Catalog 1308242 Issued 3-03 (PDF Rev. 5-10) W58 series P&B Push To Reset Only Thermal Circuit Breaker Features Maximum Resistance vs. Current Rating +25C 0.5 amp to 30 amp ratings. Current Maximum Current Maximum Cannot be manually tripped. Rating Resistance Rating Resistance Button extends for visual trip indication. in Amps in Ohms in Amps in Ohms Push button to reset breaker. 0.5 5.0 8 0.020 Termination is screw or .250 QC. 1 1.35 9 0.020 Bottom marked amperage rating optionally available. 2 0.32 10 0.014 3 0.18 12 0.010 4 0.10 15 0.010 5 0.026 20 0.005 Agency Approvals 6 0.026 25 0.006 7 0.020 30* 0.004 W58 Series is UL 1077 Recognized as Supplementary Protectors, File *No UL/CSA E69543 and meets Ignition Protection requirements in accordance with UL 1500. W58 Series is also CSA Accepted as Supplementary Protectors (Appliance Component Protectors), File LR15734. 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/laboratories and review them to confirm the product meets the requirements for a given application. Mechanical/Environmental Data Electrical Data +25C Shock: Withstands to 10g. Calibration: Breaker will continuously carry 100% of rated load. It may trip Endurance Cycling: Over 1,000 cycles at 200% of rated load. Vibration: Withstands to 10g at 10-55 Hz. between 101% and 145% of rated load, but must trip at 145% at 25C. Weight: Less than 1 1/2 oz. (42.5g). Dielectric Strength: Over 1,500 volts RMS. Maximum Operating Voltages: 50VDC 250VAC. Interrupt Capacity: 2,000 amps at 50VDC (0.5 - 30 amp models). 1,000 amps at 250VAC (0.5 - 30 amp models). Note: 30 amp model not UL or CSA. Resettable Overload Capacity: Ten times rated current. Time vs. Current Trip Curve +25C Ambient Compensation Chart 1000 1.40 (A) All 5-30 Amp Models (B) All 1-4 Amp Models 1.30 Overload Trip Times Overload Trip Times 900 100% No Trip 100% No Trip (A) 1.20 145% Trip in 1 hour 145% Trip in 1 hour 800 200% 6.0-30 Sec. 200% 10-45 Sec. 400% 1.6-4.5 Sec. 400% 3.0-14.0 Sec. 1.10 600% 0.60-1.7 Sec. 600% 1.4-7.0 Sec. 700 800% 0.25-0.90 Sec. 800% 0.75-4.3 Sec. 1.00 1000% 0.15-0.65 Sec. 1000% 0.50-3.4 Sec. 600 0.90 500 0.80 (B) 400 0.70 300 0.60 20 10 0 10 20 30 40 50 60 200 Ambient Temperature In Degrees Centigrade (C) 100 0 To use this chart: Read up from the ambient .1 1 10 100 1000 temperature to the curve, and across to find a correction factor. Multiply the breaker rating by the correction Time In Seconds factor to determine the compensated rating. Calculate the overloads in terms of the compensated rating to use the published trip curve. Revised 5-10 Dimensions are in inches over Dimensions are shown for reference USA: 1-800-522-6752 South America: 55-11-2103-6000 www.tycoelectronics.com (millimeters) unless otherwise purposes only. Specifications and Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 1 specified. availability subject to change. Mexico: 01-800-733-8926 Japan: 81-44-844-8013 C. America: 52-55-1106-0803 UK: 44-8706-080208 Load Current As A Percent Of Breaker Rating Correction FactorCatalog 1308242 Issued 3-03 (PDF Rev. 5-10) Ordering Information Typical Part No. >W 58 -X B1 A 4 A -5 1. Designator: W = Circuit breaker 2. Series Number: 58 = Single Pole, Push-to-Reset 3. Circuit Function: X = Series Trip 4. Button and Rate Marking: A = White, plain, no rate marking, no trip band E = White with red rate marking no trip band B = White with red rate marking, red trip band F = White with black rate marking, no trip band C = White with black rate marking, red trip band K = Black, plain, no rate marking, no trip band Note: Rate marking on the bottom of the case is available on a special order basis. Consult factory for details. 5. Mounting Bushing: 1 = Metal, 7/16 x .500 (12.70mm) long 7 = Plastic, 3/8 x .465 (11.81mm) long, round 4 = Metal, 15/32 x .300 (7.62mm) long, black 6 = Metal, 3/8 x .465 (11.81mm) long, round 6. Terminals: A = Quick connect .250 (6.35mm) straight C = 6/32 screw 90 (screws installed) D = 6/32 screw 90 (screws bulk packed) 7. Mounting Hardware: 4 = Metal, knurled nut/hex nut 7 = Plastic, knurled nut 6 = Metal, knurled nut/hex nut/lock washer 22 = Plastic knurled nut, metal lock washer 12 = Metal, knurled nut/lock washer 15 = Metal, two hex nuts/lock washer 18 = Metal, hex nut/lock washer 99 = No mtg. hardware supplied (Use C, Step 8) Note: For other hardware combinations, order separately. See mounting hardware Ordering Information table. 8. Mounting Hardware Packaging: A = Assembled to bushing B = Bulk unassembled C = No mounting hardware 9. Specify Amp Rating: 0.5 369 15 30* 14 7 10 20 25 8 12 25 *Not UL or CSA Stock Items Authorized distributors are more likely to stock the following items. W58-XB1A4A-1 W58-XB1A4A-6 W58-XB1A4A-15 W58-XC4C12A-2 W58-XC4C12A-15 W58-XB1A4A-2 W58-XB1A4A-7 W58-XB1A4A-20 W58-XC4C12A-3 W58-XC4C12A-20 W58-XB1A4A-3 W58-XB1A4A-8 W58-XB1A4A-25 W58-XC4C12A-5 W58-XC4C12A-25 W58-XB1A4A-4 W58-XB1A4A-10 W58-XB1A4A-30 W58-XC4C12A-7 W58-XC4C12A-30 W58-XB1A4A-5 W58-XB1A4A-12 W58-XC4C12A-1 W58-XC4C12A-10 Outline Dimensions Terminal Options .250 (6.35) x .032 (.81) .050 MAX. QUICK CONNECT TERMINALS .440 1.375 (1.27) (11.18) (34.93) CLOSED POSITION .415 (10.54) CODES 1 & 4 .425 .425 (10.80) .312.005 .850 1.375 (10.80) 1.375 15 (21.59) (7.92.13) (34.93) (34.93) .250 .850 (6.35) (21.59) .440 CODE 6 (11.18) A SEE TERMINAL DRAWINGS SEE MOUNTING FOR DETAIL BUSHING AND .187 MOUNTING HARDWARE DRAWINGS FOR DETAIL (4.75) .281 MAX. (7.14) OPEN POSITION .660 .312 TYP. (16.76) (7.92) BUTTON .156 C & D .85 (3.96) (21.6) 6-32 SCREW & LOCK WASHER ASSEMBLY Revised 5-10 Dimensions are in inches over Dimensions are shown for reference USA: 1-800-522-6752 South America: 55-11-2103-6000 www.tycoelectronics.com (millimeters) unless otherwise purposes only. Specifications and Canada: 1-905-470-4425 Hong Kong: 852-2735-1628 2 specified. availability subject to change. Mexico: 01-800-733-8926 Japan: 81-44-844-8013 C. America: 52-55-1106-0803 UK: 44-8706-080208