1 catalog 1308242 issued 3-03 (pdf revised 11-08) issued 11-08 www.tycoelectronics.com dimensions are in inches over (millimeters) unless otherwise specified. dimensions are shown for reference purposes only. specifications and availability subject to change. south america: 55-11-2103-6000 hong kong: 852-2735-1628 japan: 81-44-844-8013 uk: 44-8706-080208 usa: 1-800-522-6752 canada: 1-905-470-4425 mexico: 01-800-733-8926 c. america: 52-55-1106-0803 agency approvals w57 series is ul1077 recognized as supplementary protectors, file e69543, for canada and the united states. available models meet ignition protection requirements in accordance with ul1500. approved to vde 0642/en60934 (circuit breakers for equipment) license number 40007874 (excludes models rated 3-4a and >15a). ccc mark compliant, certificate 2004010307123217. users should thoroughly review the technical data before selecting a product part number. it is recommended that users also seek out the pertinent approvals files of the agencies/labora-tories and review them to confirm the product meets the requirements for a given application. time vs. current trip curve @ +25? overload trip times 100% 135% 200% 300% 400% 500% 600% 800% 1000% no trip trip in 1 hour 4.0 - 40.0 sec. 1.2 - 12.0 sec. 0.6 - 5.0 sec. 0.4 - 2.8 sec. 0.3 - 1.8 sec. 0.18 - 0.9 sec. 0.12 - 0.7 sec. .1 1 10 100 1000 time in seconds 1000 900 800 700 600 500 400 300 200 100 0 load current as a percent of breaker rating 10,000 135 features ?new, compact design. ?3 to 20 amp ratings. ?cannot be manually tripped. ?button extends for visual trip indication. ?push button to reset breaker. ?numerous mounting and termination options. ?optional bottom marking of amperage rating. electrical data @ 25? calibration: will continuously carry 100% of rating. may trip between 101% and 134%, but must trip at 135% of rating within one hour at +25?. dielectric strength: 1,500vac (60 seconds). mechanical/environmental data operating temperature range: 0? to +60?. termination: .250?(6.35mm) quick connects. mounting: various options. see ordering information and drawings. approximate weight: 0.5 oz. (14.3g). current typical current typical rating resistance rating resistance in amps in ohms in amps in ohms 3.0 0.083 8.0 0.031 4.0 0.062 10.0 0.025 5.0 0.050 12.0 0.021 6.0 0.042 15.0 0.017 7.0 0.036 20.0 0.012 s ee terminal drawing s for detail .575 (14.6) .102 (2.6) .031 (.8) .303 (7.7) .465 (11.8) .889 (22.6) .457 (11.6) .689 (17.5) 1.15 (29.2) s ee mounting bu s hing and mounting hardware drawing s for detail outline dimensions typical resistance vs. current rating @ +25? insulation resistance: 100 megohms. maximum operating voltages: 50vdc; 250vac, 50/60 hz. interrupt capacity: 1,000 amps in accordance with ul standard 1077. resettable overload capacity: ten times rated current. reset time: 60 seconds. w57 series compact, push to reset only p&b thermal circuit breaker ambient compensation table to use this chart: divide the breaker rating by the correction factor to determine the compensated rating. calculate the overloads in terms of the compensated rating to use the published trip curve. do not use these devices outside their specified operating temperature ranges. ambient rating correction factor temperature in ? 3-4a models 5-20a models -10 .70 .77 0 .75 .85 10 .82 .90 20 .90 .95 25 1.00 1.00 30 1.10 1.05 40 1.25 1.15 50 1.61 1.25 60 2.15 1.40 optional protective boot silicone rubber boot is bonded to integral alumimum nut. 1-1423696-5 black boot for w57 with 3/8?24 bushing. 1-1423696-6 clear boot for w57 with m11 x 1.0 bushing. .63 dia. (16.0) .622 (15.8) .799 (20.3) .70 dia. (17.8)
