Technical Information

Technical information for products supplied at ARC Components Limited with explanation of product characteristics, wiring guides, good practices and application of products.


Tuesday, 14 November 2017  |  AdrianR
What is a Battery Split Charge Relay?

  The battery split charge relay supplied at Arc Components Limited is a high load intelligent voltage sensitive relay unit fitted between batteries for an efficient way of charging a secondary battery whilst not affecting the charge performance of the primary start battery. Designed for effective management of batteries and popular with the mobile home and marine communities, where the start battery charging takes priority and once the charge level is up, the unit switches over to charge the leisure battery.

Friday, 3 November 2017  |  AdrianR
What is a Make and Break Relay Switch?

  This post covers the Make and Break switch relays covered in the range of auto electrical products at Arc Components Limited. The relays supplied in-store are configured to DIN 72552 terminal standardisation.

Friday, 3 November 2017  |  AdrianR
What is a Changeover Relay Switch?

  This post covers the changeover switch relays covered in the range of auto electrical products at Arc Components Limited. The relays supplied in-store are configured to DIN 72552 terminal standardisation.

Monday, 30 October 2017  |  AdrianR
DIN 72552 Standardisation Definition Guide

  The standardisation definition guide is presented to identify pin-out configurations on automotive electrical components available at Arc-Components.com. DIN 72552 is used by most high-end component and vehicle manufacturers when creating an automotive circuit.

Wednesday, 26 July 2017  |  AdrianR
Albright International Coil Ratings Terminology

Albright coils in their contactors are wound with Pull-in and Drop-out voltages, variations of those features can be engineered to suit particular applications. You can use this blog post in conjunction with the Arc Components Ltd Product Files to identify a solenoid contactor best suited for your application.

Sunday, 5 March 2017  |  AdrianR
Blinking Lights! What is a Flasher Unit?

  Many modern-day indicator flasher units available today can trigger a flashing circuit by pulse switching; old-style flasher units (like the tin can type) work differently and contain a bi-metallic strip. The strip is made up of two different conductive metals riveted, brazed or welded together so that when a current is passed through, the two metals expand and contract at a different rate.

Monday, 16 January 2017  |  AdrianR
Fuse Ratings Explained

 Most fuses used in automotive and domestic applications now have standardisation for fuse identification. Modern fuses now in production standardise the displayed rating to represent the "Continuous use", but in some cases, in particular glass fuses, the rating on the fuse cap can still be marked with a "Blow rating".

Sunday, 4 December 2016  |  AdrianR
12N and 12S Connector Terminal Guide

The wiring guide presents two standard style caravan and trailer towing connectors configured in their historical terminal functions, the earlier 12N (Normal) ISO 1724 for essential lighting supply and the later 12S (Supplementary) ISO 3732 for extended auxiliary functions.

Wednesday, 2 November 2016  |  AdrianR
Batteries in Series and Parallel Revisited

  A historical blog post from October 2010, revisited. The post became an important feature that tried to address bad practices, particularly within the mobile home and boating communities, highlighting the common misunderstandings of battery connectivity.

Wednesday, 2 November 2016  |  AdrianR
American Wire Gauge (AWG) to MM˛ Conversion Guide

  This post is dedicated to an acknowledgement that; in this modern world of information technology and supply chain, circumstances dictate the need to convert wire sizes into a format understandable to UK mechanical engineers for products not purchased from Arc Components Limited but still require additional fittings and components which adhere to the UK and metric standards.

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