AU SPD Imax 40kA 3P+N 400V AC Type 2 | L&T – AUSP023PN40

Name: L&T SPD Imax 40kA 3P+N Type 2 Surge Protection | AUSP023PN40
Brand: Lauritz Knudsen (L&T)
SKU: AUSP023PN40

SKU: AUSP023PN40

17 People watching this product now!

Order protection

Buy with complete confidence.

We back each order with genuine supply, on-time dispatch and GST or commercial invoicing as required.

Buyer protection on every order

Global DeliveryShipped pan-India and to export markets.

On-Time DeliveryPacked and dispatched on schedule.

100% OriginalFrom brand-authorised channels only.

GST InvoiceCompliant, ITC-ready tax invoice.

Secure PaymentEncrypted, trusted payment gateways.

Also included Dedicated account manager Technical support Bulk & business pricing 3-day replacement

Sourced through authorised channels, the AUSP023PN40 AUSP023PN40 surge protection device (spd) delivers dependable performance for reliable circuit protection and isolation. Key ratings include 400V AC, 3 Poles + Neutral (3P+N). myelectric.in stocks the AU SPD Imax 40kA 3P+N 400V AC Type 2 | 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	AUSP023PN40
Part Number / SKU	AUSP023PN40
Category	Surge Protection Device (SPD)
Voltage Rating	400V AC
Poles	3 Poles + Neutral (3P+N)
Breaking Capacity	40 kA
Rated Frequency	50/60 Hz
Standard	IEC 61643-11
Certifications	BIS certified where applicable

⚡ Key Features

400V AC maximum continuous operating voltage (Uc) — remains permanently connected to the live supply; clamping only activates during overvoltage events.
MOV (Metal Oxide Varistor) clamping technology — responds in nanoseconds (< 25ns) to clamp transient overvoltages before they reach connected sensitive electronics.
Visual end-of-life indicator — green flag (healthy) turns red when the MOV has absorbed its rated energy and must be replaced; ensures protection level is always verified.
35mm DIN rail mounting — installs inside the main distribution board at the point of entry; protects the entire downstream installation in a single device.
Type 2 / Class II — installed at sub-distribution boards as secondary protection after a Type 1 at the main intake; protects equipment from switching transients and residual lightning energy.
Manufactured to IEC 61643-11 — 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 AUSP023PN40 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 does the 40 kA breaking capacity on the AUSP023PN40 mean in practice?

A: Breaking capacity (40 kA) is the maximum prospective short-circuit current the AUSP023PN40 can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 40 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 AUSP023PN40, can it be reset and reused immediately?

A: After a short-circuit trip, do not immediately reset the AUSP023PN40. 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 40 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.