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I received and checked through my order today and everything is as it should be.

Thanks again to you and to Acorn fire and security for a great and efficient service.


Hi Dave,

One happy customer, thanks for the assistance with this.


Dear Sirs,

Just a line to thank you for the prompt delivery of my JSB terminators which arrived at 09:00 today.


Stuart Willcock

We have just purchased a SOLO kit from yourselves and I have say we have been very impressed with the service and support provided – thank you 


Dear Sales,

Equipment arrived on the vessel at berth as arranged, thank you so much for your assistance.

Jaqueline Bernard

Thank you for your speedy service, our order arrived this morning.


Cheers Dave you're a star

Kind Regards



Thanks for all your help and excellent customer service! :-)

Kind Regards,

Ainsley Cooper

You provide a great service, you have an excellent range of products and deliver on the double. 

Here in Cork, Ireland it can be difficult to get certain brands and parts of fire alarm systems. You have been a great help. So thank you.


Hi Deborah

Thank you very much for going extra mile for me. Great!

Best Regards


Thanks Lauren,

it’s so nice to deal with a company who are so accommodating, it’s been a refreshing change for us!


Many thanks to you and your wonderful staff for your continued support throughout the year.

Much appreciated.


Hi Lauren,

The below parts have just arrived! That was very quick and efficient!

Thankyou for organising that


Both Jess & Amelia are a credit to the company and I certainly will be using them as examples of what customer service via the phone should be like.


Hi Emma

Many thanks for your quick response. Just discovered your website today but it looks excellent!

Nicola Allan

Thanks Charlotte.

I wish all suppliers where as efficient and quick as you guys.

Best Regards,

Peter Jackson


Just a quick mail to say what a brilliant service your team offer.



Please pass on my thanks to Lauren for sorting out my order yesterday, top class service yet again from your team.


Good afternoon Lauren.

Thank you for the fast response.

As ever I am very impressed with the excellent service you offer.


Again many thanks for your help and assistance.

System now fully back on line.

Andrew Kelly

Dear Lauren, very good and prompt services, thanks!

Wishing you have a Merry Christmas and a Happy New Year 2015!


Hi Dave,

The service and support from Emma and the other staff has been superb and as a new customer purchasing wise I will now be placing all orders with Acorn.

Andrew Sullivan

Thanks to Lauren for helping resolve a problem.

She was helpful, efficient, and above all pleasant.

A real asset.


Evening Dave,

We were very appreciative of Martin’s assistance during our time in Ancona.

As he would have mentioned, timing was tight but he got the job done and we got through our surveys.

Thanks to you and your team.

Captain Nicholas Smith

Dear Charlotte,

I just wanted to say thank you for the utter super swift service that I received from Acorn Fire & Security regarding my recent order.

Well done and regards,

Ian Stone

Hi Emma,

Thank you very much for all your help - excellent service!

Fiona McGregor

Thankyou so much for your assistance, I don't know how you managed to source this equipment, but I'm very glad you did. All fitted and working now!!

Med vennlig hilsen

K Larsen

Ms Deborah

We are extremely grateful and appreciative of yours and your team’s customer oriented attitude and behavior.

We look forward to further business dealings with your organization.


Hi Dave,

Many thanks for your swift reply & valued advise. (great service)




Perfect service, thank you



Acorn Fire & Security have vastly improved our business, through excellent customer service from point of order, through to rapid delivery to our Engineers in the field.

Steven Troy

Hope you have all have a wonderful Christmas and thank you to all the team for your excellent service and the help provided on this project.


Many thanks as always for the quality and speed of the service!


Hello again,

Equipment arrived on MT as arranged.......amazing.

Marios Georgiades

Hi Lauren,

Thank you very much, excellent service as usual.



Thank you so very much Emma – quite amazing to receive such a prompt and pleasant response to my enquiry.

Carol Shield

Hi Emma,

Thank you for your awesome work!

William J

You’re the best, thanks!

Have a nice weekend.

Best regards / Met vriendelijke groet


Dear Lauren,
Thank you so much and very glad to be your customer.
Juladit C.

Juladit C

Thanks for all the help

Lauren and Amelia - you are STARS.



