1/4
DEHN 942405 DG MP TNS 275 FM Surge arrester Surge protection for: Switchboards 20 kA 1 pc(s)
EAN:
Part number:
Item no:
Datasheet (PDF)
Technical specifications
- Energy coordinated protection effect for the terminal (≤ 10 m) type 2 + type 3Nominal voltage AC (UN) 230 / 400 V (50 / 60 Hz)Maximum continuous voltage AC (UC) 275 V (50/60 Hz)Nominal impulse surge current (8/20 µs) (In) 20 kAMax. Surge current (8/20 µs) (Imax) 40 kACombined shock: [L-N] (UOC) 20 kVNominal load current for V-passage wiring (IL) 40 A[L-PE] / [N-PE] (UP) ≤ 1.5 / ≤ 1.5 kVProtection level [L-PE] / [N-PE] at 5 kA (UP) ≤ 1 / ≤ 1 kVMax. Network-side over current protection with V-passage wiring: 40 A gGMax. Power-side overcurrent protection with stitch wiring (double connection 2 x 10 mm²): 125 A gGShort-circuit resistance with max. line current protection: (ISCCR) 50 kAeffTOV voltage (UT) – characteristic: 335 V / 5 sec. – StrengthTOV voltage (UT) – characteristics: 440 V / 120 min. – Safe failureFunction/defect display: Green/redNumber of ports 1Connection cross-section (min.) 1.5 mm² single-coreConnection cross-section (min.) 6 mm² fine-wiredConnection cross-section: (Max.) 10 mm² single/fine-wiredConnection cross-section (min.) With wire-end sleeve 1.5 mm²Wire cross-section (max.) with wire-end sleeve 6 mm²Wire cross-section: (Max.) with wire-end sleeve without collar 10 mm²Mounting on 35 mm rail as per EN 60715Case material thermoplastic, red color, UL 94 V-0Interior installationMounting dimensions 4 TE, DIN 43880Approvals: KEMA, VDE.FM-contacts: / Contact form changerSWITCHING CAPACITY AC 250 V / 0.5 ASWITCHING CAPACITY DC 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 AConductor cross-section for FM terminals max. 1.5 mm2 single/fine strand
- Product type
Surge arrester
- Surge protection for
Switchboards
- Leakage current
20 kA
- Nominal voltage
230 V AC
400 V AC
- Pick-up time (details)
≤ 25 ns
- Operating temperature
-40 - +80 °C
IP20
- Manufacturer part #
942405
- Factory colour
Red
- Standards
SPD according to EN 61643-11 / ... IEC 61643-11 Type 2 + Type 3 / Class II + Class III.
- Dim
(W x H x D) 72 x 90 x 66.3 mm
- Width
72 mm
- Height
90 mm
- Depth
66.3 mm
- Content
1 pc(s)
- UKCA
not relevant
Documents & Downloads
Datasheet
Datasheet 2734567 DEHN 942405 DG MP TNS 275 FM Surge arrester Surge protection for: Switchboards 20 kA 1 pc(s)
User & Safety Instructions
User & Safety Instructions 2734567 DEHN 942405 DG MP TNS 275 FM Surge arrester Surge protection for: Switchboards 20 kA 1 pc(s)
Description
Modular surge arrester for TN-S systems; with potential-free telecommunication contact.· Ready to connect complete unit consisting of base part and plugged protective modules· Energetically coordinated within the Red/Line product family· High leakage capacity through powerful zinc oxide varistors/spark paths· High device safety through leakage monitoring "Thermo-Dynamic Control"· Simple, tool-free change of protection module by module locking system with module unlocking key· Vibration and shock tested according to EN 60068-2· Push-in connection technology
This text is machine translated.
This text is machine translated.