247 high performance thermal circuit breaker 4120-... www.e-t-a.com 05/06 4 description typical applications ordering information technical data single pole, miniaturised thermal circuit breaker with trip-free mechanism and push/pull on/off manual actuation (m-type to cbe to en 60934). threadneck panel mounted, temperature-compensated, with optional auxiliary contacts. fully approved for commercial aircraft and similar requirements. extra low voltage wiring systems on all types of vehicles for land, sea and air. 4120-... type no. 4120 single pole, with temperature compensation mounting g threadneck panel mounting l threadneck panel mounting, extended push button threadneck design 1 m12x1x6.3 (aluminium) 2 7/16-32 unx6.3 (aluminium) number of poles 1 1 pole, thermally protected hardware for threadneck 0 without hardware 1 hex nut m12x1, corrugated washer 12/15, fitted 2 hex nut m12x1 (aluminium), serrated lock washer 12.1/17.2,fitted 3 hex nut m12x1 (aluminium), serrated lock washer 12.1/17.2, bulk shipped 4 hex nut 7/16-32un (aluminium), serrated lock washer 11.3/14.9, fitted terminal design (main terminals) k1 screw terminals with metric thread k14 (m4) j1 screw terminals with inch thread j14 (8-32unc-2b) j2 screw terminals with inch thread j17 (8-32unc-2b) j3 screw terminals with inch thread j25 (6-32unc-2b) characteristic curve m1 thermal, 1.15 - 1.38 i n terminal screws a phillips screw m4x6, fitted b phillips screw 8-32unc-2ax6, fitted c phillips screw 6-32unc-2ax6 (ms 51957-26) d slotted flat head screw m4x6, fitted k hex screw with phillips head 8-32unc- 3ax7.6, fitted m hex screw with phillips head 8-32unc- 3ax7.6, bulk shipped z without terminal hardware terminal washers 0 without lock washer 1 wave washer b4, fitted 2 lock washer 4.3, fitted 4 lock washer 3.7 (ms 35338-136) 5 lock washer 4.3/9, fitted 6 lock washer 4.3/9, bulk shipped auxiliary contact s0 without auxiliary contact s1 with auxiliary contact (connector en 3155-016m2018 (nc) s5 with polarized auxiliary contact (nc) barrier z without barrier u with barrier (19.5 wide) colour of the push button g green to en (e.g. 2 1/2) n black to en (e.g. 2 1/2) s black, with white marking (e.g. 2.5) x black, without marking current ratings 1...25 a 4120 - g 1 1 1 - k1 m1 - a 1 s0 z n - 10 a ordering example voltage rating ac 115 v (400 hz); dc 28 v current rating range 1...25 a (0.5 a upon request) auxiliary circuit 1 a, dc 28 v (0.5 a upon request) typical life 20,000 operations mechanical, or 5,000 operations at 1 x i n ambient temperature -55c ...+125c (-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): 1...3 a 1,000 a 5...25 a 2,000 a dc 28 v: 1...25 a 6,000 a degree of protection operating area ip40 (iec 60529/din 40050) terminal area ip00 vibration 10 g (57-2000 hz), 0.76 mm (5-57 hz) (sinusoidal) to iso 7137, en 2350 para. 5.3.1 vibration 1...2.5 a: 0.04 g 2 /hz 1,5 db; 7.3 g eff 3...20 a: 0.046 g 2 /hz 1,5 db; 9 g eff to iso 7137, en 2350 para. 5.3.1 acceleration 17 g, to iso 2669, en 2350 para. 5.3.3 shock 50 g (11 ms), to iso 7137, en 2350 para. 5.3.2 corrosion 48 hours at 5 % salt mist to iso 7137, en 2350 para. 5.4.2 humidity 240 hours at 95 % rh, to iso 7137, en 2350 para. 5.4.3 explosion to vg 95210, sheet 10 altitude 22,000 m above sea level mass approx. 20.6 g with terminal screws, without -si approx. 24.6 g with terminal screws, with -si .com .com .com 4 .com u datasheet
www.e-t-a.com 05/06 high performance thermal circuit breaker 4120-... 4 dimensions 4120-g1.. 4120-g11.-j2m1-k5s0zn (EN2495-u, en3773-004 d) 4120-g111-k1m1-a1s0zn (EN2495-m) (vg95345 t06) 4 5 type no. green 4 5 13 1.5 4120-g112-j2m1-k5s1zg - 4120-g112-j2m1-k5s5zg 18 1 m12x1 18.5 off 6.35 31 max. 3 tightening torque max. 5 nm 2.5 ?10 ?8.4 3.5 white serrated lock washer 10.5 terminals: 1 - input 2 - output terminal screw h8-32unc-3ax7.6 to fed-std-h28/2a with lock washer tightening torque max. 1.7 nm .098 .250 .512 .728 .059 1.22 min .181 max .118 .709 .138 .331 .394 .413 on 1 2 min. 4.6 16.2 min. 8 25 4 3 .638 min .315 (en2995-004) (en2995-005) 13 m12x1 18.5 off 6.35 1.5 31 12.8 4 5 4 5 max. 2 tightening torque max. 5 nm 1 2 2.5 min. 4.6 ?10 ?8.4 3.5 black white lock washer 8.5 5 type no. terminals: 1 - input 2 - output terminal screw iso 7045-m4x6 with lock washer din 137-b4 tightening torque max. 1.7 nm .098 .250 .512 .728 .059 1.22 min .181 max .079 .504 .138 .331 .394 .197 .335 on 14.2 9.5 2 0.8 19.5 location pin 5 current rating in a .031 .374 .559 .768 .079 s w 1 4 . 