Circular connectors are suited for the toughest requirements in industrial environments that require reliable and rugged solutions.
| Equipment | Benefits | Series |
| Security/Surveillance - Indoors | Multi-contact and hybrid inserts (low/high voltage, coax, fiber optic) reduce space requirements and number of connections. | B Series |
| S Series | ||
| Security/Surveillance - Outdoors | Sealed connectors with electrical, coax or fiber optic contacts for power and signals of closed circuit TV. | E Series |
| K Series |