Is IS 14285 the same as IEC 61730?

Yes, IS 14285:2018 is a dual-numbered standard that is an identical adoption of IEC 61730-1:2016 and IEC 61730-2:2016.

What is the difference between Application Class A, B, and C?

Class A is for general use (>50V DC or >240W) in publicly accessible locations. Class B is for restricted access applications. Class C is for low voltage, limited power circuits (<50V and <240W).

What is the purpose of the Hot-spot endurance test?

It verifies that the module can withstand localized heating effects caused by cracked, mismatched, or shaded cells, preventing potential fire or safety hazards (Part 2, MST 22).

What does a 'Safety Class II' rating mean for a PV module?

It means the module's construction provides protection against electric shock through double or reinforced insulation, without needing a protective earth connection (Part 1, Clause 10.2).

IS 14285

: 2018

Photovoltaic (PV) module safety qualification

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This Indian Standard adopts the international standard IEC 61730, specifying safety qualifications for Photovoltaic (PV) modules. It outlines construction requirements (Part 1) and test procedures (Part 2) to ensure PV modules are safe from electrical shock, fire hazards, and personal injury over their lifetime.

Defines the fundamental safety requirements for PV modules to protect against electric shock, fire hazards, and personal injury.

Quick Reference Values

Minimum insulation resistance at STC40 MΩ·m²

Standard mechanical load test pressure2400 Pa

Enhanced mechanical load test pressure5400 Pa

Wet leakage current test voltageMaximum system voltage of the module

Application Class A eligibilityModules rated for system voltages > 50 V DC

Safety Class II requirementModule must provide protection through double or reinforced insulation

Practical Notes

This standard is mandatory for BIS Compulsory Registration Scheme (CRS) for PV modules sold in India.

It is a 'safety' standard, distinct from IS 16077 / IEC 61215 which covers 'performance' and power output qualification.

Engineers specifying modules should always ensure they are certified to the latest version of IS 14285 for safety compliance.