February 28, 2025
No Comments
Read More » 
T1+T2 275V 385V AC SPD MD1-C40
MOREDAY MD1 ac surge protector 275V 385V type1+type2 surge protective devices spd.
- T1+T2 275V 385V ac spd for ac application
- According to IEC 61643-11
- Type 1+2/ class I+II / class B+C
- Protective elements: metal oxide varistor (MOV), gas discharge tube (GDT)
- RoHS material
Stable Deliivery Time
Technical Support
2 Years
MOREDAY MD1-C40 Series: Type 1 +2 AC Multi-Polar Surge Protector
When your operations hinge on reliable delivery of electricity, the T1+T2 AC SPD (Multi Polar Surge Protector) MD1-C40 Series from Moreday ensures that surges do not disrupt your business momentum. Designed for main distribution boards and network systems including TN-S and TN-C, this device is your first line of defense against transient voltages, safeguarding your assets and maintaining operational continuity.
Applications
Data Centers
Protecting sensitive computer equipment from surges that can cause data loss and expensive hardware damage.
Industrial Facilities
Shielding complex machinery and production lines from unexpected electrical surges that can lead to costly downtime.
Healthcare Facilities
Ensuring medical equipment operates without interference from power fluctuations.
Why Choose Moreday?
Global Recognition
Exported to over 100 countries and backed by more than 30 patents, our products are a testament to our innovation and expertise in photovoltaic technologies.
Certified Excellence
With certifications like CQC, CE, CB, TUV, and ROHS, and adherence to the ISO9001 quality system, you are assured of products that meet the highest standards of quality and reliability.
Sustainable Development
At Moreday, we are driven by a vision of shared solar energy, advancing a sustainable and cost-effective future for all.
SPECIFICATION
Specification | Parameter | Parameter |
Voltage | 275V | 385V |
Nominal AC Voltage (50/60Hz) | 275V | 385V |
Maximum Continuous Operating Voltage (AC) | 275V | 385V |
Nominal Discharge Current (8/20 µs) | 20 kA | 20 kA |
Maximum Discharge Current (8/20 µs) | 50 kA | 50 kA |
Impulse Discharge Current (10/350 µs) | 7 kA | 7 kA |
Specific Energy | 12 kJ / Ω | 10 kJ / Ω |
Charge | 3.5 As | 2.5 As |
Voltage Protection Level | 1500 V | 1800 V |
Residual Current at Uc | < 0, 5 mA | < 0, 5 mA |
Response Time | < 25 ns | < 25 ns |
Back-Up Fuse (max) | 160 A gL / gG | 160 A gL / gG |
Short-Circuit Current Rating (AC) | 25 kA | 25 kA |
TOV Withstand 5s | 335 V | 335 V |
TOV 120min | 440 V | 440 V |
Operating Temperature Range | 40 ºF to +158 ºF [-40 ºC to +70 ºC] | 40 ºF to +158 ºF [-40 ºC to +70 ºC] |
Permissible Operating Humidity | 5%.-95% | 5%-95% |
Mounting | 35 mm DIN Rail, EN 60715 | 35 mm DIN Rail, EN 60715 |
Degree of Protection | IP 20 (built-in) | IP 20 (built-in) |
Housing Material | Thermoplastic: Extinguishing Degree UL 94 V-0 | Thermoplastic: Extinguishing Degree UL 94 V-0 |
Thermal Protection | Yes | Yes |
Operating State / Fault Indication | Green ok / Red defect | Green ok / Red defect |
Remote Contacts (RC) | Optional | Optional |
RC Switching Capacity | AC: 250V / 0.5 A; DC: 250V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A | AC: 250V / 0.5 A; DC: 250V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm2 (Solid) | 16 AWG (Solid) / 1.5 mm2 (Solid) |
popular questions
FAQ`s.
1. What types of network systems is the MD1-C40 suitable for?
The MD1-C40 is designed for main distribution boards operating on TN-S and TN-C network systems, making it versatile for various electrical infrastructures.
2. How does the MD1-C40 series ensure superior surge protection?
Our T1+T2 AC SPD utilizes high-energy Metal Oxide Varistors (MOVs) to effectively absorb and dissipate high surge voltages, protecting your equipment from damage and ensuring continued operation.
3. Can the surge protector modules be replaced?
Yes, the MD1-C40 T1+T2 AC SPD features a pluggable design that allows for quick and easy replacement of modules. This design ensures minimal downtime and easy maintenance, enhancing operational efficiency.
4. What certifications does the MD1-C40 hold?
The MD1-C40 series holds several prestigious certifications, including IEC 61643-11, EN 61643-11, TUV, CE, and ROHS. These certifications affirm the protector’s compliance with international safety and quality standards.
5. What is the maximum discharge current the MD1-C40 can handle?
The MD1-C40 can handle a maximum discharge current of 50kA (8/20µs), providing robust protection against severe transient voltages.
6. Is the MD1-C40 suitable for use in high-humidity environments?
Yes, the MD1-C40 can operate in environments with humidity levels ranging from 5% to 95%. Its housing and components are designed to withstand such conditions, ensuring reliable performance.
7. What are the operating temperature limits for the MD1-C40?
The MD1-C40 is built to perform reliably within a temperature range of -40 °F to +158 °F (-40 °C to +70 °C), accommodating a variety of climatic conditions.
8. How does the MD1-C40 indicate its operating state or faults?
The device features dual indicators: a green light for normal operation and a red light to indicate defects or faults. This helps in easy monitoring and maintenance.
9. What should be done if the surge protector shows a fault indicator?
If the red fault indicator lights up, it is advisable to check the connections and replace the affected module if necessary. Moreday provides comprehensive support and guidance for troubleshooting.
10. How can I ensure optimal performance of the MD1-C40?
For optimal performance, ensure that the MD1-C40 is installed according to the manufacturer’s guidelines, regularly check the integrity of connections, and replace protective elements as required.