Deskripsi
| Range name | Harmony |
| Main function | Block |
| Sub-range name | XB4 |
| Normally Open (NO) auxliary contacts | 1 NO contacts |
| Normally Closed (NC) auxiliary contacts | 1 NC contacts |
| Technical compatibility with | Harmony XB4 |
| Compliant with standard(s) | IEC60947-1 |
| IEC60947-5-1 | |
| IEC60947-5-4 | |
| IEC60947-5-5 | |
| UL508 | |
| CSA C22.2 No 14 | |
| Degree of protection | IP20 |
| Type of terminals | Screw-clamp |
| Functions | Single contact block with body |
| Primary brand | Schneider Electric |
| Secondary brand | Telemecanique |
