Range: 90 MCB Range Modular circuit breakers for circuit protection
The 90 MCB range meets any requirement for protection against overcurrent and shortcircuit, for all domestic, commercial and industrial applications. The range comprises MTC, compact miniature circuit breakers (from 2 to 32 A, curves B and C up to 10 kA) MT traditional miniature circuit breakers (from 1 to 63 A, curves B, C and D up to 25 kA) MTHP High-Power Miniature circuit breakers (from 20 to 125 A, curves C and D up to 25 kA).
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DescriptionAFFD MINIATURE CIRCUIT BREAKER
CodeAFDD
No. of poles1P+N
No. modules2
Rated current10 A
CurveC
Rated voltage230V
StandardIEC EN 62606; IEC EN 60898-1
Rated frequency (f)50/60 Hz
Breaking capacity EN 60898 230V (Icn)6000 A
Breaking capacity IEC/EN 60947-2 (Ics)6 kA
Breaking capacity IEC/EN 60947-2 230/240V (Icu)7,5 kA
Rated impulse withstand voltage (Uimp)4 kV
Insulation voltage (Ui)500 V
Overvoltage protection threshold275 V ac
Minimum operating voltage170 V ac
Can be accessorizedNo
Electrical endurance10.000
Mechanical endurance20.000
Section rigid cable25 mm²
Section flexible cable25 mm²
Rated tightening torque2,8 Nm
Operating temperature-25 ÷ 55°C (With temperatures greater than 30°C, derating of In rated current is expected)
APPLICATIONS: arc fault protection, short circuit and overload protection. CHARACTERISTICS: LED for monitoring the operating status of the AFDD.
Test button to check the correct functioning of the AFDD device.
Contact position signalling window to identify contact status (red: closed; green: open).
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