3VA9988-0AA11 | auxiliary switch changeover contacts type HP (14 mm) accessory for: 3VA11-15; 3VA20-26 – Siemens

Name: Siemens 3VA9988-0AA11 Auxiliary Switch | 14mm HP Changeover
Brand: Siemens
SKU: 3VA9988-0AA11
Price: 2313.80 INR
Availability: InStock

SKU: 3VA9988-0AA11

Original price was: ₹5,030.00.Current price is: ₹2,313.80. Excl. GST

In stock

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The Siemens 3VA9988-0AA11 is a mccb, engineered for reliable circuit protection and isolation in demanding Indian and international installations. Buy the 3VA9988-0AA11 | auxiliary switch changeover contacts type HP (14 mm) accessory for: 3VA11-15; 3VA20-26 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	3VA9988-0AA11
Category	MCCB
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.
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 trip unit type does the 3VA9988-0AA11 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 3VA9988-0AA11 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 3VA9988-0AA11 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 3VA9988-0AA11?

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 3VA9988-0AA11 when the application specifically requires mccb characteristics.