... to 160A, suitable for wide variety of applications. RSA series rotary switches are suitable for: on-off of electrical circuit, change-over ... switch, instrument switch, and main switch. RSA series rotary switches comply with: GB 14048.3, GB 14048.5, and IEC60947-5-1. RSA ... series rotary switches have six current ratings: 20A, 25A, 32A, 63A ...