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

The 4-pole DEHNshield ZP B TT 255 combined arrester is designed for use in 230/400 V TT and TN-C-S systems. It fulfils the requirements of the VDN guideline for installation in the lower connection compartment of the meter panel in front of the electricity meter.Thanks to tool-free installation, the device can be snapped directly onto a 40 mm busbar system. It combines type 1 and type 2 protection functions in accordance with EN 61643-11 in one device and is therefore ideal for lightning and surge protection in building installations.Product features:High-performance spark gap technology for safe limitation of follow currentsMaximum continuous voltage (Uc): 255 V ACProtection level (Up): ≤ 1.5 kVLightning impulse current Iimp (10/350 µs): 30 kAFollow-up current extinguishing capacity: up to 25 kAeffEnergised in accordance with DIN EN 62305-4Integrated function indicatorCompatible with the DEHN Red/Line familyDirect device protection through coordination with terminal devices

Lightning and surge protection for residential buildings without external lightning protection - ideal for TN-C networks with overhead line feed, installation in the meter area (in front of the meter).Technical data (summary):Type 1 + 2 + 3 combined arrester, protection class I/II/IIIRated voltage: 230/400 V AC, UC: 255 V ACLightning impulse current: 22.5 kA (10/350 µs), 7.5 kA per conductorProtection level (UP): ≤ 1.5 kVMounting: Tool-free on 40 mm busbar (Click+Power)Connection: 3-pole for L1, L2, L3 - with PENDisplay: visual (green = operational, red = faulty)Dimensions: Only 38 mm wideProtection class: IP30, temperature range: -40 °C to +80 °CSpecial features:Robust spark gap technology (RAC) for high lightning current loadCoordinated with terminal device protection (≤ 10 m cable length)Completely maintenance-free, compact designNo additional back-up fuse up to 160 A gG requiredSimple, quick installation without toolsApplication recommendation:Ideal as central surge protection for TN-C supply in residential and small properties - can be used directly at the feed-in point.

Fire protection switch with integrated RCBO - TÜV certifiedMaximum safety thanks to integrated fire protection to the latest standardThe SGBR2-40AFDx, EPBR2-40AFDx and MGBR2-40AFDx series fire circuit-breakers 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