Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

· MODEL:
MDH7-275
· TYPE:
T1+T2
· Iimp:
7kA
· In/Imax:
20kA/50kA
· Conform to:
IEC/EN 61643-11,GB/T 18802.11
· Certification:
UKCA/CE/CB/TUV/ROHS/REACH/CQC
· Delivery Time:
1-100PCS within 7 days/100-1000PCS within 10 days
· Payment Terms:
L/C, T/T, Western Union, Paypal
· Supply Ability:
100000 pcs per month

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday Type   MDH7-275 MDH7-320 MDH7-385 MDH7-440
Product Description Type1+2 Surge Ptotective Device
AC Operating Voltage Un 230Vac 230Vac 230Vac 230Vac
Maximum Continuous Operating Voltage Uc 275Vac 320Vac 385Vac 440Vac
Temporary Overvoltage Test Value Ut 335Vac 335Vac 580Vac 580Vac
Temporary Overvoltage Test Value Ut 440Vac 440Vac 770Vac 770Vac
Nominal Discharge Current(8/20μs) In 20kA
Maximum Discharge Current(8/20μs) Imax 50kA
Lightning Impulse Current(10/350μs) Iimp 7kA 7kA 7kA 6.25kA
Voltage Protection Level Up ≤1.5kV ≤1.6kV ≤1.8kV ≤2.0kV
Short-circuit current rating Isccr 25kA
heat tripping device Insertion
Max. Backup Fuse 125A gL/gG
Mechanical properties 
Product size   see the photo as below
Wiring method   screw terminal 2.5-25mm²
Normal/Fault display   colourless/red
Maximum remote signal load voltage/current    250V/0.5A[AC],30V/3A[DC]
Maximum cross-sectional area of remote signal connection line   1.5mm2
Installation   35mm DIN Rail
Operating Temperature range Tu -40-+85°
 Protection level   IP20
Enclosure material   Thermoplastic material, compliant with UL94-V0

Mday's adopts fully automatic machine double-sided soldering technology   

Tripping side:
1. Automatic soldering technology for both sides, stable connection,and no false soldering.
2. Adopt chromium-free  tin material, more green and environmentally friendly.
3. Double-layer thickened copper design, high flow, more stable.
Chip side:
1. Accurate parameters, every data is exactly the same as the actual product.
2. Use high-efficiency encapsulation chip design to improve heat dissipation performance and extend service life.

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday signs partner agreement with EPCOS for next-generation surge,protective device's MOV development

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

 Wiring diagram                                                           

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

 Mday’s Product size & Packing                                              

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday Can Provide OEM Service                                                       

-Customize with your LOGO /model / specific parameters on the product
-Customize with your LOGO /model / QR code/Product Code on the stickers
-Provide free packaging design and customization services

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday’s Company Profile                                                                               

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

All accessories of Mday are independently produced, including shell, copper parts and varistor chips.Therefore, the quality and production cycle of each order can be fully guaranteed.

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday‘s test laboratory                                                             

Mday has testing equipment such as 10/350μs 40KA and 8/20μs 120KA Simulated lightning test equipment, High voltage TOV and low voltage TOV. If necessary, we can provide the parameters of each test for customers' reference. 

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Surge Protective Device Automatic Production Line                                               

Mday have 3 automatic production lines, can control the production cycle and product quality of each batch of orders.

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

certificate                                                                             

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday has 7 authoritative certifications, namely TUV,UKCA,IEC,ROHS,SVHC,CE,CB. Also,Mday took the lead in applying for the German VDE certification certificate in 2024. It is worth mentioning that this is the first certified certificate in the domestic surge protective device industry. This move demonstrates the company's outstanding strength in technological innovation in surge protective device and integrate with international standards.

Surge Protector For Entire House Best AC Surge Protector 275V 1 Phase 1NPE

Mday has participated in many exhibitions in recent years to meet new friends, establish new connections, and learn about the latest industry trends.

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