DU250/DU250C/DN1/DN2 MCCB Accessory – 3P Spreader Terminals upto 250A | L&T – ST98053OOOO

Name: L&T 3P Spreader Terminals for MCCB, 250A | ST98053OOOO
Brand: Lauritz Knudsen (L&T)
SKU: ST98053OOOO
Price: 2610.00 INR
Availability: InStock

SKU: ST98053OOOO

₹2,610.00 Excl. GST

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Sourced through authorised channels, the ST98053OOOO ST98053OOOO mccb delivers dependable performance for reliable circuit protection and isolation. Key ratings include 250 A, 3 Poles. myelectric.in stocks the DU250/DU250C/DN1/DN2 MCCB Accessory – 3P Spreader Terminals upto 250A | L&T 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	ST98053OOOO
Part Number / SKU	ST98053OOOO
Category	MCCB
Current Rating	250 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 where applicable

⚡ 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 where applicable — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised ST98053OOOO 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 ST98053OOOO protect at its rated 250 A?

A: The ST98053OOOO 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 ST98053OOOO 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 ST98053OOOO 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 ST98053OOOO coordination table for the specific contactor-overload-MCCB combination to confirm Type 1 or Type 2 coordination is achieved.

Q: Can the ST98053OOOO be motorised for remote switching and automation?

A: Yes. ST98053OOOO 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 ST98053OOOO?

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 ST98053OOOO when the application specifically requires mccb characteristics.