Product Features
The G20XXMT/S or SN Type 2 SPD is a modular surge protection device engineered for low and medium-voltage systems. It offers rapid response to transient surges, reliable energy absorption, and visual fault indication for easy maintenance. Constructed with flame-retardant PC housing and high-energy MOV technology, it ensures stable operation, easy DIN rail installation, and extended service life in demanding environments.
Technical Parameters
Model: G20XXMT/S or G20XXMT/SN Type 2 SPD
Rated Voltage (Un): 230/400V AC
Max Continuous Operating Voltage (Uc): 385V AC
Nominal Discharge Current (In): 20kA
Max Discharge Current (Imax): 40kA
Voltage Protection Level (Up): ≤1.5kV
Response Time: ≤25ns
Mounting: 35mm DIN rail
Material: Flame-retardant PC
Status Display: Visual indicator and remote alarm contact
| Parameter | Specification |
|---|---|
| Product Series | G20XXMT/S or SN |
| Type | Type 2 Surge Protective Device (Class II / T2 / Class C) |
| Test Standard | EN/IEC 61643-11 |
| Max Continuous Operating Voltage (Uc) | Around 275V to 385V AC |
| Nominal Discharge Current (In) | Typically 10kA to 20kA (dependent on specific model) |
| Max Discharge Current (Imax) | Up to 40kA |
| Voltage Protection Level (Up) | Normally ≤ 1.5 kV |
| Response Time | Less than 25 nanoseconds |
| Degree of Protection | IP20 |
| Operating Temperature Range | -40ºC to +80ºC |
| Features | Modular, pluggable design; suitable for TT, TN-S, and TN-C-S power supply systems |
| Installation | DIN rail mounting compliant with EN 60715 |
| Certified Standards | CE, RoHS, CB, IEC |
Application
This DIN rail Type 2 surge protector is widely applied in industrial control systems, electrical distribution panels, automation equipment, and residential or commercial power systems. It provides reliable surge suppression for electrical devices, reducing system downtime and improving safety in sensitive circuits.
Why Choose Us
We provide certified surge protection devices meeting IEC 61643-11 standards, backed by professional export experience and reliable OEM/ODM services. Our products offer consistent quality, competitive pricing, and timely global delivery, making us a trusted partner for power distribution equipment manufacturers and system integrators.
FAQ
What is the nominal discharge current of G20XXMT/S or SN surge protective devices?
The nominal discharge current is typically 5kA to 80kA (8/20 µs), depending on the specific model and pole configuration.
How does the G20XXMT/S or SN indicate its operational status?
The device uses color-coded indicators: green indicates normal operation and red indicates fault or invalid condition.
Can the surge protective device be replaced without system shutdown?
Yes, the contacts on both sides enable easy plug/unplug replacement without interrupting the system.
What voltage ratings do G20XXMT/S or SN devices support?
The devices support max continuous operating voltages ranging from 150V to 440V AC, with NPE voltage at 255V.
What standards do these devices comply with?
They comply with EN 61643-11 and IEC 61643-11 standards for surge protective devices.
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