Product
Spare Parts

Since fifty years, Mersen deliver the necessary spare parts to make the maintenance, the overhauls  based on the Maintenance manual and the repair actions for your products when necessary.

Product line
Surge-Trap® Monobloc STMT23 SF Series

Mersen’s Surge Trap STMT Series features low voltage surge protective devices suitable for both AC and DC voltage applications. This series is ideal for the protection of controls, power supplies, communication systems, and other sensitive equipment. With a slim design, these DIN-rail mount SPDs are ideal for limited space applications. The series is suitable for operating voltages of 12-230 VAC and 24-365 VDC and offers an optional dry contact feature for remote monitoring.

Product
83230512 - STMT23-10K320V-SP-SF

Surge Protection Device Type 2+3, 10kA Imax (8/20), 10kV (Uoc) 1Ph+N, 12/-V, Slim, SP TT/TNS, 2 Poles, Monobloc, 1 Module, Fusebox

Product
Surge Arresters

The Mersen lightning arrester enclosures are designed to protect railway networks against disturbances incurred by lightning, in the feeding lines in the substations along the railtrack (pole enclosure) as well as in the power lines mounted on the roof (pantograph enclosure).

Product line
Surge-Trap® Pluggable STPT12 Series - AC Reinforced

Surge-Trap® Pluggable STPT12 Series - AC-Reinforced is the series of combined Type 1+2/Class I+II devices intended for discharging lightning currents (10/350 μs) and protecting against induced voltage surges (8/20 μs), in accordance with IEC/EN 61643-11 . Suitable for the AC side protection of inverters or wind turbine generators with a nominal voltage of 800 V AC. The reinforced 3+1 variant ensures safe operation where high withstand voltage peaks are required or where DC offsets are induced in AC side.

Product
83120243 - STPT12-5K680V-3P-R

Surge Protection Device Type 1+2, 5kA Iimp (10/350), 3Ph; 690V (up to 850V), 3+1 IT Reinforced (Uc 680+680V); Pluggable, 4 Modules

Product
83120244 - STPT12-5K680V-3P-RM

Surge Protection Device Type 1+2, 5kA Iimp (10/350), 3Ph; 690V (up to 850V), 3+1 IT Reinforced (Uc 680+680V); Pluggable, 4 Modules, Remote indication

Product
H1023070 - 1.002.712

NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bottom Fitting/panel Connection Screw M10 elec mon.

Product
J1023071 - 1.001.688

NH fuse-switch disconnector MULTIBLOC® Size 2 400A 4-Pole switching Bottom Fitting/panel Connection Screw M10

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