3ua thermally delayed overload relays class 10 1) not required. 2) the upper setting i o is to be reduced by 0.5% per 1 c excess temperature or a min. space of 5 mm is to be maintained between the units when several overload relays are series mounted and simultaneously operated at ambient temperatures exceeding 25 c. technical data according to iec 947-4 type 3ua70 11/ 3ua70 21 3ua50/ 3ua52 3ua55 3ua58 3ua59 3ua60 3ua61/ 3ua62 3ua66 3ua68 trip class class 10a (2 s < t a 10 s at 7.2 i e from cold state and t a 2 min at 1.5 i e from hot state) phase failure sensitivity by differential phase shift yes yes yes yes yes yes yes yes yes changeover to automatic reset no yes yes yes yes yes yes yes yes reset button with trip-free feature yes yes yes yes yes yes yes yes yes temperature compensation yes yes yes yes yes yes yes yes yes switch position indicator yes yes yes yes yes yes yes yes yes test button actuates the no and nc contacts yes yes yes yes yes yes yes yes yes terminal for contactor coil no 1 ) yes yes no 1 )no 1 )no 1 )no 1 )no 1 )no 1 ) permissible ambient temperature c C25 to +55 2 ) C25 to +55 degree of protection ip 00/open or ip 20 to iec 947-1 and din 40 050 shock resistance g /ms 8/10 main circuit rated insulation ac/dc v voltage u i (pollution degree 3) 690 690 690 1000 690 1000 1000 1000 1000 rated impulse kv withstand voltage u imp 6 6 68688 8 8 type of current, frequency range dc; ac up to 400 hz ac 50 to 400 hz conductor cross-sections setting range ( 200 a/ >200 a) terminal screw solid or stranded mm 2 finely stranded with end mm 2 sleeve flat bars mm tightening torque nm lb. in nm lb. in m 3 0.5 to 2.5 0.5 to 1.5 C 0.4 to 0.7 4 to 6.5 m 4 2.5 to 6 1.5 to 4 C 1 to 1.5 9 to 13 m 5 1.5 to 25 1 to 16 C 2.5 to 3 22 to 26.5 m 5 2.5 to 35 1.5 to 25 C 2.5 to 3 22 to 26.5 m 5 1.5 to 25 1 to 16 C 2.5 to 3 22 to 26.5 m 6 25 to 70 25 to 50 C 6 to 8 52 to 50 m 8 50 to 120 25 to 95 20 3 10 to 14 89 to 124 m 8/m 10 185/240 C 20 3/ 2 30 5 10 to 14 89 to 124/ 14 to 24 124 to 210 m 10 2 240 C 2 30 5 14 to 24 124 to 210 power loss per conducting path (max.) at lowest value w (va) at highest value w (va) of the setting range 0.6 2.3 0.9 2.25 1.2 3 2.6 4 0.8 2 5 7 5 7 4 ( 5) 10 (12) 6 ( 9) 15 (22)
technical data according to iec 947-4 type 3ua70 11/ 3ua70 21 3ua50/ 3ua52 3ua55 3ua58 3ua59 3ua60 3ua61/ 3ua62 3ua66 3ua68 auxiliary circuit auxiliary contacts 1 no + 1 nc 1 no + 1 nc 1 no + 1 nc conductor cross-sections terminal screw solid or stranded mm 2 finely stranded with end mm 2 sleeve tightening torque nm lb. in m 3 2 (0.5 to 2.5) 2 (0.5 to 1.5) 0.4 to 0.7 4 to 6.5 m 3.5 2 (0.5 to 1)/2 (1 to 2.5) 2 (0.5 to 1)/2 (0.75 to 2.5) 0.8 to 1.4 7 to 12 rated insulation voltage u i (pollution degree 3) v nc unequal potential (no + nc) equal potential (no + nc connected as changeover contact) 690 400 690 rated impulse withstand voltage u imp kv 6 switching capacity rated operational voltage u e v rated operational current i e a conventional thermal current i th a at ac-15: 24 60 125 230 400 500 690 2 1.5 1.25 1.15 1.1 1 0.8 6 at dc-13: 24 60 110 220 2 0.5 0.3 0.2 short-circuit protection fuses lv hrc type 3na, diazed type 5sa/5sb, neozed type 5se: utilization category gl/gg 6 a miniature circuit-breaker (c characteristic): 3 a a -, u -, r -ratings, main circuit rated current a rated voltage ac v 12 600 14.5 (25) 1 ) 600 45 600 88 600 63 600 135 600 150/180 600 400 600 630 600 a -, u -, r -ratings, auxiliary circuit rated voltage ac v switching capacity 600, >150 same polarity b 600, r 300 adapter for installing the relay as a single unit type 3ux1 418 3ux1 420 3ux1 421 3ux1 424 3ux1 425 for overload relay 