protect / Residual current circuit-breakers (RCCBs)

Residual current circuit-breakers, four-pole, 40 A, 0.03 A, Type B SK, mains monitoring, N left

AC/DC sensitive residual current circuit-breakers (RCCBs) for detecting AC, pulsating and smooth DC residual currents
sensitive to residual currents and mixed frequencies from 0 Hz to 150 kHz
Integrated mains monitoring function to protect electrical consumers from overvoltage damage
doubled wiring level above and below
switch position indicator and multifunction switch toggle with the functions "on", "off" and "tripped" (centre position)
viewing window for labels

Residual current type: B
Tripping characteristic curve: SK
Rated residual current I&Delta;n: 0.03 A

short-time delayed (lightning-resistant)
Neutral conductor position: left
Module widths: 6
Number of poles (total): 4
Rated voltage (AC): 230 V, 400 V
Rated current AC (typ.): 40 A
Rated frequency: 50 Hz

Error voltage monitoring:
Display elements: Switch position indicator, active conductors, Network error indicator, Operating
Control elements: Switching knob, Residual current test button
Network fault detection: Phase failure, N conductor interruption, L and N conductor mix-up
Protective functions: Residual current protection
max. Switch-off time error voltage 20 V: 200
max. Switch-off time error voltage ≥ 50 V: 150
Trip threshold for voltage unbalance: 5 % ... 10 %
Rated residual voltage: 20
Non-trip time: 70

Screw-type terminal top and bottom (load circuit):
Cross section solid: 1-wire: 1.5 mm² ... 50 mm²; 2-wire: 1.5 mm² ... 16 mm²
Cross section stranded: 1-wire: 1.5 mm² ... 50 mm²; 2-wire: 1.5 mm² ... 16 mm²
Connecting capacity flexible: 1-wire: 1.5 mm² ... 50 mm²; 2-wire: 1.5 mm² ... 16 mm²
Cross section AWG, solid: 15 ... 1
Cross section AWG, stranded: 15 ... 1
Cross section AWG, flexible: 15 ... 1
Cross section AWG, flexible with ferrule: 15 ... 1

 Ambient temperature: min. -25 °C ... max. 40 °C

Housing type: distribution board housing
Installation type: Mounting rail (35 mm)
Protection class: IP20 (installed: IP40)
Dimensions of transformer opening: W 108 mm (6 MW (module width)) × H 85 mm × D 75 mm

Factory: Doepke or similar
Item designation: DFS 6 040-4/0,03-B SK NU
Order number: 09134899
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