Description

The ABB UA26-30-10RA AC contactor minimizes capacitor inrush and extends system life using serially inserted resistors that engage ahead of the main poles. The design ensures controlled energization without extra inductances and supports frequent switching in PFC applications. For lifecycle services and field upgrades, consider our maintenance and retrofitting services.

Key Specifications

• Model: ABB UA26-30-10RA 220-230 V 50 Hz / 230-240 V 60 Hz

• Contacts: 3 main, 1 auxiliary built in

• Endurance: 250k ops at Ue < 500 V, 100k ops at 500–690 V

• Control: AC operated, laminated magnet circuit

• Supplied: With damping resistors, no extra inductances needed

Highlights

• Controls first and second current peaks on energization

• Stable switching for repetitive PFC duty

• Compact assembly reduces panel space

• Broad accessory portfolio available

Typical Uses

• Modular and stepped capacitor banks

• PFC systems in commercial buildings

• Industrial LV compensation panels

Installation & Support

Delivered ready for wiring and interlocking. ARC Technologies supports commissioning, thermal tuning, and periodic service for ABB PFC systems.