3-pole contactors
6 to 630A (AC-3 category) 2.2 kW to 335 kW (AC3/400 V) AC control Embedded auxiliary contacts
4-pole contactors
16 to 125A (AC1 category) AC control
Benefits
Designed to perform the essential motor starter and switching functions Easy choice for simplicity and flexibility Easy to install, easy to order, easy to understand
Applications 3-pole contactors: simple machines for:
HVAC Pumps Telecom GenSet Textile Packaging Conveyer
4-pole contactors:
Switching resistive loads As contactors for Diesel Generator incomer As incomer in a source changeover system requiring neutral isolation Isolating power systems with unearthed or poorly earthed system 2 pole, AC-1 application (using 2 poles in parallel) Changing the polarity of hoisting gear motors