Iec: 1999 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltages up to and including 0, 6/ 1, 0 kv required to maintain circuit integrity when subjected to fire under specified conditions. 5 h, 750 ° c • din: 30 / 60 / 90 min. this part of iec 60331 specifies the test apparatus to be used for testing cables required to maintain circuit integrity when subject to fire alone where the test condition is based upon a flame with a controlled heat output corresponding to a temperature of at least 750 ° c. part 25: procedures and requirements – optical fibre cables. this document is applicable to cables of rated voltage not exceeding 600 v/ 1 000 v, including. flame temperature : determined by the stipulated quantity of propane gas and air. part 23: procedures and requirements – electric data cables. it is intended to cover low voltage power cables and control cables with a rated voltage. iec| tests for electric cables under fire pdf conditions - circuit integrity - part 21: procedures and requirements - cables of rated voltage up to and including 0, 6/ 1, 0 kv | document center, inc. it is intended to cover low voltage power cables and gives requirements for evaluating test results. since its first edition ( 1970), iec 60331 has been extended and has introduced a range of test apparatus in order that a test may be carried out on large and small power, control, data and optical fibre cables. iec: 1999 specifies a test procedure and gives a performance requirement, including a recommended flame application time, for pdf cables of rated voltage up to and including 600/ 1000 v. tests for electric cables under fire conditions - circuit integrity - part 21: procedures and requirementscables of rated voltage up to and including 0, 6/ 1, 0 kv. this part of iec 60331 specifies the test apparatus and procedure and gives the performance requirements, including recommended flame application times, for low- voltage power cables of rated voltage up to and including 0, 6/ 1, 0 kv and control cables with a rated voltage which. part 21: procedures and requirements – cables of rated voltage up to and including 0. the cable is into a tubular oven with gradually increasing of temperature up to 920° c. iec 60331 part 21 pdf sku: iec_ 001470_ 025004 published by iec publication year 1999 1. iec 60331 consists of the following parts under the general title: tests for electric cables under fire conditions – circuit integrity: part 1: test method for fire with shock at a temperature of at least 830 ° c for cables of rated voltage up to and including 0, 6/ 1, 0 kv and with an overall diameter exceeding 20 mm. test duration : iec part 21/ en part 21: category a f/ r for special applications only : iec part 22/ en part 22: category a ( 7 litres of combustible material per metre / flame application 40 minutes). cei 2036/ 2- 1 – iec– electrical cables up to 0, 6/ 1 kv cei 20- 36/ 2- 3 – iec– data cables cei 20- 36/ 2- 5 – iec–fibre optic cables fire resistance this test is carried out to verify circuit integrity during a fire. part 21: procedures and requirements – cables of rated voltage up to and including 0, 6/ 1, 0 kv. parts 21, relate to fire- only conditions at a flame temperature of at least 750 ° pdf c. tests for electric cables under fire conditions – circuit integrity – part 1: test method for fire with shock at a temperature of at iec 60331 part 21 pdf least 830 degrees c for cables of rated voltage up to and including 0, 6/ 1, 0 kv and with an overall diameter exceeding 20 mm. this part of iec 60331 specifies the test method for cables which are required to maintain circuit integrity when subject to fire and mechanical shock under specified conditions. has the status of group safety publication in accordance with iec guide 104. available for subscriptions. iecuo/ u ≤ 0, 6/ 1 kv) tests for electric cables under fire conditions - circuit integrity comparable test procedures / test duration / test temperature / additional influences • din vde:
1. this part of iec 60331 specifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltage up to and including 0, 6/ 1, 0 kv required to maintain circuit integrity when subjected to fire under specified conditions. test apparatus acc. 5 h, 750 ° c •. ( etk) • nbn c 30- 004, " f3" 1.
5 h, ° c • iec: 1. this part of iec 60331 specifies the test method for cables which are required to maintain circuit integrity when tested in a metal enclosure and when subject to fire and mechanical shock under specified conditions. iecspecifies the test procedure and gives the performance requirement, including a recommended flame application time, for cables of rated voltages up to and including 0, 6/ 1, 0 kv required to maintain circuit integrity when subjected to fire under specified conditions. 0 edition 19 pages.