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Electro-magnetic type RCBO (1P+N)
Electro-magnetic type RCBO (1P+N)
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Electro-magnetic type RCBO (1P+N)

RCBO (8 series)

Residual current operated circuit breakers with integral overcurrent protection (RCBO) of 8 series provide full protection to both installation and persons, as they are able to automatically switch off the power supply in case of overload, short-circuit and earth leakage. RCBO perform the same functions as both MCB and RCCB combined in a single product. Their use is suggestable whenever it is necessary to reduce at most the available space, guaranteeing the operator’s safety and the protection of the installation and the connected equipment.

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8 series offers a complete range of RCBO. According to the wave form of the leakage current they are sensitive to, the RCBO can be classified as follows:
AC type:suitable for all electric installations which may include devices featuring a possibly sinusoidal alternate faults current.
A type: suitable where the connectable electric devices have electronic rectifiers or electronic circuits regulating the current wave form because it operates in presence of fault current either of alternate or pulsating type.


Depending on their intervention sensitivity, the RCBO can be classified as follows:
Low Sensitivity (IΔn = 0,1A - 0,3A - 0,5A): not suitable to protect from direct contacts; they are instead suitable for the indirect contacts, providing a proper coordination with the earth-circuit is made as explained on page 14.
High Sensitivity (IΔn = 0,01A - 0,03A): suitable to protect from both direct and indirect contacts.

Ordering Information

8RCB - M - 1 - 10 - 030
    |   |   |   |
    M= Electro-magnetic type   Poles:
1 module with=17.5mm
  Rated Current:
  Residual Current Sensitivity:

Parameters for magnetic type RCBO:

Model Number   8RCBM
Tripping Mode   Electro-magnetic Type
Pole No. Pole 2P = 1P + N (2 modular width)
Standard Conformity   IEC 61009-1
Tripping Characteristic   B/C
Rated Current (In) A 6, 10, 16, 20, 25, 32, 40
Sensitivity (I △ n) mA 30, 100, 300
Residual Tripping Current Range   0.5I △ n~1I △ n
Rated Voltage (Un) Vac 230/240
Rated Insulation Voltage (Ui) V 660
Rated Frequency Hz 50/60
Type   AC/A
Tripping Time S ≤0.1
Shortcircuit Withstand Capacity kA 6
Ambient Temperature oC -25 to +40
Electrical Mechanical Operation cycles 4000
Mounting   Din Rail (35 * 7.5) mm
Degree of Protection   IP 20
Terminal Capacity (max) mm2 10~16
Connection Terminals   Screw Terminals 2.0Nm
Certificate   CE


Rated Current (A) 30mA 100mA 300mA
10A 8RCBM210030 8RCBM210100 8RCBM210300
16A 8RCBM216030 8RCBM216100 8RCBM216300
20A 8RCBM220030 8RCBM220100 8RCBM220300
25A 8RCBM225030 8RCBM225100 8RCBM225300
32A 8RCBM232030 8RCBM232100 8RCBM232300
40A 8RCBM240030 8RCBM240100 8RCBM240300



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