Catalog 1308242 Issued 3-03 (PDF Revised 11-08) W57 series Compact, Push To Reset Only P&B Thermal Circuit Breaker Features 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. • 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. Typical Resistance vs. Current Rating @ +25°C 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. Current Rating in Amps Typical Resistance in Ohms Current Rating in Amps Typical Resistance in Ohms 3.0 4.0 5.0 6.0 7.0 0.083 0.062 0.050 0.042 0.036 8.0 10.0 12.0 15.0 20.0 0.031 0.025 0.021 0.017 0.012 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. Mechanical/Environmental Data Electrical Data @ 25°C Operating Temperature Range: 0°C to +60°C. Termination: .250” (6.35mm) quick connects. Mounting: Various options. See Ordering Information and drawings. Approximate Weight: 0.5 oz. (14.3g). 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°C. Dielectric Strength: 1,500VAC (60 seconds). Outline Dimensions Time vs. Current Trip Curve @ +25°C 1000 Overload 100% 135% 200% 300% 400% 500% 600% 800% 1000% 900 Load Current As A Percent Of Breaker Rating 800 700 600 500 Trip Times 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. .465 (11.8) .889 (22.6) .303 (7.7) 1.15 .689 (29.2) (17.5) SEE TERMINAL DRAWINGS FOR DETAIL .031 .102 (.8) (2.6) 400 .457 (11.6) SEE MOUNTING BUSHING AND MOUNTING HARDWARE DRAWINGS FOR DETAIL 300 .575 (14.6) 200 135 100 0 .1 Optional Protective Boot 1 10 100 Time In Seconds 1000 10,000 Silicone rubber boot is bonded to integral alumimum nut. 1-1423696-5 Black boot for W57 with 3/8”-24 bushing. Ambient Compensation Table Ambient Temperature in °C -10 0 10 20 25 30 40 50 60 Issued 11-08 www.tycoelectronics.com .63 DIA. (16.0) Rating Correction Factor 3-4A Models .70 .75 .82 .90 1.00 1.10 1.25 1.61 2.15 5-20A Models .77 .85 .90 .95 1.00 1.05 1.15 1.25 1.40 Dimensions are in inches over (millimeters) unless otherwise specified. 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. .622 (15.8) 1-1423696-6 Clear boot for W57 with M11 X 1.0 bushing. .70 DIA. (17.8) .799 (20.3) Dimensions are shown for reference purposes only. Specifications and availability subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-1106-0803 South America: 55-11-2103-6000 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-8706-080208 1 Catalog 1308242 Issued 3-03 (PDF Revised 11-08) Ordering Information Typical Part No. > W 57 -X B 1 A 4 A 1 0 -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 B = White, red rate marking (vertical) C = White, black rate marking (vertical) D = Black, plain, no rate marking E = Black, white rate marking (horizontal) F = White, red rate marking (horizontal) G = White, black rate marking (horizontal) H = Black, white rate marking (vertical) I = Red, plain, no rate marking J = Black, no rate marking on button, white rate marking on bottom of 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”x24 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”x24 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”x24 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 6 = Metal hex nut 12 = Metal knurled nut 15 = 2 metal hex nuts, metal lockwasher 18 = Metal hex nut, metal lockwasher 8. Mounting Hardware Packaging: A = Assembled to bushing 7 = Plastic knurled nut 8 = Plastic knurled nut with small hole 22 = Plastic knurled nut, metal lockwasher 99 = None B = Bulk unassembled C = No mounting hardware. 