3TF5200-0AF0 | Siemens Sicop 3TF Hoisting Duty Power Contactor 170A, 3 Pole, 110VAC, 2 NO + 2 NC – Siemens

Name: 3TF5200-0AF0 | Siemens Sicop 3TF Hoisting Duty Power Contactor 170A, 3 Pole, 110VAC, 2 NO + 2 NC - Siemens - myelectric.in
Brand: Siemens
SKU: 3TF5200-0AF0

SKU: 3TF5200-0AF0

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The Siemens 3TF5200-0AF0 is a contactor, engineered for motor control and switching in demanding Indian and international installations. Key ratings include 170 A, 110V AC, 3 Poles. Buy the 3TF5200-0AF0 | Siemens Sicop 3TF Hoisting Duty Power Contactor 170A, 3 Pole, 110VAC, 2 NO + 2 NC online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.

📋 Technical Specifications

Parameter	Value
Brand	Siemens
Part Number / SKU	3TF5200-0AF0
Category	Contactor
Contact Configuration	2 NO + 2 NC
Current Rating	170 A
Voltage Rating	110V AC
Poles	3 Poles
Utilisation Category	AC-3 (motor duty) / AC-1 (resistive)
Rated Frequency	50/60 Hz
Motor Power (AC-3, 415V)	Up to 90 kW
Coil Operating Range	0.8–1.1 × rated coil voltage (Uc)
Mounting	35mm DIN rail or screw fixing
Standard	IEC 60947-4-1 / IS 13947-4-1
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

170 A AC-3 rated — suits up to a 90 kW squirrel-cage induction motor at 415V for direct-on-line (DOL) starting and running.
3 Poles main contacts with silver-alloy (AgSnO₂) tips — rated for AC-3 duty (DOL motor starting/stopping); low contact resistance reduces heat at rated current.
Manufactured to IEC 60947-4-1 / IS 13947-4-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
BIS certified, CE, cULus (select models) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Siemens product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

❓ Frequently Asked Questions

Q: Is the 3TF5200-0AF0 rated 170 A for AC-3 motor duty or AC-1 resistive duty?

A: The 170 A rating of this Siemens contactor applies to AC-3 duty (squirrel cage motor starting and running). For AC-1 (resistive/non-inductive) loads, the current can be up to ~1.3× the AC-3 rating. AC-4 (plugging/reversing) requires significant de-rating — consult the Siemens selection table.

Q: What does the 2 NO + 2 NC contact configuration on the 3TF5200-0AF0 mean?

A: This device has both Normally Open (NO) and Normally Closed (NC) contacts. NO contacts close when the device operates (energised/tripped); NC contacts open. This allows both start-interlock and stop-interlock circuits from a single device.

Q: Can multiple 3TF5200-0AF0 contactors be wired for star-delta starting?

A: Yes. Star-delta starters use three contactors: main (KM1), star (KM2), and delta (KM3). The Siemens contactor series supports mechanical and electrical interlocking accessories that prevent simultaneous energisation of star and delta contactors — critical for safety. Ensure all three contactors are rated correctly for the motor FLC and star-delta transition current.

Q: What is the electrical and mechanical life of the 3TF5200-0AF0?

A: Siemens contactors are rated for millions of operations: typically 10–30 million mechanical operations and 1–3 million electrical operations at rated current and voltage (AC-3 duty). High-frequency switching applications (>10 operations/hour) require checking the specific thermal capacity of the contactor for continuous duty without overheating.

Q: Can the 3TF5200-0AF0 be used for reversing duty (forward/reverse motor control)?

A: Contactors used for reversing must be wired with two contactors interlocked so only one can energise at a time. The Siemens series provides mechanical interlock kits that physically prevent both contactors from closing simultaneously — mandatory for reversing and brake applications to prevent phase-to-phase short circuits.