HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-90: PARTICULAR REQUIREMENTS FOR COMMERCIAL MICROWAVE OVENS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirement
5 General conditions for the tests
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
12 Void
13 Leakage current and electric strength at operating
temperature
14 Transient overvoltages
15 Moisture resistance
16 Leakage current and electric strength
17 Overload protection of transformers and associated
circuits
18 Endurance
19 Abnormal operation
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Clearances, creepage distances and solid insulation
30 Resistance to heat and fire
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annex A (informative) - Routine tests
Annex AA (normative) - Combination microwave ovens
Annex BB (normative) - Requirements for commercial
microwave ovens without a cavity door and
with conveyor-type means
Annex CC (informative) - Overview of the requirements
for covers, means of access and similar
Annex DD (informative) - Rationales for the microwave
barrier and associated leakage tests
Annex EE (normative) - Microwave ovens intended to be
used on board ships
Bibliography
Defines: - the safety of microwave ovens with a cavity door intended for commercial use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances; - the safety of combination microwave ovens with a cavity door, the requirements for which are contained in Annex AA; - the safety of microwave ovens without a cavity door and with transportation means that are intended for commercial use only, for the heating of food and beverages, the requirements for which are contained in Annex BB.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 61 |
