3VM13401AA320AA0 | MCCB (Isolator Type) 400 A, 3 Pole, Switch Disconnector – Siemens

Name: Siemens 400A 3-Pole MCCB Isolator Switch Disconnector | 3VM13401AA320AA0
Brand: Siemens
SKU: 3VM13401AA320AA0
Price: 28179.80 INR
Availability: InStock

SKU: 3VM13401AA320AA0

Original price was: ₹64,045.00.Current price is: ₹28,179.80. Excl. GST

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The Siemens 3VM13401AA320AA0 is a mccb, engineered for reliable circuit protection and isolation in demanding Indian and international installations. Key ratings include 400 A, 3 Poles. Buy the 3VM13401AA320AA0 | MCCB (Isolator Type) 400 A, 3 Pole, Switch Disconnector 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	3VM13401AA320AA0
Category	MCCB
Current Rating	400 A
Poles	3 Poles
Rated Operational Voltage (Ue)	415V AC (50/60 Hz)
Mounting	Fixed, front connected
Rated Frequency	50/60 Hz
Standard	IEC 60947-2 / IS 13947-2
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

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).
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 3VM13401AA320AA0 protect at its rated 400 A?

A: The 3VM13401AA320AA0 is rated to carry and protect circuits up to 400 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 400 A rating is used directly. Derate by 20% for ambient temperatures above 40°C.

Q: What trip unit type does the 3VM13401AA320AA0 use — thermal-magnetic or electronic?

A: Refer to the product label or datasheet for the exact trip unit specification. The trip unit determines adjustability and protection accuracy.

Q: Is the 3VM13401AA320AA0 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 3VM13401AA320AA0 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.

Q: What is the difference between an MCCB and a standard MCB — and why use the 3VM13401AA320AA0?

A: A standard MCB protects against overload and short-circuit only. An MCCB handles much higher fault levels and larger current ratings — MCCBs are rated up to 1600A with 25–200kA breaking capacity, compared to MCBs which are capped at typically 125A and 10kA. Choose the 3VM13401AA320AA0 when the application specifically requires mccb characteristics.