The modular switch disconnectors of ST series, allow the breaking and the disconnecting on load of equipment on low voltage at nominal current from 16 to 250 A.
The switch disconnectors of ST series are commonly used for the following purposes:
High breaking capacity (AC 22 A - AC 23 A) double break contacts on each pole, silver plated contacts, captive screws high electrical and mechanical endurance resistant to damp heat IP50 degree of protection ( IP65 under request)
Extremely compact construction, modular execution, basic mounting with 4 screws, or with a 22mm diameter hole (IP65 version only) contact cover included in each package
Fourth neutral pole makes erlier and opens later than the phase contacts. Fourth pole solid neutral. Earth pole. Contemporary pole under request. A 4th Pole (or a solid neutral), or Auxiliary contacts can be installed on each side of the switch disconnector.
The auxiliary contacts are advanced in opening with respect to the power contacts, while the closing can be delayed or simultaneous.
Door interlockhandle, black or emergency handle padlockable, with up to three padlocks in 0 position.
Transport and storage ambient temperature - 25°C + 55°C working ambient temperature - 20°C + 40°C
For other operating conditions please contact the manufacturer.
IEC 60947-1|IEC 60947-3|CEI EN 60947-1|CEI EN 60947-3|UL 508A
UL | IEC | CSA
