Technical Parameters
General
Product type: 3-pole power contactor
Main contacts: 3 NO
Auxiliary contacts: 1 NO + 1 NC
Mounting type: Fixed, block-type
Application: Motor control, power switching, industrial loads
Coil / Control Circuit
Rated control voltage (Uc): 100–250 V AC (50/60 Hz) / 100–250 V DC
Coil technology: AF electronic wide-range coil
Built-in surge suppression: Yes
Main Circuit Ratings
Rated operational voltage (Ue): Up to 1000 V AC
Rated insulation voltage (Ui): 1000 V
Impulse withstand voltage (Uimp): 8 kV
Current Ratings
AC-1 (resistive load): approx. 1350 A
AC-3 (motor duty): approx. 800–860 A depending on voltage
Rated motor power:
~475 kW @ 400 V
up to ~800 kW @ 690 V
Withstand Ratings
Short-time withstand current (Icw):
8000 A for 10 seconds
6000 A for 30 seconds
Mechanical / Environmental
Mechanical endurance: approx. 500,000 operations
Operating temperature: −25°C to +50°C (typical)
Storage temperature: −40°C to +70°C
Degree of protection: IP20 (terminals), body per standard industrial rating
Design Features
Electronic wide-range coil tolerant of fluctuations
Low power consumption
Modular accessory compatibility
Pre-mounted main circuit bars and auxiliary contacts
The ABB AF1350-30 is a heavy-duty three-pole power contactor designed for switching and controlling high-power electrical loads, including large three-phase motors and industrial power circuits. It belongs to ABB’s AF series, featuring electronically controlled coils that provide stable performance over a wide control-voltage range. The contactor incorporates built-in surge protection, reduced coil power consumption, and improved reliability under voltage fluctuation conditions.