The 990340-CPD1 is a terminal block accessory designed for connectors and interconnects. It is part of the Altech Corporation series and comes in a bulk package with a standard package of 50 pieces. This accessory is used to enhance the functionality and ease of use of terminal blocks. It is unaffected by REACH regulations and has a high level of reliability and durability. The 990340-CPD1 is widely used in various electronic applications and is known for its quality and performance. It is an active product in the market and is highly recommended for its compatibility and ease of installation. Please note that this product contains California Prop 65 warning information.