Celsa 70030-1185-0250 AST R21 Current Transformer 250/5A 2.5VA Kl. 1

The Celsa current transformer attachment AST R21 250/5A 2.5VA Kl. 1 is designed for efficient primary current measurement of 250 A with a secondary current output of 5 A. It features a line feed-through diameter of 21 mm, making it suitable for integration into existing electrical systems. Typical applications include its use in current loop and Rogowski coil systems for accurate current monitoring and measurement.

Type	Current transformer attachment
Primary Current	250A
Accuracy Class	1
Calibrated	FALSE
Height opening	0-0mm
Line feed-through (H)	0mm
Line feed-through (W)	0mm
Line feed-through diameter	21mm
Misc Attribute	AST R21 250/5A 2.5VA Kl. 1
Model	Attachable current transformer
Number of primary inputs	1
Opening diameter	21mm
Overcurrent limiting factor	FS 5
Rated primary current	250A
Rated secondary apparent power	25VA
Rated secondary current	5A
Secondary connection	Screw connection
Secondary current	5A
Snap mounting	FALSE
Width opening	0-0mm
With contact protection	TRUE
With copper rail	FALSE