Home Improvement Equipments

40A 220V Din rail automatic reconnect over voltage and under voltage protection protective device relay with adjustable button

Home › Electrical › Circuit Breakers40A 220V Din rail ..

98.7 star rating
98.7 of 100

Poles Number
Model Number
Brand Name

31 Jul 2017

- Anonymous
30 Jul 2017
To Irkutsk was posting month! arrived in perfect condition! thank you seller!!!

- V******r S.
29 Jul 2017
The seller sent fast. the order came for 12 days. thank you seller.

- Anonymous Buyer
22 Jul 2017

- I**r B.
22 Jul 2017

- A**** S
21 Jul 2017
Thank you

- Anonymous
21 Jul 2017

- A*** B
19 Jul 2017

- Anonymous Shopper
19 Jul 2017
Good seller, I recommend

- J**o N.
15 Jul 2017

- S****y B.
13 Jul 2017

- S*****s K.
07 Jul 2017
Packaged well. it came to Karaganda for 22 days. to look good, there is no possibility to check in. as a write check further.

- S****y D.
07 Jul 2017
Thank you

- M******d A.
30 Jun 2017

- M*****e M.
30 Jun 2017

- D***s S.
29 Jun 2017
Thank you

- M***a S.
25 Jun 2017

- S****y B.
25 Jun 2017
A great thing, and complies with the delay as it should be, all exactly hysteresis 5-10 volts, works from 24 at the entrance. shipping two weeks.

- X*n K.
23 Jun 2017

- Anonymous Buyer
23 Jun 2017
Goods come in appearance is normal In not tried

- E****e B.










Under voltage and over voltage protector with adjustable button

Noted: When you first connect the product, you have to wait about 1 minute, after the red light turn off, then the product will work.

The automatic recovery over voltage and under voltage protective device complies with modular design standards. the circuit boards of products adopt good quality electronic components with reliable performance. when the power situation is unstable. It's protection function will be automatically activated. once the voltage exceeds the limited range of products, it will automatically cut off so as to protect the safely of electrical equipment and persons. The device will re-supply, when the power returns to normal.

Installing: 35mm Din rail.

Main Technical Speacification:

Rated Supply voltage AC 220V 230V
Control ciruict frequency 50/60HZ
Conventional heat current 40A
The maximum load power  7KVA
Over voltage ranage 225V~275V
Over voltage reset value Over voltage opration value*0.97
Undervoltage range 165V~215V
Undervoltage reset value Undervoltage action value*1.03
Tripping time delay 0.1s~10s
Since the start-up and automatic reset action delay time 0.3s~30s
Voltage measurement error ≤1%
The delay error ±10%+0.1s
Protection degree IP20
Pollution degree 3
Elrctrical life 100000
Mechanical life 1000000





  • 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.


       Payment method on Aliexpress Check here http://help.aliexpress.com/payment_method.htm

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

Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

Best Selling Circuit Breakers Products