Thanks for all your help with this last night we appreciate the service you provided to us.

Kind Regards


Thanks Lauren

I wish all suppliers got back to me as quickly as you do!

Dani Webster

Good morning Emma,

Order has been well received yesterday, I can say that we are very happy with your service.

Best regards,


Dear Hannah,

The test equipment arrived one day early, received on Tuesday; wunderbar!

Jürgen Schulz

Truly thank you for all of your help, Emma. This process was quick and painless.

David Jackson


Ashley you're like a salesman dream!!

Thanks for your help Ash.

Kindest regards,


Thank you for the support and service you provide. I look forward to working with you guys again in the new year!



Thank you all for your support on this project. We’ve worked well together in my opinion and would hope that we can do so again in the future.



Many thanks to you and Aleks it is a great help.



Hi Hannah,

Thank you very much for the quick turnaround, as this was a big ask in a short space of time. Please convey my appreciation to all involved.

Steve Sneddon

Thanks a lot,  we really appreciate professional work and good service.

We also wish you a Merry Christmas and Happy new year!



Installed these today, worked a treat.



We enjoy one of the best supplier relationships with Acorn due to the professionalism & quick response times allied with an enjoyable friendly nature of all the staff.


To all at Acorn,

On behalf of myself, and our Service staff, thankyou for your continued support, and thankyou for going the extra mile last week; our Client is now extremely satisfied!



dziękuję za doskonałą obsługę

systemu przeciwpozarowego i za wspaniale wsparcie.


Hi Dave

Just a quick note to say thanks for the advice on the replacement of the Mother board. We attended a week ago and all went smoothly, no problems since (touch wood!).


Dear Hannah,

After several weeks of trying to find these parts; you located part numbers, cost, availability and air freight within one day!

Nancy Johnson

Good Morning Emma,

I must say you are the best.  Normally I do not receive such fast replies from overseas suppliers, and that too complete with courier charges.

Have a nice day.



Hello Aleks and Dave

Many thanks firstly for the quick response.

Once again many thanks for such a great turnaround.

Dave Lewis

Tyco PSU830 Power Supply Module

Tyco PSU830 Power Supply Module


Product Code: 557.202.210

Please Contact Us for Price & Availability.

Contact Us

PSU830 Power Supply Module 

The MX PSU830 power supply module is a state-of-the-art integrated switch mode system power supply and battery charger, which can provide up to 5A external and auxiliary loop power during alarm conditions. It has a universal input allowing operation from 100 to 264Vac 50 or 60 Hz. The charging voltage is temperature compensated.

The power supply recharges the batteries within 24hr for the following timings:

  • 90hr stand by time and 15 minute alarm condition.
  • 72hr stand by time and 30 minute alarm condition.

The power supply provides full condition and fault monitoring to the system via the FIM or addressable power supply monitor module APM800. The PSU830 incorporates a booster module to provide the correct voltage levels to maximise the performance of the MX DIGITAL protocol. Fault signals (Loss of AC, Battery charger fault, Battery fault and earth fault) are provided. Battery voltage readings are also provided to the FIM and a volt free fault o/p is also provided.

Screw terminals provide 2 x 27V outputs (one with reset control) and one 5V output. The power supply is fitted in a steel cage with mounting points to allow any of the following boards to be mounted:

  • APM800 addressable power supply monitor module.
  • FB800 fuse board with 15 x 24Vdc fused spurs.
  • IOB800 input/output expansion board.
  • PTM800 power terminal module.

The MX2 PSU830 Dual PSU Kit is required to power the XLM800 pcb on 6 to 8 loop systems which require theextended loop power capability. It consists of the necessary cables & connectors to enable an additional PSU830 to be fitted to an MX2 controller.


Key Features:

  • Universal Input Voltage
  • Temperature Compensated
  • Full Fault Monitoring
  • Can drive 4 fully loaded MX digital loops
  • When used with second PSU830 and MX2 8 loop expansion kit can power 8 fully loaded MX digital loops
  • Same footprint and fixings as the PSB821
  • Replaces PSB820 and PSM820
  • Meets the requirements of EN54 part 4 amendment 2

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