3VA9908-0BB20 | undervoltage release 24 V AC 50/60 Hz accessory for: 3VA1 and 3VA20-26 – Siemens
₹9,275.00 Original price was: ₹9,275.00.₹4,266.50Current price is: ₹4,266.50. Excl. GST
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The Siemens 3VA9908-0BB20 is a mccb, engineered for reliable circuit protection and isolation in demanding Indian and international installations. Key ratings include 24V AC. Buy the 3VA9908-0BB20 | undervoltage release 24 V AC 50/60 Hz accessory for: 3VA1 and 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 | 3VA9908-0BB20 |
| Category | MCCB |
| Voltage Rating | 24V AC |
| Frequency | 60 Hz |
| 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: Can the 3VA9908-0BB20 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 trip unit type does the 3VA9908-0BB20 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 3VA9908-0BB20 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: What is the difference between an MCCB and a standard MCB — and why use the 3VA9908-0BB20?
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 3VA9908-0BB20 when the application specifically requires mccb characteristics.













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