EN 61270-1:1996

Capacitors for microwave ovens - Part 1: General

Applies to capacitors for microwave ovens operating at rated a.c. voltages of up to 3 000 V and a superimposed d.c. voltage of up to 1.13 times the value of rated a.c. voltage. Relates specifically to capacitors with a metal case and an upper rated maximum temperature of up to 100 °C, non-self-healing, with metal foil electrodes and dielectrics of paper and/or plastic, impregnated with a suitable oil. This part contains uniform rules regarding performance, testing and rating and specific safety rules.

Kondensatoren für Mikrowellenkochgeräte - Teil 1: Allgemeines

Condensateurs pour les fours à micro-ondes - Partie 1: Généralités

S'applique aux condensateurs destinés aux fours à micro-ondes, fonctionnant sous des tensions assignées alternatives jusqu'à 3 000 V, avec une composante continue superposée jusqu'à 1,13 fois la valeur de la tension alternative assignée. Concerne spécifiquement les condensateurs munis d'une enveloppe métallique, fonctionnant à une température maximale assignée jusqu'à 100 °C, non autorégénérateurs, équipés d'électrodes métalliques et d'un diélectrique réalisé avec du papier et/ou de la matière plastique, imprégné d'une huile adéquate. Cette partie contient des règles uniformes concernant les performances, les essais et les valeurs assignées et les règles particulières concernant la sécurité.

Capacitors for microwave ovens -- Part 1: General (IEC 61270-1:1996)

General Information

• Status: Published
• Publication Date: 13-Nov-1996
• Withdrawal Date: 30-Jun-1997
• ICS: 31.060 - Capacitors
• ICS: 97.040.20 - Cooking ranges, working tables, ovens and similar appliances
• Technical Committee: CLC/SR 33 - Power capacitors
• Drafting Committee: IEC/TC 33 - IEC_TC_33
• Parallel Committee: IEC/TC 33 - IEC_TC_33
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 14-Nov-1996
• Completion Date: 14-Nov-1996
• Directive: 2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Directive: 73/23/EEC - Electrical equipment designed for use within certain voltage limits
• Ref Project: SIST EN 61270-1:1999 - Capacitors for microwave ovens -- Part 1: General

Overview

EN 61270-1:1996 (CLC) - Capacitors for microwave ovens - Part 1: General sets uniform rules for the design, performance and safety of capacitors used in microwave ovens. The standard applies to metal-cased, non-self-healing capacitors with metal foil electrodes and paper and/or plastic dielectrics impregnated with oil, rated for alternating voltages up to 3 000 V and with a superimposed DC of up to 1.13 × rated AC voltage. It also limits the upper rated maximum temperature to 100 °C. EN 61270-1:1996 provides general requirements covering performance, testing, rating and safety for these specific capacitor types.

Key Topics

• Scope and application: Defines which capacitor constructions and operating conditions are covered (metal case, oil-impregnated dielectrics, non-self-healing behavior).
• Performance requirements: Uniform rules for electrical characteristics and service behavior under normal operating conditions.
• Testing and type/production tests: Principles for verifying dielectric, thermal and electrical performance (type tests and routine/production checks are specified in the document).
• Rating and marking: Guidance on rated voltages, allowable superimposed DC, temperature ratings and mandatory markings for safe identification.
• Safety rules: Specific safety measures tied to non-self-healing capacitors and oil-impregnated constructions, including enclosure and insulation considerations.
• Environmental and reliability considerations: Temperature limits (up to 100 °C) and construction requirements that affect long-term reliability in microwave oven environments.

Applications

EN 61270-1:1996 is relevant to professionals concerned with the safe and reliable use of capacitors in microwave ovens, including:

• Capacitor manufacturers designing metal-cased, oil-impregnated capacitors for oven applications.
• Microwave oven OEMs specifying components that meet safety and performance rules.
• Electrical test laboratories performing type-approval and routine testing to confirm compliance.
• Regulatory and safety authorities evaluating appliance safety and conformity.
• Procurement and quality engineers ensuring purchased capacitors meet required ratings and markings.

Related Standards

• The standard is aligned with IEC 61270-1:1996 (international reference). National adoptions may exist (e.g., SIST EN 61270-1:1999 noted in Slovenia).
• For complete system compliance, users often consult additional parts of the IEC/EN capacitor series and appliance safety standards relevant to microwave ovens.

By following EN 61270-1:1996, manufacturers and appliance designers ensure that capacitors used in microwave ovens meet consistent safety, performance, and testing expectations for oil-impregnated, metal-cased capacitor constructions.

Standards Content (Sample)

SLOVENSKI SIST EN 61270-1:1999
prva izdaja
STANDARD
julij 1999
Capacitors for microwave ovens -- Part 1: General (IEC 61270-1:1996)
ICS 31.060.70; 97.040.20 Referenčna številka
...