Why Choose the Mersen STPT2-30K750V-3PM Surge Protection Device?
The Mersen STPT2-30K750V-3PM (Part Number 83020103) is a robust Type 2 surge protection device (SPD) engineered to safeguard three-phase low-voltage electrical installations against transient overvoltages caused by lightning activity and switching events. As part of the trusted Mersen Surge-Trap® Pluggable STPT2 Series, it delivers dependable surge protection for demanding industrial and commercial electrical systems.
Featuring a 30 kA maximum discharge current (Imax), 750 V AC maximum continuous operating voltage (Uc), pluggable modular construction and an integrated remote indication contact, this SPD enables quick maintenance while allowing remote monitoring of its operational status.
Designed for 690 V IT and 690 / 1000 V TNC three-phase systems with a 3+0 configuration, the STPT2-30K750V-3PM is ideal for protecting industrial automation equipment, renewable energy installations, machine control systems and critical electrical infrastructure.
Key Advantages
- Reliable Type 2 surge protection device for high-voltage three-phase installations.
- 30 kA maximum discharge current for effective transient overvoltage protection.
- 750 V AC maximum continuous operating voltage.
- Remote indication contact for external status monitoring.
- Pluggable cartridge design simplifies servicing and maintenance.
- Compact 3-pole DIN rail mounting format.
Key Features
- Mersen Surge-Trap® Pluggable STPT2 Series.
- Type 2 / Class II surge protection device.
- 30 kA Imax maximum discharge current (8/20 μs).
- 15 kA nominal discharge current (In).
- 690 V IT / 690-1000 V TNC nominal operating voltage.
- 750 V AC maximum continuous operating voltage (Uc).
- Three-phase, 3+0 TNC configuration.
- 3-pole, 3-module pluggable construction.
- Remote indication contact.
- Visual end-of-life indication.
- DIN rail mounting.
Reliable Surge Protection for High-Voltage Three-Phase Installations
Type 2 surge protection devices help protect electrical installations from transient overvoltages before they reach valuable connected equipment. This improves operational reliability, reduces unplanned downtime and extends the service life of electrical assets.
The Mersen Surge-Trap® STPT2 Series combines dependable surge protection with pluggable replaceable cartridges, remote monitoring capability and compact DIN rail installation, making it ideal for industrial switchboards and high-voltage distribution systems.
Typical Applications
- Industrial automation systems.
- High-voltage three-phase distribution boards.
- Machine control panels.
- Renewable energy installations.
- Water treatment facilities.
- Mining and heavy industry.
- Critical infrastructure electrical systems.
- 690 V IT and 690/1000 V TNC installations.
