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Surge Arresters – Type 3
NSM Protector
• Surge protection with monitoring device and disconnector
• Enhanced safety due to fault-proof Y protective circuit
• Visual operating state (green) and fault indication (red)
• With retaining ring (diameter of 60 mm) for installation
in switch boxes with a diameter of 60 mm and a depth
of 40 mm
For protecting electronic equipment against surges. Earthed socket outlet with
surge protective circuit for installation in electrical installation systems. For instal-
lation in conformity with the lightning protection zone concept at the boundaries
from 1 – 2 and higher. German utility patent.
NSM Protector: Earthed socket outlet with integrated surge protection
The devices of the NSM Protector family combine surge protection and common and differential mode protectionare typical of the devices of the
earthed socket outlet in a single device. The two-pole surge arresters are NSM Protector family. The fault-proof Y protective circuit ensures safety
specifically designed for protecting electronic consumers in final circuits. even if the phase and neutral conductor in final circuits cannot be identi-
Their very compact design incorporates the approved disconnector which fied. The integrated disconnector ensures reliability of devices and instal-
disconnects overloaded surge arresters without interrupting the supply lations. The standard green and red LEDs indicate the operating state of
circuit. The low voltage protection level as well as the comprehensive the surge protective devices.
NSM PRO 924 335 NSM PRO TW
Socket outlet with integrated surge protection for single-phase 230 V TT and TN systems.
924 335 4013364071773 04 01 03 02 122 g
141,70 €
Type NSM PRO TW
Part No. 924 335
SPD according to EN 61643-11 / IEC 61643-11 type 3 / class III
Max. continuous operating voltage (a.c.) (UC) 255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (In) 3 kA
Total discharge current (8/20 µs) [L+N-PE] (Itotal) 5 kA
Voltage protection level [L-N] / [L/N-PE] (UP) ≤ 1250 / ≤ 1500 V
Max. mains-side overcurrent protection B 16 A
Fault indication red light
Operating state indication green light
DELTA Profil line titanium white
Accessories for NSM Protector
AR1 Cover Frame
Single unit, suitable for NSM Protector.
Type AR1 TW
Surge Arresters – Type 3
924 336 AR1 TW
Part No. 924 336
Type DELTA profil, titanium white
924 336 4013364071681 04 01 03 50 13 g
7,50 €
Valid as of August 1, 2020 You will find detailed product information on our website 111