SKU: 48257948795

Thor DRM750 – RIPPLE FILTER

Sale price$269.98 Regular price$299.98
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Description

Thor DRM750 – RIPPLE FILTERWHAT IS A RIPPLE? The low level signal voltages or ripple control signals injected into the distribution network at various frequencies are used to control off peak appliances. Mains signalling is also referred to as ripple control signals. The signals are commonly used to switch the metering for hot water and heating systems. Generally, the power utility will use a specifc frequency for a Suburb and a different frequency for a neighbouring Suburb.

WHAT IS A RIPPLE?

The low-level signal voltages or ripple control signals injected into the distribution network at various frequencies are used to control off-peak appliances. Mains signalling is also referred to as ripple control signals. The signals are commonly used to switch the metering for hot water and heating systems. Generally, the power utility will use a specifc frequency for a Suburb and a different frequency for a neighbouring Suburb.

The two most common frequencies are 1050Hz and 750Hz. The DRM1050 and DRM750 are filters designed to reduce or eliminate the effects of mains signalling that some power utilities generate.

Technical Smarts

  • Product Dimensions: 105mm(W) x 96mm(H) x 60mm(D)
  • Supply voltage 230V/240V AC 50Hz
  • Maximum current rating 10amps
  • Operating Conditions Indoor/AC Mains
  • Operating Temperatures -10C/+60C
  • Enclosure - Wide din rail 105mm
  • Model No. DRM750 10A

Did you know?

Signalling only used to be an issue at specific times of the day and usually only for a few minutes at a time. The use of the Ripple Signal has expanded to load shedding, controlling street-lights, air-conditioners and other similar equipment that are now required to meet new standards so equipment controlled by Ripple Control Signals is becoming more common. Signalling can be more evident from early am to late pm. So basically anytime of day or Night.

WHAT DOES THE DRM1050 AND DRM750 RIPPLE FILTER DO?

DRM1050 is a Din Rail Mount, 10A 230/240V Filter custom designed to specifically reduce or cancel the effects of the 1050Hz ripple frequency. The DRM750Hz is a Din Rail Mount, 10A 230/240V Filter custom designed to specifically reduce or cancel the effects of the DRM750Hz ripple frequency.

On some Phase Cut Dimmer modules the Thor Ripple filter can provide improvements to Dimming Range, Cold Start Values, Dimming Curve and improve the overall reliability and consistency of the performance of the dimming on your LED lights.

One of the challenges with the inclusion of a ripple filter is that each site is unique and different. The mains supply is affected by distance from sub stations, voltage, load and the variation of connected electrical equipment can all contribute to changing the effects of the mains signalling. This means one site may experience 100% elimination while another in the same or neighbouring Suburb may get only a partial improvement. This is not a fault of the filter but rather the result of all the other contributing variables involved.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48257948795

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4.0 ★★★★★
Based on 14 reviews
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A
Verified Purchase
Alan M.
Carnegie, US
★★★★★ 5
Good fit, looks good
Size: For BMW E46 2002-2005
Easy to install in a few minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2025
A
Verified Purchase
afireinside1988
Cuba, US
★★★★★ 5
Excellent fit and finish for the money. Just buy them.
Size: For BMW E46 2002-2005, Size: For BMW E46 2002-2005
Perfect fit. These grilles were better quality than the price would suggest. Easy to install, not brittle, and fit very snug. I’m not sure why there are so many negative reviews for these. I was fairly rough with the first one I installed and it didn’t crack. They look great. For a purist with excess money lying around, sure, go with genuine BMW. For a daily driver, you’d never know the difference aside from the black finish. Save the money spent on these over the OEM BMW and use it for something else. Below need not be read unless you like long winded car resurrection stories... The back story on the car for those who might wanna talk trash about its condition: I bought this ‘01 330xi from a buddy who really beat the car up. I’ve had to replace the entire front end and am in the process of painting the car. I had to source a hood at my local pick ‘n pull due to low funds because I bought a new house recently. The hood I found at the parts yard was for an ‘04 e46 (post facelift). Hood fits just fine and the grilles are perfect. Don’t hesitate to buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2020
D
Verified Purchase
Daniel Bremer
Los Angeles, US
★★★★★ 5
e46 Sedan Black Kidney Grill: Good fit with a better attachment mechanism than stock!
Size: For BMW E46 1998-2001
These kidney grill replacements were for a e46 sedan (323i). They fit really well. They come with a different type of attachment mechanism than other types I've used in the past: These have 'posts' with a slight groove that you gently pry into place against the hood's mounting tabs. It's a solid holding mechanism - much better than the tab-types I've seen in the past. These do not wiggle around, and feel very solid once mounted. They DID require a bit of fitting with a dremel where the hood release latch is mounted to the hood. I had to cut back about half-an-inch of the inner 'shell' of the grill so it didn't interfere with the latch when you pull 'up' on it to release the hood. Based on having an e46 sedan for 16+ years, and having replaced the kidney grills several times, I'm quite fine with a little bit of modification for a good fit. I like these quite a bit better than other aftermarket types, and even the OEM BMW grills. The price is good, and mounting is solid. I liked them so much, I purchased a second set for my son's 323i right after putting them on one of my 323i's. I plan on getting a set for a 325Ci one that car needs replacements.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2021
J
Verified Purchase
Jean Colon
Chelsea, US
★★★★★ 5
They fit super snug and the quality is way better than price suggests.
Size: For BMW E46 2002-2005
They came in wrapped very well in foam and bubble wrap. They felt sturdy and the matte finish was satisfactory. They needed quite some pressure to snap in but when they did you could tell they weren’t going anywhere. The fitment is perfect and it looks great. If the stubs in the car where the grille clips attach are in tact you shouldn’t have a problem. Don’t be discouraged by the negative reviews.
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Reviewed in the United States on January 30, 2024
W
Verified Purchase
W. Biggs
Natrona Heights, US
★★★★★ 4
Good value for the money
Size: For BMW E46 2002-2005
The matte is flawless and looks pristine & super easy to install. It does fit and it’s a good enough fit for a daily driver; however, it’s not a flawless fit. It’s off by maybe a 1/16th on the inside corners. It’s amazingly close despite the price point…would definitely recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2022

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