Hager wall mounting SPB420

Manufacturer: Hager
Description: Wall mounting for vertical string
Type: SPB420
Mains form DC: No
Mains form IT: No
Mains form TN: No
Mains form TN-C: No
Mains form TN-C-S: No
Mains form TN-S: Yes
Mains form TT: Yes
Mains form other: No
Number of conductors (without earth): 4
Rated leakage current (8/20): 20 kA
Max. leakage current (8/20): 40 kA
Max. continuous current AC: 415 V
Rated voltage AC: 415 V
Max. continuous voltage AC: 275 V
Max. PV voltage: 0 V
Protection level: 1.5 kV
Protection level L-N: 1.5 kV
Protection level N-PE: 1.5 kV
Short-circuit strength (Isccr): 25 kA
Integrated back-up fuse: No
Mounting type: Top-hat rail TH35
Max. conductor cross-section, rigid (single): 35 mm²
Max. conductor cross-section rigid (solid/multistranded): 35 mm²
Max. conductor cross-section flexible (fine-stranded): 35 mm
Max. conductor cross-section flexible (flexible): 25 mm²
With remote signalling contact: No
Signalling on device: Optical
Test class type 2: Yes
Protection class (IP): IP20

Further details: Surge arrester 4P T2 TNS/TT, back-up fuse up to 315A, In 20kA, Imax 40kA. Type 2 surge arrester in 3+1 circuit, for protection of three-phase TT and TN-S systems. Consisting of a fourfold base element, three protective plugs with temperature-monitored high-power varistor, and one plug as a summation current spark gap with dynamic disconnecting device. Optical defect signal on the plugs in case of overload. Connections for the active conductors from below and for earth/PE from above. Biconnect terminals for connecting round conductors and wiring bridges. Labelling option on the base element.