DVDT Filter | 230/460V Motor Protection for VFD

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Rural Power Systems Inc. (RPS Water Pumps) warrants to the owner for a period of twenty-four (24) months from the date of purchase ("Warranty Period") such RPS Products will be free from material defects in material and workmanship. During the Warranty Period, RPS Water Pumps will repair or replace any defective part(s) at no cost to the owner. Learn More.

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We offer a money back guarantee that our pump systems will provide you water when sized by one of our engineers to your well, desired setup and final total dynamic pumping head. We do require static water levels, drawdown and pressure requirements are accurately estimated during the sizing process, that installation follows the instructions of RPS User Manual, and that you give RPS engineers a chance to troubleshoot any issues.

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Customer shall inspect the RPS Product within 30 days of receipt and will be deemed to have accepted the RPS Product unless you notify RPS Water Pumps of your intent to return the product. You may return the RPS Products purchased, for any reason, for a full refund up to thirty (30) days after the date of purchase. The RPS Products must be unused, in new condition, and you must pay the return shipping or return to product to RPS Water Pumps in person. For your convenience, we are happy to email printable shipping labels and deduct the cost (often a discounted rate vs. retail store rate) from your refund amount.

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As a condition of this return policy, you agree to give us the opportunity to troubleshoot the issue(s) with the RPS Product to work out any issues prior to return

Protect Your Motor From Rapid Voltage Spikes with a dVdt Filter. Ideal for AC-powered pumps with wire runs exceeding 450 ft, inverter-powered pumps, or any variable-speed drive.

Any electronic drive system, whether it's a VFD, inverter, soft starter, or power controller, works by switching electrical power on and off rapidly to control motor speed. This rapid switching creates steep voltage spikes that stress your motor's insulation from the inside out. Unlike an overheating motor that you can feel and hear, this insulation damage happens silently and invisibly. The insulation gradually wears out until one day, your motor suddenly burns out without warning. This is especially dangerous if you have an older motor, long cable runs, or any situation where motor replacement would be costly and disruptive to your operations.

A dVdt filter (also called a dv/dt filter or a motor choke) is a motor protection device that stops these voltage spikes before they have a change to damage your equipment. The device is installed between your drive and motor. Once installed, your motor's insulation stays protected from electrical stress, which prevents unexpected failures and extends your motor's lifespan significantly. You won't face the surprise of an emergency motor replacement when you need your system most.

Wether you're using it as a VFD filter, or to mitigate stress from long wire runs, we make sure that installation is a breeze. We include a full-color installation guide and live support from our US-Based team for any questions you have.

Available in sizes for 0.75 to 20 kW systems.
Core Material: Copper
Voltage: 230/460VAC
We recommend mounting this device in a weatherproof enclosure to protect it from moisture, dust, and accidental contact.
Click here for full specifications.

Select the dVdt Filter that matches the Rated Current (A) of the motor you will be using the dVdt Filter with. The Current specification for RPS Submersible Pump Motors can be found on page 4 of the RPS Submersible Pump Spec Sheet. DO NOT USE SERVICE FACTOR AMPS, CURRENT MAX, OR STARTING AMPS SPECIFICATIONS TO SIZE YOUR DVDT FILTER.