3ua50 3ua52 3ua58 3ua60 3ua55 conductor cross-sections terminal screw solid or stranded mm 2 finely stranded with end sleeve mm 2 m 3.5 1 to 4 0.75 to 2.5 m 4 2.5 to 10 1.5 to 6 m 6 2.5 to 35 1.5 to 25 m 6 2 25 to 70 2 25 to 50 m 5 1 to 25 1 to 16 trip classes of thermal, delayed magnetic or solid-state overload relays C excerpt from iec 947-4 1) value in brackets only valid for 3ua52. trip class a tripping time t a in seconds at 7.2 i e from cold state 10 10 20 30 2 < t a 10 4 < t a 10 6 < t a 20 9 < t a 30 ns1-5329 ns1-5330 ns1-5331 3ua thermally delayed overload relays class 10
3ua thermally delayed overload relays class 10 technical data according to iec 947-4 and din vde 0660 part 102 short circuit protection with fuses for motor feeders with short-circuit currents up to 50 ka at 690 v 1 ), 50/60 hz overload relay type permissible short-circuit fuses for motor starters consisting of overload relay and contactor, contactor assembly fuse links short-circuit protection with circuit breakers, fuseless motor feeders, combination of devices for mounting onto busbars, see "circuit breakers" and "fuseless load feeders". lv hrc diazed neozed type 3na type 5sb type 5se lv hrc type 3nd utilization british standards fuses u -listed fuses class utilization category gl/gg category am bs 88 type t r k5 setting type of coordination 2 ) type of coordination 2 ) type of coordination 2 ) range a 1 a 2 a 2 a 1 a 2 aa 3ua70 21 0.1 C 0.16 0.16C 0.25 0.25C 0.4 25 25 25 0.5 slow 3 ) 1 3 ) 1.6 3 ) C 25 25 25 C 1 1 2 0.4 C 0.63 0.63C 1 0.8 C 1.25 25 25 25 2 4 4 C 25 25 25 2 4 4 3 5 6 1 C 1.6 1.25C 2 1.6 C 2.5 25 25 25 6 6 6 C 25 25 25 6 6 10 8 10 12 2 C 3.2 2.5 C 4 3.2 C 5 25 25 25 10 10 10 C 25 25 25 10 10 10 12 12 12 4 C 6.3 5 C 8 6.3 C10 25 25 25 10 10 10 C 25 25 25 10 10 10 15 20 20 3ua50 0.1 C 0.16 0.16C 0.25 0.25C 0.4 35 35 35 0.5 slow 3 ) 1 3 ) 1.6 3 ) C 25 25 25 C 1 1 2 0.4 C 0.63 0.63C 1 0.8 C 1.25 35 35 35 2 4 4 C 25 25 25 2 4 4 3 5 6 1 C 1.6 1.25C 2 1.6 C 2.5 35 35 35 6 6 6 C 25 25 25 6 6 10 8 10 12 2 C 3.2 2.5 C 4 3.2 C 5 35 35 35 10 10 16 C 25 25 25 10 10 16 12 12 12 4 C 6.3 5 C 8 6.3 C10 35 35 35 16 20 25 C 25 25 25 16 16 20 15 20 20 8 C12.5 10 C14.5 35 35 25 25 C 25 35 20 32 20 20 3ua52 0.1 C 0.16 0.16C 0.25 0.25C 0.4 63 63 63 0.5 slow 3 ) 1 3 ) 1.6 3 ) C 63 63 63 C 1 1 2 0.4 C 0.63 0.63C 1 0.8 C 1.25 63 63 63 2 4 4 C 63 63 63 2 4 4 3 5 6 1 C 1.6 1.25C 2 1.6 C 2.5 63 63 63 6 6 6 C 63 63 63 6 6 10 8 10 12 2 C 3.2 2.5 C 4 3.2 C 5 63 63 63 10 10 16 C 63 63 63 10 10 16 12 12 12 4 C 6.3 5 C 8 6.3 C10 63 63 63 16 20 25 C 63 63 63 16 20 20 15 20 20 8 C12.5 10 C16 12.5 C20 16 C25 63 63 63 63 25 25 25 25 16 20 20 20 63 63 63 63 20 25 35 35 30 30 30 45 3ua55 1 C 1.6 1.25C 2 1.6 C 2.5 80 80 80 6 6 6 C 100 100 100 6 6 10 8 10 12 2 C 3.2 2.5 C 4 3.2 C 5 80 80 80 10 10 16 C 100 100 100 10 10 16 12 12 15 4 C 6.3 5 C 8 6.3 C10 80 80 80 16 20 25 C 100 100 100 16 20 25 15 20 25 8 C12.5 10 C16 12.5 C20 80 80 80 25 35 50 16 20 20 100 100 100 20 40 50 25 40 50 16 C25 20 C32 25 C36 80 80 80 50 80 80 40 50 50 100 100 100 63 80 80 60 60 60 32 C40 36 C45 80 80 80 80 50 50 100 100 80 80 60 60 1) voltage tolerance +5%. 2) coordination of short-circuit equipment according to iec 947-4/din vde 0660 part 102: type of coordination 1: the contactor or starter must not endanger persons or the installation in the event of a short-circuit. they do not need to be suitable for further operation without repair and the renewal of parts. type of coordination 2: the contactor or starter must not endanger persons or the installation and must be suitable for further use.there is a danger of contact welding. 3) d-fuse links u n = 500 v, make siba.
