ERMS and Remote Reset on 800/1200A MCCB OCR share the same terminals which are R11/R22 as below.

If your MCCB was G/E/C/X type which fall into Remote Reset, R11/R22 terminals are for Remote Reset.

If your MCCB was I/T/Q/R type which fall into ERMS, R11/R22 terminals are for ERMS