8UC6070-1YQAC | Siemens Castell Interlock Kit Type AC (1 Set = 1 Lock + 1 Key) Suitable For 100 to 250A, 3VT2/3, 3VA10/11/12/20/21/22, VL160X/VL160/VL250 MCCB, 3KT821/22/23, 3KL821/22/23 & 3KA821/22/23 Switch – Siemens
₹10,765.00 Original price was: ₹10,765.00.₹4,951.90Current price is: ₹4,951.90. Excl. GST
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Sourced through authorised channels, the Siemens 8UC6070-1YQAC mccb delivers dependable performance for reliable circuit protection and isolation. Key ratings include 250 A. myelectric.in stocks the 8UC6070-1YQAC | Siemens Castell Interlock Kit Type AC (1 Set = 1 Lock + 1 Key) Suitable For 100 to 250A, 3VT2/3, 3VA10/11/12/20/21/22, VL160X/VL160/VL250 MCCB, 3KT821/22/23, 3KL821/22/23 & 3KA821/22/23 Switch for contractors, panel builders, and project buyers — buy online with GST invoice, or request a bulk quote for domestic supply and export to UAE, Singapore, UK, USA, Sri Lanka and more.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 8UC6070-1YQAC |
| Category | MCCB |
| Series / Model | 3KA |
| Current Rating | 250 A |
| Rated Operational Voltage (Ue) | 415V AC (50/60 Hz) |
| Mounting | Fixed, front connected |
| Rated Frequency | 50/60 Hz |
| Standard | IEC 60947-3, IS 13947-3 |
| IP Rating | IP20 (open execution), IP65 (with enclosure) |
| Voltage Rating | Up to 690V AC |
| 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.
- 3KA82 series: 100–250A, suitable for main incomer in larger LT panels
- 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 8UC6070-1YQAC protect at its rated 250 A?
A: The 8UC6070-1YQAC is rated to carry and protect circuits up to 250 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 250 A rating is used directly. Derate by 20% for ambient temperatures above 40°C.
Q: What trip unit type does the 8UC6070-1YQAC 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 8UC6070-1YQAC 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 8UC6070-1YQAC 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: Which Siemens accessories are compatible with the 8UC6070-1YQAC?
A: The Siemens 3KA series supports snap-on accessories including auxiliary contacts (OF), alarm contacts (SD), shunt trip coils (MX), undervoltage releases (MN), and comb busbars. Accessories are series-specific — always verify compatibility using the Siemens product catalogue before ordering. myelectric.in can advise on the correct accessory part numbers for the 8UC6070-1YQAC.













