ABB UA75-30-00-80 Contator tripolar, 75 A, bobina 230V AC 50Hz / 240V AC 60Hz, 37 kW a 400V 1SBL411022R8000

Industrial electricians and panel builders use the ABB UA75-30-00-80 contactor to switch three-phase motors up to 37 kW at 400 V. It mounts on a DIN rail or with screws and fits into motor control centres, HVAC systems and pumping stations.

Key specifications

• 3-pole contactor, 75 A rated operational current (AC-3, ≤440 V)
• Coil voltage: 230 V AC at 50 Hz, 240 V AC at 60 Hz
• Rated operational power: 37 kW at 400 V AC-3
• No auxiliary contacts (0 NO + 0 NC)
• Rated insulation voltage: 1000 V
• Rated impulse withstand voltage: 8 kV
• Mechanical durability: 10 million cycles
• Electrical durability (AC-3): 1.2 million cycles
• Ambient operating temperature: -25 to +55 °C
• Degree of protection: IP20

Why choose it

The UA75 series contactor delivers reliable switching for demanding AC-3 motor loads. Its AC-operated coil works directly on 230 V 50 Hz or 240 V 60 Hz supplies, simplifying control circuits without additional rectifiers. The compact design saves space in enclosures while providing high electrical endurance.

Ideal use cases

• Direct-on-line starting of three-phase motors up to 37 kW
• Control of pumps, fans, compressors and conveyors
• Integration into motor starters and control panels
• HVAC and industrial automation systems

Good to know

The contactor complies with IEC 60947-4-1 and EN 60947-4-1. It is suitable for use in ambient temperatures from -25 °C to +55 °C and can be mounted on 35 mm DIN rail or with screws.