Brand: DEHN
Product code: AER-01697
AC Surge Arrester - Type 2- 3 Phase (952400)
- Type 2 / class II
- 230
- 275
- 20
- 40
- 1500
Type 2 modular three-phase surge arrester for TN-S systems, 230V rated, 275V MCOV.
£140.80 inc. VAT
£117.33 exc. VAT
In stock
DEHNguard modular DG M TNS 275 FM is a three-phase surge arrester for use in TN-S earthing systems with 230V rated voltage and 275V maximum continuous operating voltage. Prewired complete unit with base part and plug-in protection modules. Features high discharge capacity using zinc oxide varistors and spark gaps with Thermo Dynamic Control monitoring. Nominal discharge current 20 kA, maximum 40 kA with voltage protection levels up to 1.5 kV. Short-circuit withstand capability 50 kArms with 125A overcurrent protection. Response time 25 ns or less. Floating remote signalling contact included. Operating temperature range -40°C to +80°C.
Specifications
Electrical
| Rated voltage AC | 230 V |
|---|---|
| MCOV L-N | 275 V |
| Voltage protection level L-PE/N-PE | 1500 V |
| Nominal discharge current | 20 kA |
| Maximum discharge current | 40 kA |
| Response time | 25 ns |
| Max. mains-side overcurrent protection | 125 A gG |
| Short-circuit withstand capability | 50 kArms |
Physical
| Modules | 3 |
|---|
Operating Conditions
| Temperature range | -40 to +80 °C |
|---|
Standards
| SPD classification | Type 2 / Class II |
|---|---|
| Applicable standards | EN 61643-11 / IEC 61643-11 |
General
| Surge Protection Type | Type 2 / class II |
|---|---|
| Surge Protection Nominal Voltage V Ac | 230 |
| Surge Protection Mcov | 275 |
| Surge Protection In | 20 |
| Surge Protection Imax | 40 |
| Surge Protection Up | 1500 |
| Surge Protection Response Time | 25 |
| Surge Protection Modules | 3 |
| Surge Protection Phases | Three-phase TN-S |
Documents and datasheets
Datasheets
DEHNguard modular DG M TNS 275 FM — Datasheet
PDF · 264 kB
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