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1.0A Auto Reset Circuit Breaker

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Quoting product code: AK07H

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About this product

Overview

Product overview

  • Compact circuit breaker with auto-reset.
  • Can withstand overload but trip quickly on short circuits.
  • Suitable for voltages up to AC 250V.
  • Connections are via two solder tags 7mm long.
  • Overall dimensions: 29 x 12.5 x 6mm.

A compact circuit breaker with an auto-reset facility. Designed to withstand overload but to trip quickly on short circuits, the circuit breaker latches into an ‘off’ state under fault conditions and automatically returns to the ‘on’ state after a set period of time. If the fault condition still exists, the unit will immediately latch ‘off’ again. This process of checking the circuit will continue until the fault is cleared. This product is suitable for working at voltages up to AC 250V, and offers seven rated ‘holding-current’ values. Connections are via two solder tags 7mm long. Overall dimensions: 29 x 12.5 x 6mm.

Rated 4 out of 5 by from Auto reset I Have used this device in hand held power control circuits which could be prone to short circuit, on both occasions the circuit breaker kicked in and saved other sensitive components from over load damage.
Date published: 2014-02-15
Rated 5 out of 5 by from works fine Got one on test here rigged up to an adjustable psu. This is the 1.0A one I've got. put 1.3A through it, takes yonks to trip. 1.4A, takes a while. 1.5A, bunch of seconds. 1.6A, few seconds. 1.7A, single digit seconds. 1.8A, one or 2 seconds. 1.9A and above, pretty much straightaway. But we'll never get down to small milliseconds.
Date published: 2017-02-14
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Just bought one from one of your shops. What is not clear in the photo is that the terminals are offset and will not fit cleanly into a blade fuse holder (my thinking only). Do you sell anything which will take this circuit breaker like a fuse holder?

Asked by: Old man
The device isn't designed to go into a blade fuse holder. Full details of the item can be found here. https://maplindownloads.s3-eu-west-1.amazonaws.com/AK07-10725.pdf It would be advisable to investigate what is causing the overload rather than employ an auto reset breaker.
Answered by: Les
Date published: 2017-05-18

Do have these in 12 amp ?

Asked by: Richard
No, sorry.
Answered by: Dominic
Date published: 2017-05-14

Can this be used in a 12 volt system (car or boat use e.g.)?

Asked by: jerry
We cannot see any reason why not.
Answered by: Dominic
Date published: 2016-12-11

It says "Designed to withstand overload but to trip quickly on short circuits". So my 1 amp circuit breaker will withstand an overload of what current (1A, 1.5A, 2A etc.) before tripping? Where can I find the time / current graphs for this device?

Asked by: mark
This information is detailed in the datasheet which I have emailed to you, if anyone else would like a copy please email us on technical@maplin.co.uk
Answered by: Russell
Date published: 2016-02-19

When circuit breaker cuts out how long before the auto reset kicks in?

Asked by: Jack
The breaker will automatically break the circuit when the current overloads and the temperature rises. The device will reset as soon as the normal operating temperature is restored.
Answered by: Les
Date published: 2015-11-30

Is this product suitable to protect a 16V AC supply from a short circuit?

Asked by: Bluenun
No sorry this product does not support that.
Answered by: Billy
Date published: 2017-01-27

Hi I’m Dinesh an engineer looking for a circuit breaker which can auto reset after a set time period(eg. 3-5 mins) without human intervention. Details are as follows Voltage  - 240 V Current  - 30 – 62 A Is ur product fit to my request?

Asked by: Dinesh
I am sorry but the item in question does not support use in your intended application.
Answered by: Dominic
Date published: 2015-07-17

can this be used as a strain sensor for example in a motor mechanism if something gets trapped it trips off to prevent further damage?
Asked by: karan barber
No sorry this product does not support that.
Answered by: DH
Date published: 2015-07-17
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