Experience unparalleled reliability and flexibility with the ABB MCB-01B Contact Block. Part of ABB's versatile modular plastic range, this non-illuminated, single contact block is engineered for a longer lifetime and highest mechanical durability. Its self-cleaning contacts ensure maintenance-free operation and increased uptime, while a high degree of protection guarantees performance in extreme environments. The innovative design allows for easy and quick, tool-free installation, making it the perfect solution for any application..The ABB MCB-01B is a rear-mounting, non-illuminated, single contact block with silver (Ag) contacts. It features 0 Normally Open (NO) and 1 Normally Closed (NC) contact configuration and has a voltage rating of 690 V. The existing specifications include a weight of 0.04 kg, width of 0.01 m, height of 0.044 m, and depth of 0.028 m.