protect / residual current operated circuit-breakers with integral overcurrent protection (RCBOs)

Residual current operated circuit-breaker with integral overcurrent protection, one-pole+N, 25 A, 0.3 A, B-characteristic, Type B, short-time delayed

AC/DC sensitive residual current circuit-breakers with overcurrent protection (RCBOs) for detecting AC residual currents and pulsating and smooth DC residual currents
sensitive to residual currents and mixed frequencies from 0 Hz to 150 kHz
suitable for retro-fitting of additional equipment

Tripping characteristic: B
Residual current type: B
Tripping characteristic curve: NK
Rated residual current I&Delta;n: 0.3 A

short-time delayed (lightning-resistant)
Neutral conductor position: right
Module widths: 2.5

load circuit (load disconnect contact):
Number of poles (total): 2
Rated voltage (AC): 230 V
Rated current AC (typ.): 25 A 
Rated frequency: 50 Hz
max. Total rated switching capacity: 6 kA
Rated insulation voltage: 440 V

screw-type terminal top, bottom (load circuit):
Cross section solid: 1-wire: 1 mm² ... 35 mm²; 2-wire: 1 mm² ... 10 mm²
Cross section stranded: 1-wire: 1 mm² ... 25 mm²; 2-wire: 1 mm² ... 10 mm²
Connecting capacity flexible: 1-wire: 1 mm² ... 25 mm²; 2-wire: 1 mm² ... 10 mm²
 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 44 mm (2.5 MW (module width)) × H 91 mm × D 73.5 mm

Certifications: VDE
Design requirements/Standards: VDE 0664-20, VDE 0664-40, VDE 0664-401, EN 61009-1, EN 62423, ÖVE/ÖNORM E 8601

Factory: Doepke or similar
Item designation: DRCBO 4 B25/0,30/1N-B NK
Order number: 09949216
selected make/type: ___________/___________