IS 302 Part 1 for Coffee Makers, Espresso Machines, and Hot Beverage Appliances

Coffee makers, espresso machines, drip coffee machines, pod coffee makers, and electric teapots are covered under QCO 2026 and require mandatory BIS ISI mark certification under IS 302 (Part 1):2024.

Applicable IS 302 Part 2 Section

Hot beverage appliances fall under IS 302 Part 2 Section 15 (IEC 60335-2-15) — appliances for heating liquids. Both Part 1 general requirements and Part 2 Sec 15 product-specific requirements apply.

Key Safety Tests for Coffee Makers

Boiler and Thermoblock Safety

Espresso machines use either a traditional boiler or a thermoblock (instantaneous heater) to heat water to 90-95°C for espresso extraction and 120-140°C steam for milk frothing. The pressure system must be rated for the working pressure (typically 9 bar for espresso). The boiler/thermoblock must have:

• Pressure relief valve — prevents over-pressurization
• Thermal cutout — prevents overheating if thermostat fails
• Low water detection — dry-boil protection if water tank runs empty

Steam Wand Safety

The steam wand on espresso machines dispenses high-temperature steam at pressure — a serious burn hazard. The steam wand must be designed to prevent accidental activation. When not in use, the steam valve must be tightly closed — no steam leakage. The steam wand body temperature must be within safe limits while steam is flowing through it.

High-Pressure Pump Safety

Espresso machines use a vibration pump or rotary pump to create the 9-bar extraction pressure. The pump must not vibrate excessively (stability risk) and must maintain pressure within the specified range. The pump and all pressure-side tubing must be rated for the maximum system pressure.

Drip Coffee Maker Safety

Drip coffee makers heat water to 85-96°C and drip it through the coffee grounds. The heating plate that keeps coffee warm reaches 70-80°C — the carafe base surface must not exceed safe touch temperature. The auto-shutoff after a specified time (typically 2 hours) prevents the empty carafe from overheating.

Pod Coffee Makers (Nespresso-style)

Pod machines puncture the pod with a metal needle under pressure — the needle mechanism is a potential injury point if touched during cleaning. The design must prevent needle access when the machine head is open for pod removal.

Deadline

Large enterprise: 1 October 2026. House of Testing handles IS 302 coffee maker and hot beverage appliance testing.