5-1423364-6

Catalog 1308242 Issued 3-03 (PDF Revised 11-08) 

## W57 series 

## **Compact, Push To Reset Only P&B Thermal Circuit Breaker** 

## **Features** 

- New, compact design. 

- 3 to 20 amp ratings. 

- Cannot be manually tripped. 

- Button extends for visual trip indication. 

**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. 

- 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**<br>**Rating**<br>**in Amps**|**Typical**<br>**Resistance**<br>**in Ohms**|**Current**<br>**Rating**<br>**in Amps**|**Typical**<br>**Resistance**<br>**in Ohms**|
|---|---|---|---|
|3.0<br>4.0<br>5.0<br>6.0<br>7.0|0.083<br>0.062<br>0.050<br>0.042<br>0.036|8.0<br>10.0<br>12.0<br>15.0<br>20.0|0.031<br>0.025<br>0.021<br>0.017<br>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** 

**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). 

**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). 

## **Time vs. Current Trip Curve @ +25°C** 

## **Outline Dimensions** 

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1000 Overload Trip Times (11.8).465 (22.6).889 (11.6).457<br>900 100% No Trip<br>135% Trip in 1 hour<br>800 ET Be) | - _ 200%300% 4.0 - 40.0 Sec.1.2 - 12.0 Sec. J i=Tr / _<br>700 |) SMU Ammnii 400%500% 0.6 - 5.0 Sec.0.4 - 2.8 Sec. (29.2)1.15 (17.5).689 i: .303(7.7)<br>600% 0.3 - 1.8 Sec.<br>600 800% 0.18 - 0.9 Sec.<br>MN 1000% 0.12 - 0.7 Sec. | + —<br>500 a a SEE TERMINAL DRAWINGS 44 SEE MOUNTINGBUSHING AND<br>FOR DETAIL MOUNTING HARDWARE<br>400 .031 .102 DRAWINGS FOR DETAIL<br>LTTEE E E (.8) (2.6)<br>300<br>.575<br>200 a (14.6) aan ;<br>100135 EEea PT TTT fT |||  PPT SSL Tee a | SS | ytaA es<br>Optional Protective Boot<br>0.1 PUTIN 1 ETT 10 PI 100 PTT 1000 PET 10,000 TO Silicone rubber boot is bonded to integral alumimum nut.<br>Time In Seconds<br>Of Breaker Rating<br>Load Current As A Percent<br>**----- End of picture text -----**<br>


|**Ambient Compensation Table**<br>**Ambient**<br>**Rating Correction Factor**<br>**Temperature**<br>**in °C**<br>**3-4A Models**<br>**5-20A Models**<br>-10<br>.70<br>.77<br>0<br>.75<br>.85<br>10<br>.82<br>.90<br>20<br>.90<br>.95<br>25<br>1.00<br>1.00<br>30<br>1.10<br>1.05<br>40<br>1.25<br>1.15<br>50<br>1.61<br>1.25<br>60<br>2.15<br>1.40|**To use this chart:**Divide the breaker<br>rating by the correction factor to<br>determine the compensated rating.<br>Calculate the overloads in terms of<br>the compensated rating to use the<br>published trip curve.<br>Do not use these devices outside<br>their specified operating temperature<br>ranges.|He »)|.63 DIA.<br>(16.0)<br>.622<br>(15.8)<br>.799<br>(20.3)<br>.70 DIA.<br>(17.8)<br>-—<br>[><br>—|**1-1423696-5**<br>Black boot for W57 with<br>3/8”-24 bushing.<br>**1-1423696-6**<br>Clear boot for W57 with<br>M11 X 1.0 bushing.|
|---|---|---|---|---|



## **Ambient Compensation Table** 

USA: 1-800-522-6752 South America: 55-11-2103-6000 Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 1 Mexico: 01-800-733-8926 Japan: 81-44-844-8013 C. America: 52-55-1106-0803 UK: 44-8706-080208 

Dimensions are shown for reference purposes only. Specifications and availability subject to change. 

Issued 11-08 Dimensions are in inches over www.tycoelectronics.com (millimeters) unless otherwise specified. 

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Catalog 1308242<br>Issued 3-03 (PDF Revised 11-08)<br>**----- End of picture text -----**<br>


**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 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”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 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.** 

