The DEHNguard M surge arrester, type 2 according to EN 61643-11, offers comprehensive protection for low-voltage installations. The system consists of a base part and plug-in protection modules and features the innovative thermo-dynamic control for reliable arrester monitoring. Ideal for lightning protection zone concepts at interfaces from zone 0B to 1 and higher.Features:Protection class (IP): IP20Packaging unit: 1Weight: 0.41 kgWeight unit: KGWeight reference quantity: 1Statistical goods number: 85363030Mounting type: Top-hat rail TH35Size: 4 TEProtection level: 1.5 kVMaximum continuous AC voltage: 275 VRated leakage surge current (8/20): 20 kARated AC voltage: 230 VTest class type 2: yesSignalling on the device: opticalNumber of conductors (without earth): 4Protection level N-PE: 1.5 kVMax. Max. conductor cross-section rigid (solid/multi-stranded): 35 mm²Max. Max. conductor cross-section flexible (finely stranded): 25 mm²Mains type TN-S: yesMax. Leakage surge current (8/20): 40 kAShort-circuit strength (Isccr): 50 kAMax. Overcurrent protection device stub wiring (fuse): 125 AMax. Overcurrent protection device V-wiring (fuse): 100 AVersion: for TN-S systemsBrief description: Surge arrester type 2 DEHNguard M 4-pole for TN-S systems

Surge arrester lightning protection type II, 275 V AC, 20 kA, 4-poleArticle number: SGS1-C/4-275-20The 4-pole type II surge arrester reliably protects electrical systems against transient overvoltages. It is ideal for use in three-phase TN systems (TN-C, TN-C-S, TN-S) and fulfils protection class C in accordance with IEC 61643-1 (transition LPZ1 → LPZ2).Technical data:Version: 4-pole (L1, L2, L3 + N)Voltage (Uc): 275 V ACRated leakage current (In): 20 kA (8/20 µs) per poleMax. Pulse current (Imax): 40 kA (8/20 µs) per poleProtection level (Up): typ. < 1.2 kVResponse time: < 25 nsImpulse withstand voltage (Uimp): 2.5 kV (category II)Protection class: Type II (C) according to IEC 61643-1Systems: TN-C, TN-C-S, TN-S

Fire protection switch with integrated RCBO - SGBR2 / EPBR2 / MGBR2 seriesMaximum safety thanks to integrated fire protection to the latest standardThe SGBR2-40AFDx, EPBR2-40AFDx and MGBR2-40AFDx series fire protection switches combine state-of-the-art arc fault detection (AFDD) with the protection of an RCBO (RCD/LCB combination) - for reliable protection against electrical fires, residual currents and short circuits in just one device. They reliably detect and switch off in the event of serial, parallel and earth fault arc faults - in accordance with the requirements of DIN VDE 0100-420. Product featuresAFDD integrated in RCBO (FI/LS combination)Reliably detects and switches in the event ofSerial arc faultsParallel arc faultsEarth fault arc faultsRated voltage: 230/240 V AC, 50 HzRated current: 6-40 A (depending on model)Tripping behaviour: Type B or C (short-circuit characteristic)Residual current behaviour: Type A or ACRated residual current (I∆n): 10 / 30 / 100 / 300 mANumber of poles: 1P+N or 2PInsulation voltage (Ui): 500V withstand voltage: 4.0 kVTemperature range: -25 °C to +40 °C