ACB3WT800A3PMF | Siemens Sentron 3WT ACB 800 A, 3 Pole, 66 kA, Manual Fixed, O/L, S/C & E/F, Microprocessor Trip Unit ETU37WT LSING With Display – Siemens

Name: ACB3WT800A3PMF | Siemens Sentron 3WT ACB 800 A, 3 Pole, 66 kA, Manual Fixed, O/L, S/C &amp; E/F, Microprocessor Trip Unit ETU37WT LSING With Display - Siemens
Brand: Siemens
SKU: ACB3WT800A3PMF
Availability: OutOfStock

SKU: ACB3WT800A3PMF

Original price was: ₹403,775.00.Current price is: ₹185,736.50. Excl. GST

Out of stock

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The Siemens ACB3WT800A3PMF is an air circuit breaker (acb), engineered for reliable circuit protection and isolation in demanding Indian and international installations. Key ratings include 800 A, 3 Poles. Buy the ACB3WT800A3PMF | Siemens Sentron 3WT ACB 800 A, 3 Pole, 66 kA, Manual Fixed, O/L, S/C & E/F, Microprocessor Trip Unit ETU37WT LSING With Display 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	ACB3WT800A3PMF
Category	Air Circuit Breaker (ACB)
Current Rating	800 A
Poles	3 Poles
Breaking Capacity	66 kA
Standards	IEC 60947-3 (disconnectors)
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

800 A current rating — confirmed from product specifications; size wiring and terminals to match or exceed this value.
66 kA short-circuit withstand or breaking capacity — protects the installation at high fault current levels.
Manufactured to IEC 60947-3 (disconnectors), IEC 60898, IS 13947, IS 8828 — complies with Indian BIS and IEC international safety standards.
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 is the significance of the 800 A rating on the ACB3WT800A3PMF?

A: The 800 A rating is the device’s maximum continuous current carrying capacity under specified conditions (typically 40°C ambient). For circuit design, use 80% of this value as the design current to allow for derating due to grouping, temperature, and future load growth.

Q: What does the 66 kA breaking capacity on the ACB3WT800A3PMF mean in practice?

A: Breaking capacity (66 kA) is the maximum prospective short-circuit current the ACB3WT800A3PMF can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 66 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: After a short-circuit trip on the ACB3WT800A3PMF, can it be reset and reused immediately?

A: After a short-circuit trip, do not immediately reset the ACB3WT800A3PMF. First, identify and clear the fault. Then inspect the device — if there is visible arc damage, melted insulation, or the handle does not reset smoothly, the device must be replaced. The 66 kA rated breaking capacity is not unlimited — it is the maximum fault current the device can interrupt safely for a defined number of operations (typically 1–3 at full Icu rating). After any significant fault, factor replacement into your maintenance budget.