SIEMENS ENERGY 5SY41037 Supplementary Protector Device
Siemens 5SY4 supplementary protectors are designed to provide reliable overcurrent protection in a variety of industrial applications. These devices are approved according to UL 1077 and CSA 22.2 No. 235-M 89, making them suitable for use in applications up to 277 V AC (1-pole and 1-pole + N designs) and 480 V AC (2-pole, 3-pole, 3-pole + N and 4-pole designs). The 5SY4 series offers a range of pole configurations and current ratings to meet diverse protection needs. They are ideal for protecting motors, transformers, and other sensitive equipment from overcurrent conditions.