Why Choose the Mersen 83230123 Surge Protection Device?
The Mersen 83230123 is a high performance Type 2+3 Surge Protection Device (SPD) designed to protect low voltage electrical installations against transient overvoltages. Part of the Mersen Surge-Trap® Pluggable STPT23 Series, this device provides reliable protection for three-phase power systems used in commercial, industrial and automation environments.
This pluggable surge protection device is engineered to help protect electrical equipment from voltage spikes caused by lightning activity, switching operations and network disturbances. Its compact modular format supports straightforward DIN rail installation, while the integrated remote indication contact enables easy monitoring of end-of-life status.
With a maximum discharge current of 20 kA (8/20 μs), a 320 V AC continuous operating voltage (Uc) and a 3+0 TNC configuration, the Mersen 83230123 is well suited for distribution boards, machinery panels and industrial control systems requiring dependable surge protection.
Key Advantages
- High performance Type 2+3 surge protection device.
- 20 kA maximum discharge current for dependable transient overvoltage protection.
- 320 V AC continuous operating voltage for three-phase electrical systems.
- Remote indication contact for status monitoring.
- Pluggable modular design for simple maintenance and replacement.
- Helps protect distribution boards, control panels and sensitive electrical equipment.
Key Features
- Mersen Surge-Trap® Pluggable STPT23 Series.
- Catalogue number: STPT23-20K320V-3PM.
- Type 2+3 / Class II+III surge protection device.
- 20 kA Imax (8/20 μs).
- 10 kA nominal discharge current (In).
- 320 V AC continuous operating voltage (Uc).
- Three-pole, 3+0 TNC configuration.
- Pluggable format with remote indication.
Reliable Protection Against Transient Overvoltages
Surge protection devices help divert harmful voltage spikes away from connected equipment before they can cause insulation damage, system faults or unplanned downtime. They are essential for protecting modern electrical installations where sensitive automation, control and power equipment is used.
The Mersen STPT23 range is designed as a compact final stage of protection for low voltage installations, making it suitable for installation close to the equipment being protected in control panels, switchboards and machinery systems.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Automation and machinery systems.
- Commercial building services.
- PLC, drive and instrumentation protection.
- Three-phase TNC electrical installations.
