1 description typical applications technical data single pole, miniaturised, aircraft style thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (m-type to cbe to en 60934). an indicator band on the push button clearly shows the tripped/off position. threadneck panel mounted, available in metric and us (ms 3320) configurations. advanced two-chamber design contributes to fail-safe operation. temperature compensated from -55 c to +125 c, with optional auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. full specification ensures suitability for the most demanding applications. for three pole version see type 583. aircraft systems and equipment (fixed wing and helicopters); other extra low voltage wiring applications; defence equipment; communications systems. 483-... without auxiliary contact with auxiliary contact voltage rating ac 115 v (300 hz to 800 hz); dc 28 v (higher voltage ratings upon request) current rating range 1...35 a auxiliary circuit 0.5 a, dc 28 v typical life 20,000 operations mechanical or 10,000 operations at i n ( 25 a) 5,000 operations at i n (30 + 35 a) ambient temperature -55...+125 c (-67...+257 f) insulation co-ordination rated impulse pollution (iec 60664 and 60664a) withstand voltage degree 1.5 kv 3 dielectric strength (iec 60664 and 60664a) test voltage operating area ac 1,500 v main to aux. circuit ac 1,500 v insulation resistance > 100 m (dc 500 v) interrupting capacity i cn ac 115 v (400 hz): 5 a 2,000 a 7.5...35 a 2,500 a dc 28 v: 1...25 a 6,000 a 30 + 35 a 4,000 a degree of protection operating area ip40 (iec 60529/din 40050) terminal area ip00 vibration (sinusoidal) 15 g (70-2000 hz), 0.76 mm (5-70 hz) to vg 95210, sheet 19, iec 60068-2-6, test fc/iso 7137 vibration (random) 16.4 g rms, 0.2 g 2 /hz 1.5 db to vg 95210, sheet 29, iso 7137 acceleration 17 g, to iso 2669 shock 75 g (11 ms) to vg 95210, sheet 28, iec 60068-2-27, test ea/iso 7137 corrosion 96 hours at 5 % salt mist, severity a 48 hours at 20 % salt mist, severity b to vg 95210, sheet 2, iec 60068-2-11, test ka/iso 7137 humidity 240 hours at 95 % rh, to vg 95210, sheet 7, iec 60068-2-3, test c/iso 7137 explosion to vg 95210, sheet 10, mil-std-202, meth. 109 altitude 25,000 m above sea level mass max. 29 g with auxiliary contact max. 25 g without auxiliary contact weight reduction through aluminium threadneck: approx. 3 g approvals standard current ratings and typical volt drop values current rating (a) volt drop (mv) current rating (a) volt drop (mv) 1 750 10 190 2 520 15 190 2.5 400 20 200 3 360 25 170 4 350 30 160 5 260 35 150 7.5 230 authority standard rated voltage current ratings ul ul 1077 ac 250 v dc 75 v 1 a25 a 1 a35 a csa c22.2 no 235 ac 250 v dc 75 v 1 a25 a 1 a35 a bw vg 95345, part 6 ac 115 v, 400 hz dc 28 v 1 a25 a 1 a25 a bw ln 29886 ac 115 v, 400 hz dc 28 v 1 a25 a 1 a25 a qpl canada dep. of national defence vg 95345, part 6 ac 115 v, 400 hz dc 28 v 1 a25 a 1 a25 a qpl sweden defence material admin. ln 29886 ms 3320 ac 115 v, 400 hz dc 28 v 1 a25 a 1 a25 a qpl uk ministery of defence ln 29886 ac 115 v, 400 hz dc 28 v 1 a25 a 1 a25 a dep. of the navy ms 3320 (v) ac 115 v, 400 hz dc 28 v 1 a20 a 1 a20 a high performance thermal circuit breaker 483-... www.e-t-a. de 1646 1
