3VM10252ED420AA0 | MCCB 25 A, 4 Pole, 16 kA, Fixed O/L & Fixed S/C Settings, Thermal Magnetic Trip Unit (FTFM) – Siemens
₹20,050.00 Original price was: ₹20,050.00.₹8,822.00Current price is: ₹8,822.00. Excl. GST
Out of stock
Out of stock
Order protection
Buy with complete confidence.
We back each order with genuine supply, on-time dispatch and GST or commercial invoicing as required.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 3VM10252ED420AA0 |
| Category | MCCB |
| Current Rating | 25 A |
| Poles | 4 Poles |
| Breaking Capacity | 16 kA |
| Standard | IEC 60947-2 / IS 13947-2 |
| Certifications | BIS certified, CE, cULus (select models) |
⚡ Key Features
- 16 kA breaking capacity at 415V AC — safely clears bolted three-phase faults in commercial and light industrial switchboards.
- Thermal-magnetic trip unit — factory-calibrated overload and short-circuit protection; suitable for standard feeder circuits without electronic adjustment.
- 4 Poles — three-phase + switched neutral (TN-S system) for full four-pole isolation per IEC 60364.
- 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 3VM10252ED420AA0 protect at its rated 25 A?
A: The 3VM10252ED420AA0 is rated to carry and protect circuits up to 25 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 25 A rating is used directly. Derate by 20% for ambient temperatures above 40°C.
Q: What does the 16 kA breaking capacity on the 3VM10252ED420AA0 mean in practice?
A: Breaking capacity (16 kA) is the maximum prospective short-circuit current the 3VM10252ED420AA0 can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 16 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 3VM10252ED420AA0 use — thermal-magnetic or electronic?
A: The 3VM10252ED420AA0 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 3VM10252ED420AA0 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 3VM10252ED420AA0 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.













Reviews
Clear filtersThere are no reviews yet.