3VA1220-6EF32-0AA0 | MCCB 200 A, 3 Pole, 70 kA, Adjustable O/L & Adjustable S/C Settings, Thermal Magnetic Trip Unit (ATAM) – Siemens

Name: Siemens 3VA1220 MCCB 200A 70kA ATAM Trip Unit | 3VA1220-6EF32-0AA0
Brand: Siemens
SKU: 3VA1220-6EF32-0AA0
Price: 39888.20 INR
Availability: OutOfStock

SKU: 3VA1220-6EF32-0AA0

Original price was: ₹90,655.00.Current price is: ₹39,888.20. Excl. GST

Out of stock

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📋 Technical Specifications

Parameter	Value
Brand	Siemens
Part Number / SKU	3VA1220-6EF32-0AA0
Category	MCCB
Current Rating	200 A
Poles	3 Poles
Breaking Capacity	70 kA
Standard	IEC 60947-2 / IS 13947-2
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

70 kA breaking capacity at 415V AC — safely clears bolted three-phase faults in high-power substations and MV/LV transformer secondaries.
Thermal-magnetic trip unit — factory-calibrated overload and short-circuit protection; suitable for standard feeder circuits without electronic adjustment.
3 Poles — three-phase feeder protection; neutral not switched (TN-C / IT systems).
SENTRON 3VA series — optional display module shows current, voltage, and energy; add communication modules for SCADA/BMS integration without external metering.
Manufactured to IEC 60947-2 / IS 13947-2 — 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: What load can the 3VA1220-6EF32-0AA0 protect at its rated 200 A?

A: The 3VA1220-6EF32-0AA0 is rated to carry and protect circuits up to 200 A continuously. For motor loads, ensure the full-load current (FLC) of the motor does not exceed this rating. For resistive loads (heaters, lighting), the 200 A rating is used directly. Derate by 20% for ambient temperatures above 40°C.

Q: What does the 70 kA breaking capacity on the 3VA1220-6EF32-0AA0 mean in practice?

A: Breaking capacity (70 kA) is the maximum prospective short-circuit current the 3VA1220-6EF32-0AA0 can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 70 kA — this is checked using a fault level calculation or from the upstream transformer impedance data. Installing a breaker with insufficient breaking capacity is a serious safety violation.

Q: What trip unit type does the 3VA1220-6EF32-0AA0 use — thermal-magnetic or electronic?

A: The 3VA1220-6EF32-0AA0 uses a thermal-magnetic TMD trip unit — thermal bimetal for overload protection and electromagnetic mechanism for short-circuit. Compact, reliable, and maintenance-free for standard applications.

Q: Is the 3VA1220-6EF32-0AA0 suitable for use as a motor branch circuit protector (Type E coordination)?

A: MCCBs used for motor branch circuit protection must be coordinated with the downstream overload relay for Type 2 coordination (no damage to contactor or relay on short-circuit). Verify the Siemens coordination table for the specific contactor-overload-MCCB combination to confirm Type 1 or Type 2 coordination is achieved.

Q: Can the 3VA1220-6EF32-0AA0 be motorised for remote switching and automation?

A: Yes. Siemens MCCBs in this series support rotary handle adaptation and motorised operating mechanisms as accessories, enabling remote ON/OFF switching via PLC, SCADA, or BMS. Motorised MCCBs are used for automatic load management and remote trip in automated distribution systems.

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