The 21.311.0953.0 is a 9-pole divisible terminal strip with integrated wire protection (DSI) designed for secure electrical connections in industrial control and distribution applications. This component features an 80 E/905 contact configuration with a spacing of 87 mm (G dimension) and 80 mm (T dimension), providing robust connection points for multiple circuits. The terminal strip is constructed with PA 6/66 insulating housing rated UL 94-V-0, zinc-plated steel clamping body, tin-plated E-copper contact clips with soldered pins, and zinc-plated steel clamping screws. It is rated for 300 V (600 V with optional PVC insulating spacer) and supports AWG wire sizes 22–8 with contact ratings of 10 E (5 E) per the CSA standard. The standard pack quantity is 50 units, making it suitable for medium to large-scale electrical panel assembly, switchgear integration, and modular control system configurations.