3TC4817-0AF4
Siemens 3TC4817-0AF4 DC contactor, size 4, 2 poles, DC-3/DC-5 rated 75A/27kW (440V), control voltage 110VDC, with 2NO+2NC auxiliary contacts, mechanical life 10 million cycles.
Product Positioning
The Siemens 3TC4817-0AF4 DC contactor is a Size 4, 2-pole design from the 3TC4 series. It has a rated current of 75A (DC-3/DC-5), a rated power of 27kW at 440V, and up to 45kW at 750V. The Siemens 3TC4817-0AF4 controls at 110VDC and is equipped with 2NO+2NC auxiliary contacts. Its insulation voltage is 800V.
Core Product Advantages and Features
Size 4 main contactor
The DC-3/DC-5 has a rated current of 75A, a power output of 27kW at 440V, and up to 45kW at 750V.
110VDC coil control
It uses the same control voltage as common models in the same series, which facilitates unified spare parts planning.
High insulation withstand voltage design
Insulation voltage 800V, mechanical life up to 10 million switching cycles.
Complete auxiliary contact
Equipped with 2NO+2NC(22) auxiliary contacts, providing complete monitoring feedback.
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3TC4817-0AF8
Siemens 3TC4817-0AF8 DC contactor, size 4, 2 poles, DC-3/DC-5 rated 75A/27kW (440V), control voltage 100VDC, with 2NO+2NC auxiliary contacts, weight 4.58kg.
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3TC4817-0AB4
Siemens 3TC4817-0AB4 DC contactor, size 4, 2 poles, DC-3/DC-5 rated 75A/27kW (440V), control voltage 24VDC, with 2NO+2NC auxiliary contacts, weight 4.0kg.