9. Maximum Operating Voltage (AC): 1 = 250VAC 2 = 125VAC/50VDC 10. Nameplate: 0 = None 1 = Embossed aluminum 11. Specify Amp Rating: 3† 4† 5 6 7 2 = Silver color printing on black color 8 10 12 15 3 = Black color printing on silver color 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. W57-XB1A4A10-5 W57-XB1A4A10-10 W57-XB1A4A10-15 W57-XB1A4A10-20 W57-XB1A5A10-5 W57-XB1A5A10-10 W57-XB1A5A10-15 W57-XB1A5A10-20 ORDERING NOTE: Mounting hardware can be ordered separately. Some options are subject to extended leadtimes and significant minimum order quantities. Mounting Bushings and Recommended Panel Cutouts .386 (9.8) .043 (1.1) .630±.005 (16±.13) .346 +.008, -.0 (8.8 +.2, -.0) .394+.008, -.0 (10.0+.2, -.0) .378 (9.6) .543±.005 (13.8±.13) .382 +.008, -.0 (9.7 +.2, -.0) .394 (10.0) Option 1 – M11 X 1.0 Thread .441+.008, -.0 (11.2+.2, -.0) .059 (1.5) .386 (9.8) .059 (1.5) .480 +.008, -.0 (12.2 +.2, -.0) .425 (10.8) Option 4 – Snap In Option .043 (1.1) .433 +.008, -.0 (11.0 +.2, -.0) .378 (9.6) Option 5 – M11 X 1.0 Thread Issued 11-08 www.tycoelectronics.com Option 2 & 6 – 3/8” - 24UNF Thread .394+.008, -.0 (10.0+.2, -.0) .378 (9.6) 2 .338 (8.6) .441+.008, -.0 (11.2+.2, -.0) .059 (1.5) .382 +.008, -.0 (9.7 +.2, -.0) .303 (7.7) .311 +.008, -.0 (7.9 +.2, -.0) .394 (10.0) Option 7 – M12 X 1.0 Thread Dimensions are in inches over (millimeters) unless otherwise specified. Dimensions are shown for reference purposes only. Specifications and availability subject to change. Option 8 – 3/8” - 24UNF Thread USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-1106-0803 South America: 55-11-2103-6000 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-8706-080208 Catalog 1308242 Issued 3-03 (PDF Revised 11-08) Termination Options .154 ± .01 (3.9 ± 0.3) .126 (3.2) Option A .250 QC Straight Option C .250 QC 45° Option D .250 QC 90° .126 (3.2) Option E .250 QC/PCB 270° .098 ± .01 (2.5 ± 0.3) .181 (4.6) Option B .250 QC 90 ° .181 (4.6) .071 (1.8) DIA. Option G .250 QC Straight (small hole) Option F or I .250 QC/PCB 270 ° Optional Bottom Marking of Rating Mounting Hardware Options A ALTERNATE TEETH TWISTED IN OPPOSITE DIRECTIONS A A 2 X .059 DIA. (1.5) B Hex Nut A 84° B Knurled Nut Option H .250 QC Straight with #8-32 Load Term. Bent 90° 56° B B Integrated Knurled Nut with Small Holes Lockwasher Mounting Hardware Dimensions Dimension Code Bushing Diameter 3/8” A M11 M12 3/8” M11 M12 B Plastic Knurled Nut Integrated Plastic Knurled Nut w/Holes Metal Knurled Nut Metal Hex Nut Lockwasher .74 (18.8) – .56 (14.2) .55 (14.0) .49 (12.5) .74 (18.8) .74 (18.8) .59 (15.0) .55 (14.0) .587 (14.9) – – .59 (15.0) .55 (14.0) .626 (15.9) .126 (3.2) – .079 (2.0) .079 (2.0) .02 (.5) .126 (3.2) .13 (3.3) .102 (2.6) .118 (3.0) .02 (.5) – – .102 (2.6) .079 (2.0) .02 (.5) Integrated Plastic Knurled Nut w/Holes Metal Knurled Nut Metal Hex Nut Lockwasher Mounting Hardware Ordering Information Mounting Bushing Material Mounting Bushing Code Plastic Knurled Nut Plastic 1 (M11) – 1423696-8 2-1423696-2 – – 2 (3/8”) – 1423696-2 – – – 5 (M11) – – 1423696-4 1423696-6 1-1423696-2 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 Metal Nameplates .854 DIA. (21.7) .945 DIA. (24.0) .016 (.4) THICK .016 (.4) THICK Embossed Aluminum Imprinted Aluminum (Either Silver on Black or Black on Silver) © 2008 by Tyco Electronics Corporation. All Rights Reserved. P&B, TE logo and Tyco Electronics are trademarks. 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. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-1106-0803 South America: 55-11-2103-6000 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-8706-080208 3