2 catalog 1308242 issued 3-03 (pdf revised 11-08) issued 11-08 www.tycoelectronics.com dimensions are in inches over (millimeters) unless otherwise specified. dimensions are shown for reference purposes only. specifications and availability subject to change. south america: 55-11-2103-6000 hong kong: 852-2735-1628 japan: 81-44-844-8013 uk: 44-8706-080208 usa: 1-800-522-6752 canada: 1-905-470-4425 mexico: 01-800-733-8926 c. america: 52-55-1106-0803 mounting bushings and recommended panel cutouts .303 (7.7) .425 (10.8) .378 (9.6) .394 (10.0) .059 (1.5) .043 (1.1) .394 (10.0) .043 (1.1) .338 (8.6) .378 (9.6) .059 (1.5) .386 (9.8) .378 (9.6) .059 (1.5) .386 (9.8) .543?005 (13.8?13) .630?005 (16?13) .394+.008, -.0 (10.0+.2, -.0) .441+.008, -.0 (11.2+.2, -.0) .394+.008, -.0 (10.0+.2, -.0) .441+.008, -.0 (11.2+.2, -.0) .382 +.008, -.0 (9.7 +.2, -.0) .346 +.008, -.0 (8.8 +.2, -.0) .311 +.008, -.0 (7.9 +.2, -.0) .382 +.008, -.0 (9.7 +.2, -.0) .433 +.008, -.0 (11.0 +.2, -.0) .480 +.008, -.0 (12.2 +.2, -.0) option 5 ?m11 x 1.0 thread option 2 & 6 ?3/8?- 24unf thread option 4 ?snap in option ordering information option 8 ?3/8?- 24unf thread typical part no. > w57-xb1a4a10-4 1. designator: w = circuit breaker 2. series number: 57 = compact, single pole, push-to-reset, thermal model 3. circuit function: x = series trip 4. button color & rate marking: a = white, plain, no rate marking g = white, black rate marking (horizontal) b = white, red rate marking (vertical) h = black, white rate marking (vertical) c = white, black rate marking (vertical) i = red, plain, no rate marking d = black, plain, no rate marking j = black, no rate marking on button, e = black, white rate marking (horizontal) white rate marking on bottom of f = white, red rate marking (horizontal) case between terminals. 5. mounting bushing: 1 = plastic, 9.8mm (double d) x 9.6mm long, m11x1 threads, (similar to 7/16?, hex base 2 = plastic, 3/8?(single d) x 10.5mm long, 3/8?24 threads, hex base 4 = plastic, snap-in type 5 = metal, 9.8mm (double d) x 9.6mm long, m11x1 threads, (similar to 7/16?, round base 6 = metal, 3/8?(single d) x 10.5mm long, 3/8?24 threads, hex base 7 = metal, 10.8mm (double d) x 9.6mm long, m12x1 threads, (similar to 15/32?, round base 8 = metal, 3/8?(double d) x 10.0mm long, 3/8?24 threads, hex base notes: codes 1 and 3 are similar in size to 7/16?bushings (not exact equivalent). code 7 is similar in size to a 15/32?bushing (not exact equivalent) 6. terminals: (see drawings for detail) a = quick connect .250?(6.35mm) straight b = quick connect .250?(6.35mm) , bent 90 c = quick connect .250?(6.35mm) , bent 45 d = quick connect .250?(6.35mm) , bent 90 e = quick connect .250?(6.35mm) , bent 90? pcb compatible f = quick connect .250?(6.35mm) , bent 90? pcb compatible g = quick connect .250?(6.35mm) , straight (smaller hole) h = one quick connect .250?(6.35mm) , one #8-32 screw bent 90 i = same as f above, but amperage marking reversed. 