3UL22 Fault safeguard and access.

SIEMENS 3UL22 Fault safeguard and access. Items 1 - 32 de 32 ⍾ SIEMENSÚltima modificación

The Siemens 3UL22 Fault safeguard and access catalog features residual-current transformers designed for external control of ground faults. These components typically have internal diameters of 40mm, 65mm, or 120mm and offer a range of rated fault currents, from 0.3A to 40A. Some models incorporate a pick-up delay window, while others do not. The catalog also includes digital monitoring relays and operating instructions.