Siemens 3TF50 three‑pole AC magnetic power contactor, 110 A, 600 V rating with AC operating coil (labelled coil block on rear), in good working used condition.
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Brand: Siemens
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Series: World Series 3TF AC contactors
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Model: 3TF50 (exact coil code not fully visible; see photos for coil label)
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Type: 3‑phase power contactor for motor control
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Main contacts: 3‑pole, 3NO (L1‑L2‑L3 / T1‑T2‑T3)
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Rated current: 110 A at 600 V AC (AC‑1/continuous)
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Motor rating (typical): 50 HP at 230 V, 100 HP at 460 V, 125 HP at 575 V 3‑phase
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Auxiliary contacts: 2 NO + 2 NC integrated (22 configuration, per front plate data)
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Standards: IEC 947 / VDE 0660 and UL/CSA industrial control equipment
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Coil: Siemens plug‑in coil block fitted on rear; exact voltage not fully readable in photos, so buyer should verify from the coil label (e.g. 110/120 V AC or 230 V AC depending on variant).
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Country of manufacture: Made in Germany (rear rating label on base)
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Used, good working condition removed from a functioning installation.
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Housing and terminals show normal signs of use: dust, minor discoloration and cosmetic scuffs; no visible cracks, broken parts, or signs of overheating on terminals or contact chambers.
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Coil and mechanism actuate correctly when operated manually; auxiliary block and terminal covers are intact.
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Heavy‑duty contactor suitable for large three‑phase motors or power distribution where a 110 A / 600 V contactor is required, when paired with appropriate overload protection and fusing according to Siemens data.
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Coil voltage and any special options (e.g. surge suppressor on coil) should be confirmed from the close‑up coil label visible in the listing photos before ordering; replacement coils for 3TF50 are available under the 3TY75… series if needed.
