtotal (1 unit)*

HK$669.00

FREE delivery for orders over HK$250.00

Temporarily out of stock

240 unit(s) shipping from 27 January 2026
Plus 240 unit(s) shipping from 07 April 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	HK$669.00

*price indicative

RS Stock No.:: 198-778
Distrelec Article No.:: 303-96-669
Mfr. Part No.:: AT 20 B420L
Manufacturer:: LEM

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	LEM
	Current Ratio	20:1
	Series	AT
	Bore Size	16mm
	Supply Voltage	20 → 30 V dc
	Input Current	20A
	Output Current	4 → 20 mA
	Overall Height	67mm
	Overall Width	44.5mm
	Overall Depth	114.5mm
	Minimum Temperature	-20°C
	Maximum Temperature	+60°C
	Mounting Type	Cable Tie

	Select all
	Brand LEM
	Current Ratio 20:1
	Series AT
	Bore Size 16mm
	Supply Voltage 20 → 30 V dc
	Input Current 20A
	Output Current 4 → 20 mA
	Overall Height 67mm
	Overall Width 44.5mm
	Overall Depth 114.5mm
	Minimum Temperature -20°C
	Maximum Temperature +60°C
	Mounting Type Cable Tie

COO (Country of Origin):: TH

AT Series Current Sensors

Current sensors for electronic measurement of alternating currents with galvanic insulation between the primary and secondary circuits.
Output 0 → 5 V; 0 → 10 V or output 4 → 20 mA, RMS value.
Accept cables of up to 16 mm.

Standards

EN 61010-1

Approvals