AIR CIRCUIT BREAKERS - Electrical and Electronics Division

TECHNICAL DATA - DX..H (3/4 POLE)
Type Designation DX 1000H DX 1250H DX 1600H
Rated Uninterrupted current
at 40 ° C. - Ith (AC/DC) A 1000 1250 1600
Rated impulse withstand voltage - Uimp kV 8 8 8
Rated operational voltage - Ue V 415 415 415
�requency Hz 50/60 50/60 50/60
Rated insulation voltage - Ui V 690 690 690
Operating Temperature °C -5 to +55 -5 to +55 -5 to +55
Overvoltage category / pollution degree III/3 III/3 III/3
Rated Short-circuit making capacity - Icm kA 275 275 275
Rated ultimate S.C. breaking capacity - Icu
at 690V ac kA 25 25 45
at 500V ac kA 45 45 65
at 415V ac kA 65 65 85
at 230V ac
Rated Service S.C.
kA 100 100 125
breaking capacity - Ics (of Icu) kA 75% 75% 75%
Utilisation category B B B
Rated short-time withstand current Icw (1 Sec) kA 15 (0.3 S) 15 (0.3 S) 20 (0.3 S)
Mechanical life Ops. 2500 2500 2500
Electrical life (AC3, 400V) Ops. 500 (AC1) 500 (AC1) 500 (AC1)
Release Type Electronic Electronic Electronic
Overload release setting 50-100% 50-100% 50-100%
Short Circuit release setting 2-12*In 2-12*In 2-12*In
Mechanical Shock resistance g 20 20 20
Weight (3 - Pole) kg 20.4 20.4 20.4
(4 - Pole)
Accessories
kg 26.4 26.4 26.4
Auxiliary contacts y y y
Shunt release y y y
Under voltage release y y y
Trip indicating auxiliary contacts y y y
Earth fault module y y y
Rotary operating mechanism y y y
Residual-current protection module - - -
Remote operator y y y
Withdrawable unit y y y
Side wall operator - - -
Mechanical interlock y y y
Load monitoring y y y
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