Network-aggregate modular switch I-O-II 40A 4-pole SSQ 440 002421445

Modular switch for reliable power supply

This four-pole SSQ 440 modular switch with a rated current of 40A is a key element of electrical installations, providing safe and efficient switching of power sources. Designed for mounting on a TH35 rail, it works well in both new and modernized installations. Its three-position design (I-0-II) allows easy switching between the mains and a generator, and the "0" position ensures complete disconnection of the load.

Functionality and safety in one

The SSQ 440 switch is not only a circuit connecting element, but above all a guarantee of uninterrupted power supply in emergency situations. Thanks to the possibility of sealing in the I or II position, it can be protected against accidental change of settings. A contact gap greater than 3 mm ensures a high level of safety during load switching. The product meets the PN-IEC 60947-3 standard, which confirms its compliance with applicable quality and safety standards.

Installation and application – for professionals and users

The switch is designed for mounting in distribution boards equipped with TH35 rails, which facilitates and speeds up installation. It accepts both stranded wire (1.5 - 10 mm²) and solid wire (1.5 - 16 mm²), providing flexibility in cable selection. The IP20 degree of protection provides protection against accidental contact. It is ideal for use in residential, commercial and industrial facilities where reliable power supply is crucial – e.g. in hospitals, data centers or production plants. The ability to operate in any position further increases its versatility.