Product Description
The OOHMAGE MYCH12.5 Series DC SPD Surge Protection Device is designed to provide superior surge suppression for DC power systems, including solar photovoltaic (PV) applications, industrial DC circuits, and electrical panels. This Type 2 surge protector uses Metal Oxide Varistor (MOV) technology, offering exceptional protection against transient voltage spikes caused by lightning strikes, electrical faults, and switching operations. With a robust design and a low residual voltage, the MYCH12.5 ensures that your DC systems remain secure, even in high-stress environments.
Features：
- Surge Protection Type: Type 1+2 for comprehensive protection against both transient and impulse overvoltages
- Nominal Discharge Current (In): 20kA, providing robust protection for sensitive equipment
- Impulse Discharge Current (Iimp): 12.5kA, designed to absorb high-energy surges
- MOV Technology: Uses Metal Oxide Varistor for efficient surge energy absorption and voltage limiting
- Low Residual Voltage Design: Minimizes voltage drop during surge events, enhancing system reliability
- Pluggable Design: Ensures easy replacement and maintenance of the surge protection device
- Thermal Disconnection Device: Automatically disconnects in case of thermal overload, ensuring long-term safety
- Operating/Fault Indication: Green/Red LED indicators for easy monitoring of system status
- Remote Signal Option: Allows remote monitoring for system health and fault detection
- Mounting: 35mm DIN Rail compatible for secure installation in electrical panels
- Enclosure Material: Thermoplastic, conforming to UL94 V-0 standard for flame retardancy
- Certification: CE, TUV, UKCA, CB, IEC, RoHS, REACH, ensuring compliance with global standards
- Voltage Protection Level (Up): Ranges from ≤2.6kV to ≤5.2kV depending on the model
- Short-Circuit Current Rating: 25kA, providing high durability during surge events
- Response Time: ≤25ns, offering quick reaction to surge events for optimal protection
- Max Backup Fuse: 125A gL/gG fuse for circuit protection
Conclusion
The OOHMAGE MYCH12.5 Series DC Surge Protection Device is a high-performance surge protector designed to ensure the safety and longevity of DC electrical systems. Offering superior surge protection, fast response time, and reliable fault indication, it is the ideal choice for protecting solar PV systems, industrial DC circuits, and electrical panels from the risks of overvoltage and electrical surges. With features like MOV technology, pluggable design, and compliance with global standards, the MYCH12.5 Series provides peace of mind knowing that your systems are fully safeguarded. Whether for indoor or outdoor applications, this surge protector is built to withstand even the harshest environments, offering easy installation, durability, and high-efficiency surge suppression for your DC applications.
Parameter
Technical Data | |||||
Model | MYCH12.5-DC600 | MYCH12.5-DC800 | MYCH12.5-DC1000 | MYCH12.5-DC1200 | MYCH12.5-DC1500 |
SPD Type | Type 1+2 | ||||
Technology | MOV (Metal Oxide Varistors) | ||||
Max. continuous operating voltage [Ucpv] | 600Vdc | 800Vdc | 1000Vdc | 1200Vdc | 1500Vdc |
Nominal discharge curent(8/20us) [ln] | 20kA | ||||
Max.discharge current (8/20us) [lmax] | 50KA | ||||
Impulse Discharge Current(10/350us) [limp] | 12.5kA | ||||
Impulse Discharge Current(10/350us) [ltotal] | 25kA | ||||
Voltage Protection level [Up] | ≤2.6kV | ≤3.2kV | ≤3.8kV | ≤4.5kV | ≤5.2kV |
Short-circuit current rating [Isccr] | 25kA | ||||
Response time [tA] | ≤25ns | ||||
Thermal Disconnection Device | Insertion | ||||
Max. Backup Fuse | 125A gL/gG FUSE | ||||
Mechanical Data | |||||
SPD Type | Type 1+2 | ||||
SPD configuration | DC system | ||||
Plugable | Available | ||||
Mounting | 35mm DIN rail | ||||
Enclosure Material | Thermoplastic,conform to UL94 V-0 | ||||
0perating Temperature Range | -40°C…-80°C | ||||
Protection rating | IP20 | ||||
Normal/fault Display | Green / Red | ||||
Remote Signal | Optional | ||||
Wiring for remote signaling | Max.1.5mm solid/flexible | ||||
Max.Voltage / Current for remote signaling | 250V/0.1A;125V/0.2A;75V/0.5A | ||||
Standards | IEC/EN 61643-11,GB/T 18802.31 | ||||
Certificate | TUV,CE,UKCA,CB,IEC,RoHS,REACH,CQC | ||||
Packing Data | |||||
3Pole | 3+0/3P | ||||
Weight (1 piece) | 600g | ||||
Package Quantity | 24 PCS/CTN | ||||
CTN Size | 35.8*31*18cm | ||||
Certification
What kind of environments is the surge protector suitable for?
The surge protective devices are rated for IP20 protection, making them suitable for indoor use in environments with low exposure to dust and moisture. They can operate in temperatures from -40°C to +85°C, ensuring performance in diverse conditions.
What is the response time of the surge protective device?
The SPD offers an extremely fast response time of ≤25ns, ensuring your DC systems are protected from instantaneous surges and that the devices respond almost immediately to any surge event.
What is the installation process for the surge protective device?
The surge protectors are designed for easy installation on a 35mm DIN rail and feature screw terminal wiring for conductors between 2.5–25mm², simplifying the connection process for both industrial and residential applications.
How do the surge protectors protect against lightning strikes?
The SPD has a lightning impulse current rating of up to 12.5kA for 10/350μs, which helps protect against lightning strikes and large surges, diverting harmful currents safely away from your electrical equipment.
What is the maximum voltage the SPD can handle?
The SPD can handle a maximum continuous operating voltage of 600Vdc to 1500Vdc, making it suitable for a wide range of solar power systems and other DC applications.
What is a Type 1+2 surge protective device?
A Type 1+2 SPD provides both direct lightning strike protection (Type 1) and protection from residual and induced surges (Type 2). The OMYH9 series is designed to protect photovoltaic systems and DC electrical systems from both types of surges.
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