Technical Parameters
Parameter Specification
Product Type Main Contact Kit / Contact Set
Model / Part Number 1SFN165503R1000
ABB Type Designation ZL300
Intended Use Replacement main contacts for appropriate contactor models
Compatible Contactors ABB A300 / AF300 series contactors
Number of Poles 3 poles (for three‑phase circuits)
Included Components Fixed contacts, movable contacts, springs, hardware
Terminal Connection Type Screw terminals
Application Main power switching in contactors
Circuit Type Primary contactor main circuit
Construction Heavy‑duty contact components for electrical load switching
Mounting / Installation Installed inside compatible contactor body
Typical Operating Environment Industrial / commercial electrical control panels
Net Dimensions (approx) 132 mm × 162 mm × 45 mm
Net Weight (approx) ~0.67 kg
Packaging Single kit per package
RoHS Compliance Yes (complies with applicable environmental directives)
The ABB ZL300 Main Contact Kit is a replacement main contact assembly designed for use in compatible ABB contactors (such as A300/AF300 series). It serves as a spare or service part to restore the primary switching contacts of a contactor, ensuring reliable operation of the main power circuit. The kit includes the essential contact elements — fixed and movable contacts, springs, and mounting hardware — needed to maintain or repair the main electrical switching path in three‑phase contactors.