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This is especially dangerous if you have an older motor, long cable runs, or any situation where motor replacement would be costly and disruptive to your operations.\u003cbr\u003e \u003cbr\u003eA dVdt filter (also called a dv\/dt filter or a motor choke) is a motor protection device that stops these voltage spikes before they have a change to damage your equipment. The device is installed between your drive and motor. Once installed, your motor's insulation stays protected from electrical stress, which prevents unexpected failures and extends your motor's lifespan significantly. You won't face the surprise of an emergency motor replacement when you need your system most.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWether you're using it as a VFD filter, or to mitigate stress from long wire runs, we make sure that installation is a breeze. We include a full-color installation guide and live support from our US-Based team for any questions you have.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in sizes for 0.75 to 20 kW systems.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCore Material: Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVoltage: \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e230\/460VAC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWe recommend mounting this device in a weatherproof enclosure to protect it from moisture, dust, and accidental contact.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eClick \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0625\/1228\/files\/RWP_Motor_Protection_Filters_Spec_Sheet_1.pdf?v=1787353028\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cstrong\u003ehere\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e for full specifications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eSelect the dVdt Filter that matches the Rated Current (A) of the motor you will be using the dVdt Filter with. \u003cmeta charset=\"utf-8\"\u003eThe Current specification for RPS Submersible Pump Motors can be found on page 4 of \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0625\/1228\/files\/RWP_Only_RPS_WATER_PUMPS_-_ST_Series_Pump_Specifications_Pump_Curves_updated_may_2024.pdf?v=1716326593\" title=\"Spec Sheet - RPS Water Pumps\" rel=\"noopener\" target=\"_blank\"\u003ethe RPS Submersible Pump Spec Sheet\u003c\/a\u003e. DO NOT USE SERVICE FACTOR AMPS, \u003cmeta charset=\"utf-8\"\u003eCURRENT MAX, OR STARTING AMPS SPECIFICATIONS TO SIZE YOUR DVDT FILTER.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2026-08-21T16:24:19-07:00","created_at":"2026-08-10T11:41:02-07:00","vendor":"RPS Water Pumps","type":"","tags":["Parts"],"price":54999,"price_min":54999,"price_max":79999,"available":true,"price_varies":true,"compare_at_price":104599,"compare_at_price_min":104599,"compare_at_price_max":149999,"compare_at_price_varies":true,"variants":[{"id":52263699153116,"title":"10A","option1":"10A","option2":null,"option3":null,"sku":"04UDVDTF30","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DVDT Filter | 230\/460V Motor Protection for VFD - 10A","public_title":"10A","options":["10A"],"price":54999,"weight":0,"compare_at_price":104599,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":52263699218652,"title":"14A","option1":"14A","option2":null,"option3":null,"sku":"04UDVDTF75","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DVDT Filter | 230\/460V Motor Protection for VFD - 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Ideal for AC-powered pumps with wire runs exceeding 450 ft, inverter-powered pumps, or any variable-speed drive. \u003c\/p\u003e\n\u003cp\u003eAny electronic drive system, whether it's a VFD, inverter, soft starter, or power controller, works by switching electrical power on and off rapidly to control motor speed. This rapid switching creates steep voltage spikes that stress your motor's insulation from the inside out. Unlike an overheating motor that you can feel and hear, this insulation damage happens silently and invisibly. The insulation gradually wears out until one day, your motor suddenly burns out without warning. This is especially dangerous if you have an older motor, long cable runs, or any situation where motor replacement would be costly and disruptive to your operations.\u003cbr\u003e \u003cbr\u003eA dVdt filter (also called a dv\/dt filter or a motor choke) is a motor protection device that stops these voltage spikes before they have a change to damage your equipment. The device is installed between your drive and motor. Once installed, your motor's insulation stays protected from electrical stress, which prevents unexpected failures and extends your motor's lifespan significantly. You won't face the surprise of an emergency motor replacement when you need your system most.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eWether you're using it as a VFD filter, or to mitigate stress from long wire runs, we make sure that installation is a breeze. We include a full-color installation guide and live support from our US-Based team for any questions you have.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in sizes for 0.75 to 20 kW systems.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCore Material: Copper\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVoltage: \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e230\/460VAC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWe recommend mounting this device in a weatherproof enclosure to protect it from moisture, dust, and accidental contact.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eClick \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0625\/1228\/files\/RWP_Motor_Protection_Filters_Spec_Sheet_1.pdf?v=1787353028\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cstrong\u003ehere\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e for full specifications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eSelect the dVdt Filter that matches the Rated Current (A) of the motor you will be using the dVdt Filter with. \u003cmeta charset=\"utf-8\"\u003eThe Current specification for RPS Submersible Pump Motors can be found on page 4 of \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/0625\/1228\/files\/RWP_Only_RPS_WATER_PUMPS_-_ST_Series_Pump_Specifications_Pump_Curves_updated_may_2024.pdf?v=1716326593\" title=\"Spec Sheet - RPS Water Pumps\" rel=\"noopener\" target=\"_blank\"\u003ethe RPS Submersible Pump Spec Sheet\u003c\/a\u003e. DO NOT USE SERVICE FACTOR AMPS, \u003cmeta charset=\"utf-8\"\u003eCURRENT MAX, OR STARTING AMPS SPECIFICATIONS TO SIZE YOUR DVDT FILTER.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e"}