BIS Certification for Commercial Electric Doughnut Fryers and Deep Fat Fryers in India: Complete Compliance Guide

BIS Certification for Commercial Electric Doughnut Fryers and Deep Fat Fryers in India products are subject to mandatory BIS Compulsory Registration Scheme (CRS) requirements in India. Every manufacturer and importer must obtain a valid BIS CRS registration for each model before the product can be manufactured, imported, or sold in the Indian market. Non-compliance attracts penalties including product seizure, market withdrawal, and prosecution under the BIS Act 2016.

This guide covers the applicable Indian Standards, mandatory safety testing requirements, the step-by-step CRS registration process, documentary requirements, and the most critical compliance pitfalls for this product category in 2026.

📜 Applicable Indian Standards

The following Indian Standards apply to this product category under the BIS CRS framework:

• IS/IEC 60335-2-37 — Particular requirements for commercial electric doughnut fryers and deep fat fryers
• IS/IEC 60335-1 — General requirements for safety of household and similar electrical appliances
• IS 13252 (Part 1) — Indian adaptation of IEC 60335-1

🔬 Mandatory Safety Tests

BIS-approved laboratories evaluate the following key areas during safety testing for this product category:

📋 Step-by-Step BIS CRS Registration Process

1. Dual Thermal Protection VerificationConfirm that the fryer has both a primary thermostat and a separate secondary thermal cut-out. Single-stage protection systems will fail IS/IEC 60335-2-37 testing — verify this before sample submission.
2. Appoint AIRForeign manufacturers must appoint an AIR in India before filing the BIS CRS application.
3. Sample Testing at BIS-Approved LabSubmit representative fryer units with oil charge to a BIS-approved lab. Commercial fryer testing including over-temperature endurance takes 5-7 weeks.
4. Online ApplicationSubmit Form VI, test report, factory documents, photographs, trademark certificate, and AIR letter on BIS Manak Online.
5. BIS Query ResolutionCommon queries involve over-temperature cut-out actuation temperature data, oil temperature accuracy documentation, and fire containment test evidence.
6. R-Number GrantBIS issues the R-number upon approval. Mark on the fryer body, rating plate, packaging, and user manual.
7. RenewalValid for 2 years. Changes to heating element, thermostat, or thermal cut-out specification require re-testing.

📄 Documents Required

• Completed BIS Form VI and declaration of conformity
• Test report as per IS/IEC 60335-2-37 and IS 13252 (Part 1) from BIS-approved laboratory
• Factory registration and address proof
• Trademark registration certificate
• AIR appointment letter (for foreign manufacturers)
• Product photographs with compliance label placement
• Technical specification sheet (rated voltage, power, oil capacity, temperature range, thermostat specification)
• User and cleaning manual in English and/or Hindi

⚠ Common Rejection Reasons

Common rejection causes include the primary thermostat failing to maintain oil temperature within the specified accuracy band, the secondary thermal cut-out actuating above the maximum permissible temperature (risking oil ignition), fire containment failing under the simulated oil-fire fault scenario, and accessible panel temperatures exceeding IS/IEC limits during continuous commercial frying.

🏭 Special Considerations for Importers

Commercial deep fat fryers are a high-volume import category for India's fast food, QSR, and food processing sectors. Importers must hold valid BIS CRS documentation for each fryer model before customs clearance. The fire and oil-ignition risk associated with non-compliant fryers makes this a priority enforcement category for BIS market surveillance.