Lightning Protection Products
DEHNguard TT H LI
Product No：Pro20096410926
Product Model：DEHNguard TT H LI
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DEHNguard TT H LI
DEHNguard TT H LI Dimension drawing DG TT H230 400 LI Basic circuit diagram DG TT H230 400 LI
DG TT H LI: Multipole surge arrester with Pro-Active Thermo Control SPD monitoring device with 3-stage visual indicator for use in TT and TN-S systems (3+1 circuit)
| DG TT H230 400 LI | DG TT H230 400 LI385 | |
| SPD according to EN 61643-11 | Type 2 | Type 2 |
| SPD according to IEC 61643-1 | Class II | Class II |
| Nominal a.c. voltage | 230/400 V | 230/400 V |
| Max. continuous operating a.c. voltage [L-N] | 275 V | 385 V |
| Max. continuous operating a.c. voltage [N-PE] | 255 V | 255 V |
| Nominal discharge current (8/20 µs) [In] | 20 kA | 20 kA |
| Max. discharge current (8/20 µs) [Imax] | 65 kA | 65 kA |
| Max. discharge current (8/20 µs) [L-N] [Imax] | 65 kA | 65 kA |
| Max. discharge current (8/20 µs) [N-PE] | 65 kA | 65 kA |
| Lightning impulse current (10/350 µs) [N-PE] | 12 kA | 12 kA |
| Voltage protection level [L-N] | ≤ 1.25 kV | ≤ 1.75 kV |
| Voltage protection level [L-N] for 5 kA | ≤ 1 kV | ≤ 1.35 kV |
| Voltage protection level [N-PE] | ≤ 1.5 kV | ≤ 1.5 kV |
| Follow current extinguishing capability [N-PE] | 100 Arms | 100 Arms |
| Response time [L-N] | ≤ 25 ns | ≤ 25 ns |
| Response time [N-PE] | ≤ 100 ns | ≤ 100 ns |
| Max. mains-side overcurrent protection | 160 A gL/gG | 160 A gL/gG |
| Short circuit withstand capability for max. mains-side overcurrent protection | 20 kArms | 20 kArms |
| Temporary overvoltage (TOV) [L-N] | 335 V / 5 sec. | -- |
| Temporary overvoltage (TOV) [N-PE] | 1200 V / 200 ms | -- |
| Operating temperature range | -40°C...+55°C | -40°C...+55°C |
| Cross-sectional area (min.) | 1.5 mm2 solid/flexible | 1.5 mm2 solid/flexible |
| Cross-sectional area (max.) | 35 mm2 stranded/25 mm2 flexible | 35 mm2 stranded/25 mm2 flexible |
| For mounting on | 35 mm DIN rail acc. to EN 60715 | 35 mm DIN rail acc. to EN 60715 |
| Enclosure material | red thermoplastic, UL 94 V-0 | red thermoplastic, UL 94 V-0 |
| Degree of protection | IP 20 | IP 20 |
| Dimension | 4 mods., DIN 4 | 4 mods., DIN 4 |
| Approvals, Certifications | KEMA | KEMA |
| Type of remote signalling contact | -- | changeover contact |
| Type of remote signalling contact | -- | changeover contact |
| Switching capacity a.c. | 250 V/0.5 A | 250 V/0.5 A |
| Switching capacity d.c. | 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A | 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 | max. 1.5 mm2 solid/flexible |
| Indication of disconnector | green-yellow-red | green-yellow-red |
| PU | 1 pcs. | 1 pcs. |
| ordering information | ||
| Type | DG TT H230 400 LI | DG TT H230 400 LI385 |
| Part No. | 950 150 | 950 151 |
| Packing unit | 1 pc(s) |