technical data according to iec 947-4 and din vde 0660 part 102 short-circuit protection with fuses for motor feeders with short-circuit currents up to 50 ka at 690 v 1 ), 50/60 hz overload relay type permissible short-circuit fuses for motor starters consisting of overload relay and contactor, contactor assembly fuse links short-circuit protection with circuit breakers, fuseless motor feeders, combination of devices for mounting onto busbars, see "circuit breakers" and "fuseless load feeders". lv hrc diazed neozed type 3na type 5sb type 5se lv hrc type 3nd utilization category british standards fuses u -listed fuses class utilization category gl/gg am bs 88 type t r k5 setting type of coordination 3 ) type of coordination 3 ) type of coordination 3 ) range a 1 a 2 a 2 a 1 a 2 aa 3ua58 16 C 25 20 C 32 25 C 40 32 C 50 160 160 160 160 50 63 80 125 25 35 40 50 160 160 160 160 63 63 80 80 60 70 70 70 40 C 57 50 C 63 57 C 70 63 C 80 70 C 88 160 160 160 250 250 125 125 125 160 160 63 63 63 80 100 160 160 160 160 160 100 100 100 125 125 70 100 125 150 175 3ua70 11, 3ua59 0.1 C 0.16 0.16C 0.25 0.25C 0.4 25 25 25 0.5 slow 4 ) 1 4 ) 1.6 4 ) C 25 25 25 C 1 1 2 0.4 C 0.63 0.63C 1 0.8 C 1.25 25 25 25 2 4 4 C 25 25 25 2 4 4 3 5 6 1 C 1.6 1.25C 2 1.6 C 2.5 25 25 25 6 6 6 C 25 25 25 6 6 10 8 10 12 2 C 3.2 2.5 C 4 3.2 C 5 25 25 25 10 10 10 C 25 25 25 10 10 16 12 12 12 4 C 6.3 5 C 8 6.3 C 10 25 25 25 10 10 10 C 25 35 35 16 16 20 15 20 20 8 C 12.5 2 ) 10 C 16 12.5 C 20 35 63 63 16 25 25 C 16 20 63 63 63 32 32 35 20 30 45 16 C 25 20 C 32 25 C 40 63 80 125 25 63 80 25 35 40 80 80 160 50 63 80 45 60 70 32 C 45 40 C 57 50 C 63 160 160 160 100 125 125 50 63 63 160 160 160 80 100 100 70 100 100 3ua60, 3ua61, 3ua62 55 C 80 250 160 80 160 125 150 63 C 90 250 160 100 160 125 150 80 C110 400 200 125 315 160 175 90 C120 400 224 125 315 200 175 110 C135 400 224 160 315 200 175 120 C150 400 250 160 315 200 200 135 C160 400 250 160 355 250 200 150 C180 400 250 200 355 250 200 3ua66, 3ua68 80 C125 355 224 125 355 224 300 125 C200 355 224 200 355 224 300 160 C250 500 400 250 500 355 300 200 C320 500 400 315 500 400 300 250 C400 800 500 400 800 450 400 320 C500 800 500 630 800 500 400 400 C630 1000 500 (630) 5 ) 630 1000 500 1200 class l 1) voltage tolerance +5%. 2) for 3ua70 11 setting range 8 to 12 a. 3) coordination of short-circuit equipment according to iec 947-4/din vde 0660 part 102: type of coordination 1: the contactor or starter must not endanger persons or the installation in the event of a short-circuit. they do not need to be suitable for further operation without repair and the renewal of parts. type of coordination 2: the contactor or starter must not endanger persons or the installation and must be suitable for further use.there is a danger of contact welding. 4) d-fuse links u n = 500 v, make siba. 5) valid for 3tb contactor. 3ua thermally delayed overload relays class 10
|
