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60A 230V Din rail adjustable over voltage and under voltage protective device protector relay with over current protection

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Function: 1. Under voltage protection 210V-145V (adjustable) (default: 170V)

2. Over voltage proteciton 230V-300V (adjustable) (default: 270)

3. Over current protection 1A-63A (adjustable) (default: 40A)

4. Reconnect time (delay on time): 3s-300s (default: 30s)

5. Voltage meter

6. Ammeter

Rated voltage: 220V; Frequency: 50Hz/60HZ

Over current protection: 1A-63A (adjustable) (default: 40A)

Under-voltage action switch-off value: 210V-145V (adjustable) (default: 170V)

Over-voltage action switch-off value: 230V-300V (adjustable) (default: 270)

Reconnect time (delay on time): 3s-300s (default: 30s)

Error in real-time current, voltage : ≤5%

I. Application

Over Voltage And Under Voltage Protective Device With Auto-Reclosing Function (OUPA) is an intelligent protector integrated with overvoltage protector, under voltage protector and over-current protector. In case of over-voltage fault, under-voltage fault or over-current fault in line, this product can instantly power off to prevent electrical equipment from being burnt. The over-voltage, under-voltage and over-current values of this product can all be set up by yourself and can be adjusted on the basis of local practical condition.

II. Product features

2.1 In case of over-voltage fault, under-voltage fault or over-current fault in single phase line, the product can power off the line and can automatically restore connecting the line over a time delay after voltage of the lien is recovered to normal condition.

2.2 In case of transient over voltage in line, the product can protect the equipment from false operation.

2.3 In case that the line subjects to unstable voltage or sudden power-off and power-on due to loosened connection and other fault, the product will disconnect the line.

2.4 When fault voltage of the line reaches the peak, the product itself will not be damaged.

2.5 Voltage protection range: 0—450V for 40A; 0—600V for 50A/63A.

2.6 Impulse withstand voltage: 4KV (in compliance with safety standard for electrical appliance of category III).

III. Normal use and installation conditions

3.1 Normal use conditions

3.1.1 Ambient air temperature

Ambient air temperature shall not be more than +55℃ and not less than -20℃ and the 24h average temperature shall not be more than +35℃.

3.1.2 Altitude

Altitude of the installation place shall not exceed 2000m.

3.1.3 Atmospheric conditions Humidity

The relative air humidity at installation place shall not be more than 50% when the ambient air temperature is +40℃; Relative humidity may be high under low temperature condition. For instance, when the mean minimum temperature in the wettest month is +20℃, the mean maximum relative humidity in the month may reach 90%. Condensation produced due to temperature change shall be prevented by taking appropriate measure. Class of pollution: 3

3.2 Installation conditions

3.2.1 Protector can be vertically or horizontally mounted in cabinet. If specially required, it is necessary to make special order.

3.2.2 Protector shall be mounted in medium without risk of explosion. In the medium, there shall be no gas and conductive dust which are sufficient to corrode metal and affect insulation effect.

4.2.3 Protector shall be mounted in place that may not be invaded by rain and snow.

IV. Main technical parameters

4.1.1 Rated voltage: 220V; Frequency: 50Hz/60HZ

4.1.2 Rated current: 1A-63A (adjustable) (default: 40A)

4.1.3 Under-voltage action switch-off value: 210V-145V (adjustable) (default: 170V)

4.1.4 Over-voltage action switch-off value: 230V-300V (adjustable) (default: 270)

4.1.5 Reconnect time (delay on time): 3s-300s (default: 30s)

4.1.8 Cut off in 1s if over volatge, under voltage or over current.

4.1.9 Power consumption≤2W

4.1.10 Electrical and mechanical life≥100000 cycles

4.1.11 Boundary dimension: 81×35×60mm

4.1.12 Over-voltage and under-voltage action parameters and restoration parameters may be adjusted as required by customer.

4.1.13 This product is in over-entering and down-out mode.

4.2.1 Characteristics and time of rated action

4.2.2 Rated connecting capacity

It refers to the current that can be reliably connected and disconnected under long-term continuous working condition of the protector.

4.2.3 Rated over-current limit

V. Product setting:

5.1: Press and hold on the “set” key for 3s, entering into setting status;

5.2: When overvoltage indicator lamp lights up, set up the overvoltage value by pressing the “up” key or “down” key to increase or decrease the overvoltage value which can be 230V-300V (default: 270V).

5.3: Press the “set” key, when under-voltage indicator lamp lights up, set up the under-voltage value by pressing the “up” key or “down” key to increase or decrease the under-voltage value which can be 145V-210V, (default: 170V).

5.4: Press the “set” key, when current indicator lamp lights up, set up the over-current value by pressing the “up” key or “down” key to increase or decrease the over-current value which can be 1A-63A (adjustable) (default: 40A).

5.5: After the setting, stay for 40s before powering on.

5.6: Press the “up” key and “down” key together to restore factory setting.

VII. Usage

After being installed, the protector can be wired by user. Wherein, cross section of the wire shall be selected in accordance with standard applicable and on the basis of rated current of the protector. Pay attention to the locations of incoming and outgoing wires and the phase sequence before powering on for use.

VIII. Notes

8.1 The input and output shall be corrected connected on the basis of the product marking. (Wherein, the load current shall be less than protective current of the product. )

8.2 Neutral line N cannot be improperly connected and shall be reliably wired; otherwise, the protector may not work normally.

8.3 Before powering on, please carefully check whether the wiring is correct, whether the load matches with protective current of the product and whether the binding screw is tightened; otherwise, the product may be damaged.

8.4 After powering on the product, don’t touch any live part to avoid electric shock.

8.5 This product shall be combined with micro circuit breaker to play a role of short-circuit protection; otherwise, the product may not be able to realize load limit protection in case that input or load end of the product appears short circuit.

8.6 As the product has automatic reset function, after the product plays the role of protection and acts, it is necessary to remove the load (electric appliance) and check the circuit; otherwise the product will be frequently connected and disconnected to the load. Finally, the product or its circuit may be burnt due to frequent overload connection and disconnection for long time.



  • We Ship to Worldwide, except APO/FPO.

  • Items are shipped from China using Airmail, reach most of the countries within 10 to 20 business days.

  • Delivery time depends on destination and other factors, it may takes up to 20 business days

  • Noted: Fedex Maybe charge handling charges at your country, we are not responsible for this charges.


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Warranty and Guarantee:

  • 12 months Warranty. Buy with confidence!

  • If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.

  • If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.

  • If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee

Other Policies:

  • We are not responsible for any custom duty or import tax.

  • We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.

  • All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.

  • Serious Buyer Only! Please place bid only if you agree with all the terms

Model Number:
Brand Name:
 Voltage protector


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
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*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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