5 5 1 terminal screw h8-32unc-3ax7.6 to fed-std-h28/2a with lock washer tightening torque max. 1.7 nm type no. black 4 5 13 1.5 18 1 2 m12x1 18.5 off 6.35 31 4 5 max. 3 tightening torque max. 5 nm 2.5 min. 4.6 ?10 ?8.4 3.5 white serrated lock washer 10.5 terminals: 1 - input 2 - output .098 .250 .512 .728 .059 1.22 min .181 max .118 .709 .138 .331 .394 .413 on s w 1 4 14.2 19.5 5 9.5 2 0.8 location pin current rating in a .031 .374 .559 .768 .079 . 5 5 1 14.2 aux. contact (connector to en 3155-016 m2018) s w 1 4 19.5 9.5 0.8 location pin current rating in a .031 .374 .559 .768 . 5 5 1 2 5 max. 6.5 .079 max .256 approvals (configurations) authority voltage ratings current ratings en 2495 en 3773 pren 2995 ms 3320 qpl vg 95345 t06 dc 28 v; ac 115 v 0.5...20 a bwb (to vg 95345, part 6) standard current ratings and typical volt drop values current volt drop current volt drop rating (a) (mv) rating (a) (mv) 1 1100 7.5 250 2 550 10 230 2.5 460 15 200 3 440 20 190 5 260 25 190 this is a metric design and millimeter dimensions take precedence ( mm ) inch dimensions 4120-... min. 11.9 on 7/16-32-un-2a thd max. 19 off 6.35 1.5 31 12.8 4 5 4 5 max. 2 tightening torque max. 5 nm 1 2 2.5 min. 4.6 ?10 ?8.4 3.5 black white serrated lock washer 8.5 5 type no. terminals: 1 - input 2 - output terminal screw ms 51957-41 (8-32 unc-2a) with lock washer ms 35338-137 tightening torque max. 1.7 nm 4120-g214-j1m1-b2s0zn (ms 3320) .098 .250 min .469 max .748 .059 1.22 min .181 max .079 .504 .138 .331 .394 .197 .335 9.5 2 14.2 0.8 19.5 location pin 5 current rating in a .031 .374 .559 .768 .079 .com .com .com .com 4 .com u datasheet
high performance thermal circuit breaker 4120-... www.e-t-a.com 05/06 4 times rated current trip time in seconds 12468 10 20 40 10000 1000 100 10 1 0.1 0.01 0.001 6080100 +125 c +257 f +23 c +73.4 f -55 c -67 f typical time/current characteristics internal connection diagram 2 line 1 2 line 1 4 3 2 line 1 5 3 with auxiliary contact with polarized auxiliary contact this is a metric design and millimeter dimensions take precedence ( mm ) inch mounting holes mounting holes s0 mounting holes s1 or s5 3,2 0,15 9,5 0,2 ?12.5 +0.2 .492 +.008 min. 25 * 9.6 0.1 min. 40 .378 .004 min. 1.57 thickness 1.5 - 3 mm .059 - .118 in. * min. 25 mm / .984 in. when fitted with splash cover min .984 * min. 20 min .787 .004 ?3.5 +0.1 .138 min. 30 9.5 0.2 .374 .008 min. 1.18 thickness 1.5 - 3 mm .059 - .118 in. ?12.5 +0.2 .492 +.008 min. 25 * min .984 * min. 20 min .787 .004 ?3 +0.1 .118 ?11.5 +0.2 thickness: 1.5 - 3 mm .059 - .118 in. .453 .374 .008 .126 +.008 +.006 other terminal designs a 4 5 8.5 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) 4 5 a 4 5 10.5 terminal distances to: ms 26 574 (a, b) b b (31 mm/1.22 in.) .413 (18 mm/.709 in.) (15 mm/.591 in.) (35.5 mm/1.40) .335 .com .com .com .com 4 .com u datasheet
www.e-t-a.com 05/06 high performance thermal circuit breaker 4120-... 4 accessories (approved to vg 95 345, part 23) actuator extension (black) to be fitted on the push button x 200 803 01 splash cover/hex nut assembly with o ring (ip66) 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 m12x1 or 1.8 7/16-32 .071 ?20 17 ?.787 .669 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 lock out ring to block the push button in off position y 307 005 01 red y 307 005 02 black 6.4 ?6.85 ?12.35 ?14 .270 .551 .486 .252 0.65 .026 0.8 .031 7.7 ?10.9 ?14.6 .575 .303 .429 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. .com .com .com 4 .com u datasheet
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