Siemens 5SY7440-7

The Siemens 5SY7440-7 is a 4-pole miniature circuit breaker designed to handle up to 40 amps and operate at 400 volts. Featuring a C curve trip characteristic, it offers reliable protection against short circuits and overloads in various electrical installations. With a compact design measuring 70 mm in width, this circuit breaker fits well into control panels and distribution boards. Distributed by BSP Automation, it provides a dependable solution for industrial and commercial electrical systems where precise circuit protection is essential.