TE CONNECTIVITY W58 Series P&B Push To Reset Only Thermal Circuit Breaker Owner’s Manual

TE CONNECTIVITY W58 Series P&B Push To Reset Only Thermal Circuit Breaker

Product Information

The W58 series is a push-to-reset thermal circuit breaker that is designed to provide supplementary protection. It is recognized by UL 1077 and accepted by CSA as an appliance component protector. The circuit breaker meets the ignition protection requirements according to UL 1500. The W58 series is available in various current ratings ranging from 0.5 amps to 30 amps. It has a maximum resistance in ohms that varies depending on the current rating. The dielectric strength of the circuit breaker is over 1,500 volts RMS, and it has maximum operating voltages of 50VDC and 250VAC. The interrupt capacity is 2,000 amps at 50VDC for 0.5 – 30 amp models and 1,000 amps at 250VAC for 0.5 – 30 amp models. The circuit breaker has a resettable overload capacity of ten times the rated current. In terms of mechanical and environmental data, the circuit breaker can withstand shocks up to 10g, endurance cycling of over 1,000 cycles at 200% of rated load, and vibrations up to 10g at 10-55 Hz. It weighs less than 1 1/2 oz (42.5g).

Product Usage Instructions

1. Before selecting a product part number, thoroughly review the technical data provided.
2. Seek out the approvals files of the relevant agencies/laboratories and review them to confirm that the product meets the requirements for your specific application.
3. Choose the appropriate current rating for your application based on the available options: 0.5A, 1A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A, 12A, 15A, 20A, 25A, or 30A.
4. Take note of the maximum resistance in ohms corresponding to the chosen current rating.
5. Ensure that the maximum operating voltages of the circuit breaker (50VDC and 250VAC) are compatible with your application.
6. Verify that the interrupt capacity of the circuit breaker meets your requirements: 2,000 amps at 50VDC (0.5 – 30 amp models) and 1,000 amps at 250VAC (0.5 – 30 amp models).
7. Consider the resettable overload capacity of ten times the rated current when determining if the circuit breaker is suitable for your application.
8. Install the circuit breaker in a suitable location within your system.
9. Refer to the ambient compensation chart to determine the compensated rating based on the ambient temperature and apply it to calculate overloads using the published trip curve.

Features

• 0.5 amp to 30 amp ratings.
• Cannot be manually tripped.
• Button extends for visual trip indication.
• Push button to reset breaker.
• Termination is screw or .250” QC.
• Bottom marked amperage rating optionally available.

Agency Approvals
W58 Series is UL 1077 Recognized as Supplementary Protectors, File 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.

Electrical Data @ +25°C

Calibration: Breaker will continuously carry 100% of rated load. It may trip between 101% and 145% of rated load, but must trip at 145% at 25°C.
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.

Maximum Resistance vs. Current Rating @ +25°C

Current Rating in Amps| Maximum Resistance in Ohms| Current Rating in Amps| Maximum Resistance in Ohms
---|---|---|---
0.5| 5.0| 8| 0.020
1| 1.35| 9| 0.020
2| 0.32| 10| 0.014
3| 0.18| 12| 0.010
4| 0.10| 15| 0.010
5| 0.026| 20| 0.005
6| 0.026| 25| 0.006
7| 0.020| 30*| 0.004

*No UL/CSA

Mechanical/Environmental Data

Shock: Withstands to 10g.
Endurance Cycling: Over 1,000 cycles at 200% of rated load.
Vibration: Withstands to 10g at 10-55 Hz.
Weight: Less than 1 1/2 oz. (42.5g).

Time vs. Current Trip Curve @ +25°C

Ambient Compensation Chart

To use this chart: Read up from the ambient temperature to the curve, and across to find a correction factor. Multiply 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.

Ordering Information

Outline Dimensions

Terminal Options

Mounting Hardware

Mounting Hardware Dimensions

Dimension| Metal Hex Nut| Metal Knurled Nut| Plastic Knurled Nut| Metal Lockwasher
---|---|---|---|---

A.

| 3/8”| .556 (14.12)| .562 (14.27)| .74 (18.8)| .562 (14.27)
7/16”| .625 (15.88)| .625 (15.88)| –| .540 (13.72)
15/32”| .556 (14.12)| .625 (15.88)| –| .600 (15.24)

B.

| 3/8”| .085 (2.16)| .078 (1.98)| .126 (3.2)| .018 (.457)
7/16”| .111 (2.82)| .125 (3.18)| –| .022 (.559)
15/32”| .078 (1.98)| .125 (3.18)| –| .018 (.457)

Mounting Hardware Ordering Information

Mounting Bushing Code| Metal Knurled Nut| Plastic Knurled Nut| Metal Hex Nut| Metal Lock Washer
---|---|---|---|---
1| 55-010A| –| 55-011A| 88-021B
4| •| –| 55-001B| 88-002A
6| 55-008A| –| 55-001D| 88-006K
7| 55-008A| 1423696-2| 55-001D| 88-006K

55-010B (silver) 55-010E (black)

Mounting Bushing

Optional Protective Boot
Silicone rubber boot is bonded to integral alumimum nut.

Optional Bottom Marking of Rating
This is available on a special order basis. Consult factory for details.

Disclaimer:
While Tyco Electronics and its affiliates referenced herein have made every reasonable effort to ensure the accuracy of the information contained in this document, Tyco Electronics cannot assure that this information is error free. For this reason, Tyco Electronics does not make any representation or offer any guarantee that such information is accurate, correct, reliable or current. Tyco Electronics reserves the right to make any adjustments to the information at any time. Tyco Electronics expressly disclaims any implied warranty regarding the information contained herein, including, but not limited to, the implied warranties of merchantability or fitness for a particular purpose. Tyco Electronics‘ only obligations are those stated in Tyco Electronics’ Standard Terms and Conditions of Sale. Tyco Electronics will in no case be liable for any incidental, indirect or consequential damages arising from or in connection with, including, but not limited to, the sale, resale, use or misuse of its products. Users should rely on their own judgment to evaluate the suitability of a product for a certain purpose and test each product for its intended application.
In case of any potential ambiguities or questions, please don’t hesitate to contact us for clarification.

© 2010 by Tyco Electronics Corporation. All Rights Reserved.
P&B, Potter & Brumfield, TE (logo) and Tyco Electronics are trademarks of the Tyco Electronics group of companies and its licensors.

Revised 5-10
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

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