| Type | DG M TT 275 FM |
|---|---|
| Part No. | 952 315 |
| SPD according to EN 61643-11 / IEC 61643-11 | Type 2 / Class II |
| Nominal a.c. voltage (UN) | 230 / 400 V (50 / 60 Hz) |
| Max. continuous operating a.c. voltage [L-N] (UC) | 275 V (50 / 60 Hz) |
| Max. continuous operating a.c. voltage [N-PE] (UC) | 255 V (50 / 60 Hz) |
| Nominal discharge current (8/20 µs) (In) | 20 kA |
| Max. discharge current (8/20 µs) (Imax) | 40 kA |
| Lightning impulse current (10/350 µs) [N-PE] (Iimp) | 12 kA |
| Voltage protection level [L-N] (UP) | ≤ 1.5 kV |
| Voltage protection level [L-N] at 5 kA (UP) | ≤ 1 kV |
| Voltage protection level [N-PE] (UP) | ≤ 1.5 kV |
| Follow current extinguishing capability [N-PE] (Ifi) | 100 Arms |
| Response time [L-N] (tA) | ≤ 25 ns |
| Response time [N-PE] (tA) | ≤ 100 ns |
| Max. mains-side overcurrent protection | 125 A gG |
| Short-circuit withstand capability for max. mains-side overcurrent protection (ISCCR) | 50 kArms |
| Temporary overvoltage (TOV) [L-N] (UT) – Characteristic | 335 V / 5 sec. – withstand |
| Temporary overvoltage (TOV) [L-N] (UT) – Characteristic | 440 V / 120 min. – safe failure |
| Temporary overvoltage (TOV) [N-PE] (UT) – Characteristic | 1200 V / 200 ms – withstand |
| Operating temperature range (TU) | -40 °C … +80 °C |
| Operating state / fault indication | Green / Red |
| Number of ports | 1 |
| Cross-sectional area (min.) | 1.5 mm² solid / flexible |
| Cross-sectional area (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, UL, VdS |
| Type of remote signalling contact | Changeover contact |
| a.c. switching capacity | 250 V / 0.5 A |
| d.c. switching capacity | 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 |
| Weight | 415 g |
| Customs tariff number | 85363030 |
| GTIN | 4013364108486 |
| PU | 1 pc(s) |
₨48,000.00
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The DEHNguard® modular DG M TT 275 FM is a prewired complete unit consisting of a base part and plug-in protection modules. This modular surge arrester is designed for use in TT and TN-S systems using a “3+1” circuit configuration. It includes a floating remote signalling contact for added convenience.
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