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Home / Electrical / Circuit Breakers / Tyco /Tyco Circuit Breaker W58 Series
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Tyco Circuit Breaker W58 Series

61 Reviews 3 Answered Questions
From $13.50 to $27.50
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P & B Part No. AMP
Rating		 Beech Cessna Piper Part No. Price Buy
W58XC4C12A11431-201-
101		S-1360-1A,-
1L		-
11-03937
$18.50
Quantity
W58XC4C12A22431-202-
101		S-1360-2A,-
2L		-
11-03939
$20.85
Quantity
W58XC4C12A33431-203-
101		S-1360-3A,-
3L		-
11-03940
$27.50
Quantity
W58XC4C12A44431-204-
101		S-1360-4A,-
4L		-
11-04127
$23.75
Quantity
W58XC4C12A55435-205-
101		S-1360-5,-5L454668
11-03941
$25.80
Quantity
W58XC4C12A77435-207-
101		S-1360-7,-7L-
11-04128
$14.55
Quantity
W58XC4C12A1010435-210-
101		S-1360-10,-
10L		454669
11-03938
$14.55
Quantity
W58XC4C12A1515435-215-
101		S-1360-15,-
15L		454670
11-04126
$13.50
Quantity
W58XC4C12A2020435-220-
101		S-1360-20,-
202		-
11-04270
$14.80
Quantity
W58XC4C12A2525435-225-
101		S-1360-30,-
302		-
11-03895
$14.95
Quantity
W58XC4C12A3030435-230-
101		S-1360-30,-
302		-
11-04271
$13.50
Quantity
Subtotal $0.00
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Overview

These bi-metallic single pole breakers weigh less than 2 oz. and are especially suitable for homebuilt aircraft. Used as original equipment in Beech, Cessna and Piper aircraft. Maximum operating voltages: 32 VDC and 250 VAC (to 400 Hz).

Push To Reset Only Thermal Circuit Breaker
• 0.5 amp to 30 amp ratings.
• Cannot be manually tripped.
• Button extends for visual trip indication.
• Push button to reset breaker.
• 90 Degree Screw-On Terminals

Documents

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Reviews

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perfect as ordered

Stephen R Verified Purchase

TE P&B Thermal Circuit Breaker W58-XC4C12A-2
August 1, 2024

repalced with a larger spec breaker. worked fine fit fine all fine

Howard J Verified Purchase

TE Thermal Circuit Breaker W58-XC4C12A-25
June 12, 2024

Works and serves its purpose

Kalan B Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-1
April 23, 2024

Active P Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-5
April 5, 2024

Great service

Ronald M Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-5
April 4, 2024

David E Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-3
February 7, 2024

Good replacement.

Jerome T Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-20
January 23, 2024

Fit right into the 1972 Cessna 177 bus board

Scott P Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-1
December 5, 2023

John O Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-5
October 14, 2023

Rick S Verified Purchase

TE P&B Circuit Breaker W58-XC4C12A-5
September 18, 2023

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Which Tyco Circuit breakers are screw terminals, and which are .25 QC?

The Tyco Circuit breakers are .250” QC which is the standard for aviation circuit breakers.

Q: How do you tell which terminal is the load side and which side is the line side on the Tyco W58 series breakers?

This series does not have a line vs load side in regards to the terminals. Orient the switches with the amp value reading right side up.

Q: What hole size is required for the Tyco W58 breakers?

Per the specification sheet the hole size is 0.470 to 0.480 diameter.

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