This is a 
FIS125NL Current Sensing Transformer , 1:200, 76 mH, 24 A, 700 Vµs, 500kHz, 4.5 ohm product from PULSE ELECTRONICS with the model number FIS125NL
Other details
| Brand | PULSE ELECTRONICS | 
| Part Number | FIS125NL | 
| Quantity | Each | 
| Technical Data Sheet EN |  | 
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.