2 ordering information for approved devices internal connection diagrams 1 1 1 1 11 with auxiliary contact with polarized auxiliary contact type no. 483 single pole, with temperature compensation mounting g threadneck panel mounting, standard threadneck design 1 m12x1x6.4x8.8 dia. with mounting plate (aux. contact version) 3 mj12x6.4x8.8 dia. (without aux. contact) 4 m12x1x6.4x8.8 dia. (without aux. contact) 5 7/16-32unx6.4x7.8 dia. (without aux. contact) 6 m12x1x9.4x8.8 dia. (without aux. contact) hardware for threadneck (washers) 0 without hardware 1 wave washer 12/15 - mounted 2 mounted washer 12.1/17.2 - mounted 3 mounted washer 11.3/14.9 - mounted (threadneck design 5,7 only) hardware for threadneck (nuts) 0 without hardware 1 hex nut m12x1 (threadneck design 1, 4, 6 only) 3 hex nut 7/16-32un (threadneck design 5, 7 only) 4 hex nut m12x1, aluminium, fitted (threadneck design 8 only) 5 hex nut mj12x1 (only with threadneck design 3) terminal design (main terminals) k screws terminals with metric thread 1 k14 (m4, mj4) j screw terminals with inch thread 1 j14 (8-32unc-2b) 2 j17 (8-32unc-2b) 3 j25 (6-32unc-2b) characteristic curve m1 thermal, 1.15-1.38 i n terminal screws a phillips screw m4x6 b phillips screw 8-32unc-2ax6 (ms 51957-41) c phillips screw 6-32unc-2ax6 (ms 51957-26) d slotted flat head screw m4x6 e hex screw with phillips head 8-32unc-3a-9.5 l phillips screw mj4x6 z without accessories terminal washers 0 without lock washer 1 lock washer b4 2 lock washer 4.3 (ms 35338-137) 4 lock washer 3.7 (ms 35338-136) auxiliary contact s0 without auxiliary contact s1 with auxiliary contact (n/c) connector to en3155-016m2018, size 20 s5 with polarized auxiliary contact (n/c) barrier z without barrier (standard) colour of the push button blank: black (standard) (e. g. 7.5) n black, marking to en (e. g. 7 1/2) current ratings 1...35 a 483 - g 4 1 1 - k 1 m1 - a 1 s0 z . - 5 a ordering example ordering information 483-g411-k1m1-a1s0zn metric threadneck m12x1 and terminal design -k14 (m4x6), listed by the german materialamt der bundeswehr to vg 95345 t06. 483-g533-j1m1-b2s0zn (ms 3320) threadneck size 7/16-32unsx6.4 and terminal design -j14 (inch thread 8-32), approved to ms 3320. 483-g533-j3m1-c4s0z (483-tc-g11-j25) threadneck size 7/16-32unsx6.4 and terminal design -j25 (inch thread 6-32), listed by the german materialamt der bundeswehr to vg 95345, part 6. preferred types standard current ratings (a) 1 2 2.5 3 5 6 7.5 10 15 20 25 30 35 483-g411-k1m1-a1s0z- x x x x x x x x x x x x x 483-g411-k1m1-a1s0zn- (vg 95345 t06) x x x x x x x x x x x x x preferred types high performance thermal circuit breaker 483-... www.e-t-a. de 1646 1
3 sw14 ?3.2 +0.15 ?12.5 +0.2 9.5 0.2 mounting holes thickness 1.5 - 3 mm .059 - .118 in. .126 +.006 .374 .008 .492 +.008 m12x1 ?8.4 3. 5 black white lock washe r tightening torque max. 4 nm .331 .138 teminal screw iso 7045-m4x6 with lock washer din 137 b4 tightening torque max. 1.2 nm 5 aux. contact (connector to en 3155-016 m2018) 45 4 5 min. 4.6 12.8 9.5 14.2 19.5 2 1 16.2 31 9.5 10.5 6.5 22 8.5 location pin current rating in a .335 .374 .559 .768 2.5 5 .098 .197 ?10 6.5 on 12.5 off 6.35 1.5 max. 1. 