40 * terminal blocks: 20*a + 20*bTerminal Blocks UK2.5B The UK2.5B universal screw DIN rail terminal block series has the typical features which are decisive compatible with practical applications.It can connect two conductors with ease, even large conductor cross sections are not a problem. Can be used on DIN Rail 35mm, steel or aluminum.Ground Terminal Blocks Connectors The grounding terminal blocks provide an easy-to-identify, convenient, neatly organized grounding bus that is mounted on the DIN rail.The protective terminal blocks has strong clamps to ensure tight fixation on DIN rails to achieve the PE function.35MM DIN Rail Mounting rails and brackets to enhance configuration and installation. Guide rails can be used to install circuit breakers, contactors, surge protectors, modular jacks, motor soft starters, PLC, relays, terminals and other electrical appliances.[Terminal Blocks UK5N]The UK5N universal screw DIN rail terminal block series has the typical features which are decisive compatible with practical applications. Made from engineering flame retardants nylon PA66 with brass screw metal.It can connect two conductors with ease, even large conductor cross sections are not a problem.Terminal Blocks UK2.5B:It can connect two conductors with ease, even large conductor cross sections are not a problem. Can be used on DIN Rail 35mm, steel or aluminum.Rated voltage: 600V, IEC 690V. Rated current: 20A, IEC 32A.Conductor cross-section, solid (AWG): 24-12 conductor cross-section, flexible (AWG): 24-12.Ground Terminal Blocks Connectors:Type: USLKG2.5 Ground Earth Screw Type Terminal Blocks Wire ConnectorApplication:Conduct Electricity, Transmission of Electrical SignalsRated voltage: 600V, IEC 690V; Rated current: 20A, IEC 34A. Large wire funnel entry, Solid Wire (AWG/mm): 24-12, IEC 0.2-4, flexible(AWG/mm): 24-12, IEC 0.2-2.5DIN Rail:Can be installed in all types of terminal boxes, distribution boxes, control cabinets, switchgear, complete sets of equipment, machinery and equipment.colour:Black + gray + red/Gray + silverMaterial:Plastic + metalsize:Thickness : 1.2mm/ 0.047 inchHeight : 7.5mm/ 0.29 inchLength : 200mm/ 7.87 inchWidth : 35mm/ 1.38 inchPackage Contents:40 * terminal blocks4 * ground blocks4 * jumpers8 * E/UK end brackets4 * UK-2.5BG end covers4 * D-UK3/10 End Covers2 * 8 inch aluminum RoHS Rail4 * marker stripOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.