257-743 WAGO Industrial Automation Components

WAGO 257-743 is an automation part with a short circuit breaking rating and electrical data ratings per IEC/EN 60664-1, including a nominal voltage (III/3) of 250V, rated impulse voltage (III/3) of 4kV, rated voltage (III/2) of 320V, rated impulse voltage (III/2) of 4kV, nominal voltage (II/2) of 630V, rated surge voltage (II/2) of 4kV, and a rated current of 24A. It has UL 1059 approval with rated voltages of 300V and rated currents of 15A for Use Group B and 10A for Use Group D, as well as CSA approval with identical ratings for Use Groups B and D. The part features a single connection point, one level, and utilizes CAGE CLAMP connection technology with push-button actuation. It accommodates solid and fine-stranded conductors ranging from 0.08 to 2.5mm2 (28 to 12 AWG), including options for fine-stranded conductors with both insulated and uninsulated ferrules. The strip length for connections is 5 to 6mm (0.2 to 0.24 inches), and it is designed for a conductor connection direction to PCB of 0°. Physically, it has a pin spacing of 5/5.08mm (0.197/0.2 inches), a width of 7.8mm (0.307 inches), a height of 24.4mm (0.961 inches), a height from the surface of 20.4mm (0.803 inches), and a depth of 14.2mm (0.559 inches). The solder pin length is 4mm, with dimensions of 0.7 x 0.7mm, and it requires a drilled hole diameter with tolerance of 1.1 (+0.1)mm. The part is light gray, made from Polyamide (PA66) with a flammability class per UL94 of V0, and features a chrome-nickel spring steel (CrNi) clamping spring, electrolytic copper (ECu) contact material with tin plating. It has a fire load of 0.018MJ and weighs 1.1g. It operates within a temperature range of -60 to +105°C, is RoHS compliant without exemption, and comes in a box packaging type with a country of origin of PL. The GTIN is 4044918413169, and the customs tariff number is 85369010000.