Page 640 of Current Catalog by Moeller Electric USA

14/014 technical data iec ratings utilization categories for switch disconnectors disconnectors switches and fuse combination units to iec/en 60 947-3 vde 0660 part 107 type of utilization typical applications current category ac ac-20a b 8 ac-21a b 8 ac-22a b 8 ac-23a b 8 connecting and disconnecting under no-load conditions switching of resistive loads including slight overloads switching of mixed resistive and inductive loads including slight overloads switching of motor loads and other highly inductive loads verification of electrical endurance verification of rated making and breaking capacities make ie a 7 make ie a i ie u ue 7 cos break ic ur ie ue 7 7 cos i ie u ue 1.05 1.05 1.05 cos break ic ur ie ie 1.05 1.05 1.05 7 cos general information 7 all values all 1 values all 1 values 7 1 1 0.9 0.8 1 1 1 1 0.95 0.8 7 all values all 1.5 values all 3 values 7 7 0.95 0.65 1.5 3 0.95 0.65 all 1 values ie a i ie 1 0.65 1 1 0.65 ie 100 10 ie >100 10 ie a i ie 1.05 1.05 u ue 1.05 1.05 1.05 0.45 0.35 l/r ms 7 8 8 ic ie 7 1.05 1.05 ur ie 1.05 1.05 1.05 0.45 0.35 l/r ms 7 u ue 7 l/r ms 7 ic ie 7 ur ue 7 l/r ms 7 dc dc-20a b 8 dc-21a b 8 dc-22a b 8 dc-23a b 8 connecting and disconnecting under no-load conditions switching of resistive loads including slight overloads switching of mixed resistive and inductive loads including slight overloads e.g shunt motors switching of highly inductive loads e.g series motors 7 all values all 1 values all 1 values 1 1 1 2 1 1 1 1 1 2 7 all values all 1.5 values all 4 values 1 2.5 1.5 4 1 2.5 notes 1 cos 0.45 for ie 100 a cos 0.35 for ie 100 a the tests are to be carried out with an incandescent lamp load the test data are to be derived from the test values for ac-3 or ac-4 according to table viib en 60 947-4-1 ac-3 category may be used for occasional inching jogging or plugging for limited time periods e.g for setting up a machine during such limited time periods the number of such operations should not exceed five per minute or ten in any ten minute period a hermetic refrigerant compressor motor is a combination consisting of a compressor and a motor both of which are enclosed in the same housing with no external shaft or shaft seals and with the motor operating in the refrigerant the value 6xp results from an empirical relationship which is found to represent most dc magnetic loads to an upper limit of p 50w where 6xp 300ms loads with a rated power consumption greater than 50w are assumed to consist of smaller loads in parallel 300 ms is therefore an upper limit irrespective of the power consumption value if the switching device has a making and/or breaking capacity the figures for the current and the power factor time constants must be stated by the manufacturer a frequent actuation b occasional actuation all 1 1 7.5 1 values moeller equipment is designed for the world s markets 1 7.5 all 4 values key 1.05 15 4 1.05 15 2 3 all equipment is manufactured and tested in accordance with national and international standards and regulations the most important of which are listed below iec 60 439 low-voltage switchgear and controlgear assemblies iec 60 947 en 60 947 low voltage switchgear and controlgear vde 0660 iec 60 664 insulation co-ordination including clearances and creepage distances for equipment vde 0110 iec 60 364 electrical installations of buildings vde 0100 iec 60 204 en 60 204 electrical equipment of industrial machines vde 0113 vde 0105 operation of electrical power installations iec 60 536 protection against electric shock vde 0106 4 i current made ic current broken ie rated operational current u voltage ue rated operational voltage ur recovery voltage t0.95 time in ms to reach 95 of the steady-state current p u e x ie rated power consumption in watts 5 6 7 8

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