400A 80kA HRC Fuse SPJ 30 – Indoasian

Name: Indoasian SPJ30400 400A 80kA HRC Fuse
Brand: Indoasian
SKU: SPJ30400

SKU: SPJ30400

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Looking for the 400A 80kA HRC Fuse SPJ 30? This genuine Indoasian fuse is built for reliable circuit protection and isolation, combining proven reliability with full compliance to applicable IEC/IS standards. Key ratings include 400 A. Order part number SPJ30400 from myelectric.in — a trusted Indoasian supplier offering competitive pricing, GST billing, and shipping across India and overseas.

📋 Technical Specifications

Parameter	Value
Brand	Indoasian
Part Number / SKU	SPJ30400
Category	Fuse
Current Rating	400 A
Breaking Capacity	80 kA
Standards	IS 8828 (MCBs)
Certifications	BIS certified (ISI mark)

⚡ Key Features

400 A current rating — confirmed from product specifications; size wiring and terminals to match or exceed this value.
80 kA short-circuit withstand or breaking capacity — protects the installation at high fault current levels.
Manufactured to IS 8828 (MCBs), IS 12640 (RCCB), IS 13947 (contactors) — complies with Indian BIS and IEC international safety standards.
BIS certified (ISI mark) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Indoasian 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 400 A rating on the SPJ30400?

A: The 400 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 80 kA breaking capacity on the SPJ30400 mean in practice?

A: Breaking capacity (80 kA) is the maximum prospective short-circuit current the SPJ30400 can safely interrupt without damage. Before installing, verify that the prospective fault level at the installation point does not exceed 80 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 SPJ30400, can it be reset and reused immediately?

A: After a short-circuit trip, do not immediately reset the SPJ30400. 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 80 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.