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W57-XB1A4A10-5 W57-XB1A4A10-15 W57-XB1A5A10-5 W57-XB1A5A10-15<br>W57-XB1A4A10-10 W57-XB1A4A10-20 W57-XB1A5A10-10 W57-XB1A5A10-20<br>ORDERING NOTE:   Mounting hardware can be ordered separately. Some options are subject to extended leadtimes and significant minimum order quantities.<br>Mounting Bushings and Recommended Panel Cutouts<br>.059 .441+.008, -.0(11.2+.2, -.0) .043 .338(8.6) .346 +.008, -.0(8.8 +.2, -.0) .630±.005(16±.13)<br>(1.5) (1.1)<br>.386 .394+.008, -.0 .382 +.008, -.0 .543±.005<br>(9.8) (10.0+.2, -.0) (9.7 +.2, -.0) (13.8±.13)<br>.378 .394<br>(9.6) (10.0)<br>Option 1 – M11 X 1.0 Thread Option 2 & 6 – 3/8” - 24UNF Thread Option 4 – Snap In Option<br>.441+.008, -.0 .480 +.008, -.0 .382 +.008, -.0<br>.059 (11.2+.2, -.0) .059 (12.2 +.2, -.0) .043 (9.7 +.2, -.0)<br>(1.5) (1.5) (1.1)<br>.386 .394+.008, -.0 .425 .433 +.008, -.0 .303 .311 +.008, -.0<br>(9.8) (10.0+.2, -.0) (10.8) (11.0 +.2, -.0) (7.7) (7.9 +.2, -.0)<br>.378 .378 .394<br>-Ip (9.6) me ~— (9.6)  * (10.0)<br>Option 5 – M11 X 1.0 Thread Option 7 – M12 X 1.0 Thread Option 8 – 3/8” - 24UNF Thread<br>Issued 11-08 Dimensions are in inches over Dimensions are shown for reference USA: 1-800-522-6752<br>www.tycoelectronics.com (millimeters) unless otherwise purposes only. Specifications and Canada: 1-905-470-4425<br>specified. availability subject to change. Mexico: 01-800-733-8926<br>**----- End of picture text -----**<br>


**ORDERING NOTE:** Mounting hardware can be ordered separately. Some options are subject to extended leadtimes and significant minimum order quantities. 

USA: 1-800-522-6752 South America: 55-11-2103-6000 Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 Mexico: 01-800-733-8926 Japan: 81-44-844-8013 C. America: 52-55-1106-0803 UK: 44-8706-080208 

2 

Catalog 1308242 Issued 3-03 (PDF Revised 11-08) 

## **Termination Options** 

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||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|TP|.126 (3.2)|Sa|.154 ± .0(3.9 ± 0.3)|1|.126 (3.2)|.181 (4.6)|Tapry|.098 ± .0(2.5 ± 0.3)|1|.181 (4.6)|.071 (1.8) DIA.|&|
|Option A|Option C|Option D|Option E|Option B|Option F or I|Option G|Option H|
|.250 QC|.250 QC|.250 QC|.250 QC/PCB|.250 QC|.250 QC/PCB|.250 QC Straight|.250 QC Straight|
|Straight|45°|90°|270°|90 °|270 °|(small hole)|with #8-32 Load|
|Term. Bent 90°|

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## **Mounting Hardware Options** 

## **Optional Bottom Marking of Rating** 

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ALTERNATE TEETH TWISTED<br>A A A IN OPPOSITE DIRECTIONS<br> 2 X .059 DIA.<br> (1.5)<br>A<br>ad B B oo 84° 56° B B<br>Knurled Nut Hex Nut Integrated Knurled Nut Lockwasher<br>with Small Holes<br>Mounting Hardware Dimensions<br>**----- End of picture text -----**<br>


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|||||||||||
|---|---|---|---|---|---|---|---|---|---|
|Dimension|Bushing|Plastic|Integrated Plastic|Metal|Metal|Lockwasher|
|Code|Diameter|Knurled Nut|Knurled Nut  w/Holes|Knurled Nut|Hex Nut|
|a|ee|3/8”|.74 (18.8)|ee|ee|–|.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)|
|SSSa|GO|
|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)|
|0ree|
|||
|Mounting Hardware Ordering Information|

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||||||||||
|---|---|---|---|---|---|---|---|---|
|Mounting Bushing|Mounting Bushing|Plastic|Integrated Plastic|Metal|Metal|Lockwasher|
|Material|Code|Knurled Nut|Knurled Nut  w/Holes|Knurled Nut|Hex Nut|
|a|se|
|Plastic|1 (M11)|–|1423696-8|2-1423696-2|–|–|
|2 (3/8”)|–|1423696-2|–|–|–|
|ee|__|_-_|5 (M11)|–|–|1423696-4|NH|1423696-6|1-1423696-2|
|es|
|Metal|6 (3/8”)|–|–|1-1423696-0|1423696-3|1-1423696-1|
|7 (M12)|–|–|1423696-5|1423696-7|1-1423696-3|
|a|
|8 (3/8”)|–|–|1-1423696-0|1423696-3|1-1423696-1|
|—|——S=S==__=—|
|||
|Nameplates|
|.854 DIA.|.945 DIA.|
|(21.7)|(24.0)|
|©ey|ea.|
|.016 (.4) THICK|.016 (.4) THICK|
|Embossed|Imprinted Aluminum|
|Aluminum|(Either Silver on Black|
|or Black on Silver)|

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© 2008 by Tyco Electronics Corporation. All Rights Reserved. P&B, TE logo and Tyco Electronics are trademarks. 

Dimensions are shown for reference purposes only. Specifications and availability subject to change. 

USA: 1-800-522-6752 South America: 55-11-2103-6000 Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 3 Mexico: 01-800-733-8926 Japan: 81-44-844-8013 C. America: 52-55-1106-0803 UK: 44-8706-080208 

Issued 11-08 Dimensions are in inches over www.tycoelectronics.com (millimeters) unless otherwise specified.