Current Sense Transformers

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Frequency Range	Type	Current Rating (Amps)	Inductance	ET (Volt-Time)	Turns Ratio - Primary:Secondary	Current Ratio	DC Resistance (DCR)	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Termination Style
CR2550-G CURR SENSE XFMR IN-LINE CR Magnetics Inc.	4,121	-	RFQ	Datasheet	CR2550	Bulk	Active	50Hz ~ 400Hz	Non-Invasive (Solid Core)	-	-	-	-	-	-	-	Free Hanging (In-Line)	1.094" L x 0.866" W (27.80mm x 22.00mm)	-	-
CR2SFT-101 CURR SENSE XFMR 100A T/H CR Magnetics Inc.	3,942	-	RFQ	Datasheet	CR2	Bulk	Active	50Hz ~ 400Hz	Non-Invasive (Solid Core)	100 A	-	-	-	100:5	-	-	Chassis Mount	2.681" L x 2.000" W (68.10mm x 44.50mm)	2.681" (68.10mm)	Stud
CR45-G CURR SENSE XFMR PANEL MOUNT CR Magnetics Inc.	1,403	-	RFQ	Datasheet	CR45	Bulk	Active	50Hz ~ 1kHz	Non-Invasive (Solid Core)	-	-	-	-	-	-	-	Panel Mount	0.949" L x 0.461" W (24.10mm x 11.70mm)	1.039" (26.40mm)	-
CR3111-3000 CURR SENSE XFMR 100A IN-LINE CR Magnetics Inc.	2,070	-	RFQ	Datasheet	CR3100	Bulk	Active	20Hz ~ 1kHz	Non-Invasive (Split Core)	100 A	-	-	-	-	390Ohm	-	Free Hanging (In-Line)	1.236" L x 1.220" W (31.40mm x 31.00mm)	1.772" (45.00mm)	Wire Leads
CRZ8410-1K4W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	3,506	-	RFQ	Datasheet	-	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:1000:4	-	57Ohm Secondary	-	Free Hanging (In-Line)	1.083" L x 0.941" W (27.50mm x 23.90mm)	0.37" (9.39mm)	Wire Leads
CRZ8345-1K5W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	2,278	-	RFQ	Datasheet	-	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:1000:5	-	55Ohm	-	Through Hole	1.258" L x 1.201" W (31.95mm x 30.50mm)	0.374" (9.50mm)	PC Pin
CRZ8345-2K5W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	2,144	-	RFQ	Datasheet	-	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:1000:5	-	115Ohm	-	Through Hole	1.258" L x 1.201" W (31.95mm x 30.50mm)	0.374" (9.50mm)	PC Pin
CRZ8445-2K5W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	1,139	-	RFQ	Datasheet	CRZ	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:2000:5	-	115Ohm	-	Free Hanging (In-Line)	1.295" L x 1.201" W (32.90mm x 30.50mm)	0.374" (9.50mm)	Wire Leads
CRZ8445-1K5W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	2,921	-	RFQ	Datasheet	-	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:1000:5	-	55Ohm Secondary	-	Free Hanging (In-Line)	1.295" L x 1.201" W (32.90mm x 30.50mm)	0.374" (9.50mm)	Wire Leads
CRZ8465-1K5W ZERO SEQUENCE CURRENTTRANSFORMER CR Magnetics Inc.	3,206	-	RFQ	Datasheet	-	Box	Active	50Hz ~ 60Hz	Non-Invasive (Solid Core)	-	-	-	1:1000:5	-	-	-	Free Hanging (In-Line)	2.165" L x 2.047" W (55.00mm x 52.00mm)	0.472" (12.00mm)	Wire Leads

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FREQUENTLY ASKED QUESTIONS

Current Sense Transformers FAQ

Common questions about filtering, comparing and sourcing Current Sense Transformers components.

How can I narrow the Current Sense Transformers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Current Sense Transformers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.