Part identity and key rating
The ABB AF75-40-00-72 is a 4-pole contactor with an AC-1 resistive load rating of 105 A, making it suitable for switching heater banks, lighting, and other non-inductive loads in control panels.

ABB AF75-40-00-72 4-pole contactor, AC1 rated 105 A, current lifecycle, 1.25 kg.
| Parameter | Value |
|---|---|
| Weight | 1.25 kgs |
The ABB AF75-40-00-72 is a 4-pole contactor with an AC-1 resistive load rating of 105 A, making it suitable for switching heater banks, lighting, and other non-inductive loads in control panels.
The AF75-40-00-72 is sourced to order against an RFQ. Submit a request for quote to confirm current availability and pricing at the time of order.
The AF75-40-00-72 and A50-40-00-80 are both 4-pole contactors in the same ABB family, but the A50-40-00-80 weighs 0.87 kg versus 1.25 kg for the AF75-40-00-72, indicating a different frame size or coil system. Verify mounting dimensions and coil voltage before substituting without rewiring.
The AF75-40-00-72 is rated 105 A in AC-1 duty, which covers resistive loads such as heaters and lighting banks.
Alternative models and sibling configurations in the same ABB series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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