5 .394 .256 .492 .250 .059 1.22 max. .059 .504 .638 min .181 .551 .374 .413 .256 dimensions 483-g111-k1m1-a1s1zn (vg 95345 t06) dimensions 483-g533-j1m1-b2s0zn (ms 3320) ?8.4 3.5 black white lock washe r tightening torque max. 4 nm 7/16-32-un-2a thd .331 8.5 .335 9.5 2 max. 15 0.8 max.19.8 location pin current rating in a 5 .374 .079 max .591 .031 max .780 sw14 .551 ?3.2 +0.15 ?11.5 +0.2 9.5 0.2 mounting holes thickness 1.5 - 3 mm .059 - .118 in. .126 +.006 .374 .008 .453 +.008 teminal screw ms 51957-41 (8-32 unc-2a) with lock washer ms 35338-137 tightening torque max. 1.7 nm min. 4. 6 max. 1.5 max .059 min .181 min. 11.9 on max. 19 off 36.5 31 min .469 max .748 1.22 1.44 2.5 5 .098 .197 45 4 5 12.8 1 2 .138 ?10 6.35 1.5 .394 .250 .059 .504 dimensions 483-g411-k1m1-a1s0zn (vg 95345 t06) 45 45 ?10 m12x1 6.5 on 12.5 off ?8.4 6.35 1.5 min. 4. 6 36.5 31 12.8 ma x . 1. 5 3.5 black white lock washe r 8.5 9.5 2 14.2 0.8 19.5 location pin current rating in a 5 ?3.2 +0.15 ?12.5 +0.2 9.5 0.2 mounting holes teminal screw iso 7045-m4x6 with lock washer din 137 b4 tightening torque max. 1.2 nm 2.5 5 tightening torque max. 4 nm 1 2 thickness 1.5 - 3 mm .059 - .118 in. .098 .197 .331 .138 .335 .394 .256 .492 .250 .059 1.22 max. .05 9 min .181 1.44 .504 .126 +.006 .374 .008 .492 +.008 .374 .079 .559 .031 .768 sw14 .551 mounting min .984 ?3.2 +0.15 9.5 0.2 ?12.5 +0.2 (m12 and 15/32) ?11.5 +0.2 (7/16) min. 30 min. 20 min 25 when fitted with splash cove r thickness 1.5 - 3 mm .059 - .118 in. .126 +.006 .374 .008 min. 1.18 .492 +.008 min. 787 .453 +.008 this is a metric design and millimeter dimensions take precedence ( mm ) inch high performance thermal circuit breaker 483-... www.e-t-a. de 1646 1 high performance thermal circuit breaker 483-...
4 splash cover/hex nut assembly with o ring 4 4 x 200 802 01 nickel plated nut x 200 802 02 matt black finish nut splash cover/hex nut assembly with o ring 66 6 4 x 200 801 08 nickel plated nut, transparent cover x 200 801 03 matt black finish nut, black cover x 200 801 09 matt black finish nut 7/16-32, black cover x 200 801 12 with blackened nut and transparent cover actuator extension 4 x 200 803 01 11 1 16 1 11 1 66 other main terminal and threadneck designs accessories typical time/current characteristics mounting -g6 terminal design -j3 terminal design -j2 terminal distances to: ms 14 105 (a, b) ms 14 153 (a, b) ms 22 073 (a) ms 22 074 (a) ms 25 244 (a) ms 25 373 (a, b) terminal distances to: ms 26 574 (a, b) 45 b a 45 10.5 (31 mm/1.22 in.) (18 mm/.709 in.) .413 (15 mm/.591 in.) b a 45 8.5 (35.5 mm/1.40 in.) .335 12.5 off 6.5 on black white 9.4 .256 .492 .370 -55 c +67 f + 23 c + 73.4 f trip time in seconds +125 c + 257 f 12 46 8 10 20 40 ? times rated current 10000 1000 100 10 1 0. 1 0.01 0.001 60 80 100 accessories identification collar to be snapped on the push button y 307 004 01 black y 307 004 02 white y 307 004 03 red y 307 004 04 green y 307 004 05 blue 6.4 ?6.85 ?12.35 ?14 .270 .551 .486 .252 0.65 .026 lock out ring to block the push button in off position y 307 005 01 red y 307 005 02 black 0.8 .031 ?10.9 ?14.6 .575 .429 7.7 .303 this is a metric design and millimeter dimensions take precedence ( mm ) inch all dimensions without tolerances are for reference only. in the interest of improved design, performance and cost effectiveness the right to make changes in these specifications without notice is reserved.product markings may not be exactly as the ordering codes. errors and omissions excepted. high performance thermal circuit breaker 483-... www.e-t-a. de 1646 1
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