7. mounting hardware: 4 = metal knurled nut/hex nut 7 = plastic knurled nut 6 = metal hex nut 8 = plastic knurled nut with small hole 12 = metal knurled nut 22 = plastic knurled nut, metal lockwasher 15 = 2 metal hex nuts, metal lockwasher 18 = metal hex nut, metal lockwasher 99 = none 8. mounting hardware packaging: a = assembled to bushing b = bulk unassembled c = no mounting hardware. 9. maximum operating voltage (ac): 1 = 250vac 2 = 125vac/50vdc 10. nameplate: 0 = none 1 = embossed aluminum 2 = silver color printing on black color 3 = black color printing on silver color 11. specify amp rating: 3? 4? 5 6 7 8 10 12 15 20? ?not vde 12. ul recognition: leave blank = ul1077 recognized breaker m = model meeting ignition protection requirements in accordance with ul1500, in addition to ul1077 recognition? ?not vde our authorized distributors are more likely to stock the following items for immediate delivery. option 1 ?m11 x 1.0 thread option 7 ?m12 x 1.0 thread ordering note: mounting hardware can be ordered separately. some options are subject to extended leadtimes and significant minimum order quant ities. w57-xb1a4a10-5 w57-xb1a4a10-10 w57-xb1a4a10-15 w57-xb1a4a10-20 w57-xb1a5a10-5 w57-xb1a5a10-10 w57-xb1a5a10-15 w57-xb1a5a10-20
3 catalog 1308242 issued 3-03 (pdf revised 11-08) issued 11-08 www.tycoelectronics.com dimensions are in inches over (millimeters) unless otherwise specified. dimensions are shown for reference purposes only. specifications and availability subject to change. south america: 55-11-2103-6000 hong kong: 852-2735-1628 japan: 81-44-844-8013 uk: 44-8706-080208 usa: 1-800-522-6752 canada: 1-905-470-4425 mexico: 01-800-733-8926 c. america: 52-55-1106-0803 .854 dia. (21.7) .945 dia. (24.0) .016 (.4) thick .016 (.4) thick a b a b nameplates .126 (3.2) .126 (3.2) .181 (4.6) .181 (4.6) .098 ?.01 (2.5 ?0.3) .154 ?.01 (3.9 ?0.3) option a .250 qc straight option c .250 qc 45 option d .250 qc 90 option e .250 qc/pcb 270 option b .250 qc 90 option f or i .250 qc/pcb 270 termination options knurled nut hex nut embossed aluminum imprinted aluminum (either silver on black or black on silver) option g .250 qc straight (small hole) .071 (1.8) dia. mounting hardware dimensions mounting hardware ordering information dimension bushing plastic integrated plastic metal metal lockwasher code diameter knurled nut knurled nut w/holes knurled nut hex nut 3/8 .74 (18.8) .56 (14.2) .55 (14.0) .49 (12.5) a m11 .74 (18.8) .74 (18.8) .59 (15.0) .55 (14.0) .587 (14.9) m12 .59 (15.0) .55 (14.0) .626 (15.9) 3/8 .126 (3.2) .079 (2.0) .079 (2.0) .02 (.5) b m11 .126 (3.2) .13 (3.3) .102 (2.6) .118 (3.0) .02 (.5) m12 .102 (2.6) .079 (2.0) .02 (.5) mounting bushing mounting bushing plastic integrated plastic metal metal lockwasher material code knurled nut knurled nut w/holes knurled nut hex nut plastic 1 (m11) 1423696-8 2-1423696-2 2 (3/8? 1423696-2 5 (m11) 1423696-4 1423696-6 1-1423696-2 metal 6 (3/8? 1-1423696-0 1423696-3 1-1423696-1 7 (m12) 1423696-5 1423696-7 1-1423696-3 8 (3/8? 1-1423696-0 1423696-3 1-1423696-1 2 x .059 dia. (1.5) 84 56 alternate teeth twisted in opposite directions b a a b integrated knurled nut with small holes lockwasher mounting hardware options option h .250 qc straight with #8-32 load term. bent 90 optional bottom marking of rating ? 2008 by tyco electronics corporation. all rights reserved. p&b, te logo and tyco electronics are trademarks.
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