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Product Features
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Application-optimised and prewired spark-gap-based type 1 and type 2 combined lightning current and surge arrester
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Compact design due to space-saving spark gap technology with a width of only 1 module / pole
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Allows compact lightning equipotential bonding including protection of terminal equipment
Delivery options
At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates.
- We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
- If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
with our best shipping prices along with your quote. - Please see our delivery page for full information
The DEHNShield TNS FM is an application-optimised and prewired combined lightning current and surge arrester for TN-S systems with a nominal voltage of 230 / 400 V (4+0 configuration); with floating remote signalling contact.
Key Features
-
Application-optimised and prewired spark-gap-based type 1 and type 2 combined lightning current and surge arrester
-
Compact design due to space-saving spark gap technology with a width of only 1 module / pole
-
Allows compact lightning equipotential bonding including protection of terminal equipment
| SPD according to EN 61643-11 / IEC 61643-11 | type 1 + type 2 / class I + class II |
| Energy coordination with terminal equipment (≤ 10 m) | type 1 + type 2 + type 3 |
| Nominal voltage (a.c.) (UN ) | 230 / 400 V (50 / 60 Hz) |
| Max. continuous operating voltage (a.c.) (UC ) | 255 V (50 / 60 Hz) |
| Lightning impulse current (10/350 µs) [L1+L2+L3+N-PE] (Itotal ) | 50 kA |
| Specific energy [L1+L2+L3+N-PE] (W/R) | 625.00 kJ/ohms |
| Lightning impulse current (10/350 µs) [L, N-PE] (Iimp ) | 12.5 kA |
| Specific energy [L,N-PE] (W/R) | 39.06 kJ/ohms |
| Nominal discharge current (8/20 µs) [L/N-PE]/[L1+L2+L3+N-PE] (In ) | 12.5 / 50 kA |
| Voltage protection level [L-PE]/[N-PE] (UP ) | ≤ 1.5 / ≤ 1.5 kV |
| Follow current extinguishing capability (a.c.) (Ifi ) | 25 kArms |
| Follow current limitation / Selectivity | no tripping of a 32 A gG fuse up to 25 kArms (prosp.) |
| Response time (tA ) | ≤ 100 ns |
| Max. mains-side overcurrent protection | 160 A gG |
| Temporary overvoltage (TOV) [L-N] (UT) – Characteristic | 440 V / 120 min. – withstand |
| Operating temperature range (TU ) | -40 °C ... +80 °C |
| Operating state / fault indication | green / red |
| Number of ports | 1 |
| Cross-sectional area (L1, L2, L3, N, PE, 9) (min.) | 1.5 mm2 solid / flexible |
| Cross-sectional area (L1, L2, L3, N, PE, 9) (max.) | 35 mm2 stranded / 25 mm2 flexible |
| For mounting on | 35 mm DIN rails acc. to EN 60715 |
| Enclosure material | thermoplastic, red, UL 94 V-0 |
| Place of installation | indoor installation |
| Degree of protection | IP 20 |
| Capacity | 4 module(s), DIN 43880 |
| Approvals | KEMA, VDE |
| Type of remote signalling contact | changeover contact |
| Switching capacity (a.c.) | 250 V / 0.5 A |
| Switching capacity (d.c.) | 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
| Cross-sectional area for remote signalling terminals | max. 1.5 mm2 solid / flexible |
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