Product Details
Product | 40mm diameter 40D Series 40D681K 40D621K 40D911K VDR Zinc Oxide Varistor Surge Absorption Lightning Protection |
Series | 40D Series Varistors Metal Oxide Varistor |
Feature | Fast responding to transient over-voltage |
Type | Metal Oxide Varistor, Zinc Oxide Varistor |
Resistance Tolerance | ±10% |
Operating Temperature | -40℃ to +85℃ |
Application | Surge protection, Integrated circuit protection |
Approval | ROHS |
Photos





Features
The MOV-40D Series of 40mm high Energy Metal Oxide Varistors “D” & “S” Series The High Energy Series large
tab-leaded varistors are designed to handle high peak currents and have the ability to absorb large amounts of energy. Available in round (D) and square (S) shapes to allow mounting in various spaces and in bare disc form intended for special applications requiring unique electrical contact or packaging methods provided by the customer. The electrode finish of these devices is solderable and can beused with pressure contacts. Bare Disc Products are also available for certain applications where discs of the same diameter may be stacked.
Application
* Integrated circuit protection.
* Transistor, diode, IC, thyristor or triac semiconductor protection.
* Surge protection in consumer electronics, electronic product, electronics, smart meter, telecom systems.
* Surge protection in industrial electronics.Such as generator, industrial equipment, welding machines, etc.
* Surge protection in electronic home appliances, smart home,lighting products, gas and petroleum appliances.
* Power supply, power systems, line voltage, relay and electromagnetic valve surge absorption.
* Renewable energy systems, photovoltaic industry, SPD solar system, lighting protection, telecommunications
medical equipment, telephone system, etc.
Related types of varistors

FAQ
1Q:What can I do if I got a broken product from DONGGUAN TIANRUI?
A:First of all please tell us as soon as possible after we send a new one to you immediately but please send the broken product to us.You don't have to worry about the carriage charge we will pay for that.
2Q:Are we a trader or manufacturer?
A:Both
3Q:Why do you have choose us?
A:High quality. Competive price. Fast shipping.
4Q:What is approval?
A:ROHS/UL of 40mm diameter 40D Series 40D681K 40D621K 40D911K VDR Zinc Oxide Varistor Surge Absorption Lightning Protection
Contact
Bonnie Chan
E-mail:admin@tianrui-fuse.com.cn
Whatsapp:+86-137 127 58342
Mobile:+86-180 2522 7727
Wechat:fusechina
Wechat:halobee9
Skype: tianruifuse05
Company Profile
- Founded in 1999, we have been focused on manufacturing
over-current, over-temperature and other circuit protection
components.
- Our main products include fuses, fuse holders, thermal switches,
circuit breakers and temperature sensors, which are widely used in
various kinds of electronic devices, such as consumer electronics,
mobile terminals, household appliances, lighting appliances, power
supplies, adapters, automobile and marine applications. We have
acquired ISO9001/UL/cUL/VDE/CCC/CQC safety certificates.
- After serving our valuable clients in China market over 20 years,
we have become one of the leading suppliers of circuit protection
components.



1999 REOMAX Electronics(HK) was founded.
2003 REOMAX factory was founded
2007 IS0 9001 approved
2009 Name changed to Dongguan Reomax
2011 CQC、CCC、UL、cUL and VDE were certified.
2011 Member of CEEIA
2012 VDE certified
2012 Fuse patents were acquired
2013 PSE and KC approved
2014 REOMAX trademark applied
2014 1206/0603/2410/6125 fuses were developed
2015 Fully automatic machines were put into production。
2016 Testing machines were improved
2017 High voltage and high current testing machines were put into
use. XR inscpention euqippemnt was brought in.
2018 6125 1808 2410 were certified by CQC and KC
2019 6125 was certified by VDE
2019 1032 and 1245 were certified by UL
2020 Square fuses of high current and high voltage were certified
by TUV.