ETI SSQ 225 load break switch 2P 25A 1-0-2 (2421424)

The ETI SSQ 225 load break switch is designed for manual switching of electrical circuits in a three-position 1-0-2 configuration. This operating scheme allows the load to be connected to one of two sources or completely disconnected in the middle position, which is important in distribution boards, reserve power systems, input-distribution assemblies, and other low-voltage installations where clear and safe mechanical switching is required. The device belongs to the SSQ 225 series and is rated for a current of 25 A at an AC voltage of 400 V. Two poles make it suitable for switching two-wire circuits, while the 50/60 Hz rated frequency ensures compatibility with standard power networks. In practical use, this type of switch is applied where circuit isolation and source selection must be performed without automatic control devices. The product supports conductor cross-sections up to 16 mm², which expands its use in circuits matched to the specified current load. The IP20 protection degree indicates protection against access to hazardous live parts by a finger and against solid objects of a defined size, so installation is intended for enclosed electrical cabinets or other protected mounting areas rather than exposed environments. Compliance with IEC 60947-3 confirms that the apparatus is intended for switching, isolating, and changing over low-voltage electrical circuits. For system designers and installers, this means the switch can be used as a dedicated load breaking and disconnecting element in arrangements that require a simple three-position control interface. The 1-0-2 switching logic is especially useful where it is necessary to alternate between two lines or sources while keeping a neutral off position for full disconnection. Overall, the ETI SSQ 225 is a two-pole, 25 A load break switch with 400 V AC rated voltage, IP20 protection, 16 mm² conductor connection capability, and 50/60 Hz operation. These parameters define its use in low-voltage power distribution and manual source selection tasks within controlled indoor electrical installations.